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February 17, 2023 NHTSA CAMPAIGN NUMBER: 23V097000
Wiring Harness Damage May Cause Loss of ABS & ESC
A loss of anti-lock brakes or electronic stability control can increase the risk of a crash.
NHTSA Campaign Number: 23V0970
Manufacturer Mercedes-Benz USA, LLC
Components ELECTRICAL SYSTEM
Potential Number of Units Affected 26,116
Summary
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2021 G550 and AMG G63 vehicles. The front axle wiring harness may chafe against an oil cooler and become damaged, which can cause a loss of anti-lock brakes (ABS) and electronic stability control (ESC).
Remedy
Dealers will inspect and either install a protective sleeve or replace the front axle wiring harness, as necessary, free of charge. Owner notification letters were mailed April 10, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA’s number for this recall is 2023030005.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Check if your Mercedes-Benz has a Recall
April 6, 2023
2023030005
Inspect Front Axle Wiring Harness
This is to notify you of the Recall Campaign Launch to inspect the front axle wiring harness on 26,116 Model Year (“MY”) 2019-2022 G-Class (463 platform) vehicles. The recall campaign will be visible on the www.safercar.gov website and may generate questions from customers.
Issue
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz
vehicles, has determined that on certain Model Year (“MY”) 2019-2022 G-Class (463 platform) vehicles, the front axle wiring harness might contact an auxiliary oil cooler and chafe. This could potentially damage the wiring harness over time. As a result, impairment of ABS and ESP functionality cannot be ruled out, which could potentially increase the risk of a crash. If the failure occurs, the driver would be made aware through an indicator lamp or warning message in the instrument cluster.
What We’re Doing
MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealership will inspect the front axle wiring harness on the affected vehicles and replace it, if necessary. After inspection if the wiring harness is not replaced a protective sleeve will be installed.
Parts
The remedy is available and can be performed. The predicted use rate for the cable tie and adhesive tape is 32%. The predicted replacement rate for the electrical wiring harness is 0.5%.
Given this notice, it is a violation of Federal law for a dealer to sell or lease any new vehicles in dealer inventory covered by this notification until the vehicle has been repaired. Once the remedy is available, the vehicles will be flagged as “OPEN” and Work Instructions will be available in NetStar VMI and Xentry Portal. Once the repair is complete the vehicle may be sold or leased.
Loaner and demonstrator vehicles may continue to be driven, but must not be retailed until repaired. As a matter of normal service process, please check for other repair measures which might be applicable to the vehicle(s).
Additionally, given this notice, it is a violation of Federal Law for car rental companies to rent new vehicles covered by this notification until the vehicle has been repaired.
Check electrical wiring harness for front axle in front right fender, rework and replace if necessary
Check/test procedure
- Remove fender liner in front right fender (AR88.10-P-1300XG).
Contrary to the work instructions in WIS, it is not necessary to remove the wheel and tire assembly!
- Unclip plug housing (A, Figure 1) and disconnect.
- Unclip line from panel edge and upper trailing arm (B and C, Figure 2).
- Remove front engine compartment lining (Figure 3).
- Unclip wiring harness from wheel arch at right trailing arm and place inwards in engine compartment (Figure 4). Hang wiring harness downwards vertically.
For V8 engines, the retaining clamp (D, Figure 5) of the circulation pump must also be removed, press circulation pump slightly to one side to access the wiring harness.
- Remove the fabric insulating tape between the cable ties (E and F, Figure 6) and check all exposed individual cables for damage.
a. If none of the individual cables in the exposed area are damaged: Carry out Work Procedure A.
b. If one or more individual cables in the exposed area are damaged: Carry out Work Procedure B.
Work Procedure A
- Freshly wrap exposed individual cables with fabric insulating tape and attach anti-chafe hose to wiring harness between the cable ties.
- Wrap the anti-chafe hose at the ends with fabric insulating tape to the wiring harness (Figure 8)
- Route wiring harness via right trailing arm into wheel arch, clip back into the retaining clips and connect (Figure 9).
- Assemble in reverse order.
Work Procedure B
- Replace front axle electrical wiring harness.
New front axle wiring harness is supplied with all mounting clips or cable ties in the correct assembly position.
Rear underfloor paneling and fender liner in front left fender must be removed to replace front axle wiring harness.
Primary Parts Information
Qty. | Part Name | Part Number |
As required (1) | Protective tube | A 102 159 01 13 |
As required (1)* | Fabric tape 25 m roll | A 006 989 84 85 10 |
As required (1)** | Front axle wiring harness | ** |
* One roll of fabric tape is sufficient for 10 vehicles.
**The required front axle wiring harness can be found in the Xentry parts job under the main group 54 Electric equipment and instruments in picture chart 545, main wiring harness for frame floor system, picture number 10. The front axle wiring harness must be selected according to the vehicle identification number.
Chronology :
In February 2022, Mercedes-Benz AG began a review of isolated field reports by owners of G-Class vehicles, who stated they had observed an ABS and ESP indicator lamp in the instrument cluster. No related crashes, third-party damages, or personal injuries were reported. MBAG requested parts from the affected vehicles for further analysis.
From March through May 2022, based on its investigation and analysis of the parts collected from the field, MBAG determined that, in the analyzed cases, the front axle wiring harness had come into contact and chafed on an auxiliary oil cooler causing damage to the wiring harness.
In April 2022, to guard against such potential chafing, MBAG made a production adjustment, installing a protective sleeve on the potentially affected section of the wiring harness of all G-Class vehicles.
In parallel MBAG carried out systematic analysis of potentially affected signal wires for each possible wiring harness configuration. As part of the analyses, all functions of corresponding signal wires of the various wiring harness variants were checked and examined with regard to safety-relevant effects. In the course of this analysis MBAG determined that safety relevant consequences are limited to the potential impairment of the ABS and ESP brake system functionality. These investigations were completed by the end of 2022.
On February 10, 2023, MBAG determined that a potential safety risk could not be ruled out and decided to conduct a recall.
MBAG is currently aware of 12 warranty claims potentially related to this case between January 01, 2020 and July 6, 2021 and no other field reports regarding this defect in the US. MBAG is not aware of any reported crashes or personal injury in connection with this issue.
6 Affected Products
Vehicles
MAKE | MODEL | YEAR |
MERCEDES-BENZ![]() | AMG G63 | 2019-2021 |
MERCEDES-BENZ![]() | G550 | 2019-2021 |
10 Associated Documents
Defect Notice 573 Report
RCLRPT-23V097-6093.PDF 216.047KB
Recall Acknowledgement
RCAK-23V097-3252.pdf 645.238KB
Manufacturer Notices(to Dealers,etc)
RCMN-23V097-3549.pdf 140.012KB
Remedy Instructions and TSB
RCRIT-23V097-5792.pdf 690.641KB
Recall 573 Report – April 11, 2023
RCLRPT-23V097-7457.PDF 216.048KB
Manufacturer Notices(to Dealers,etc)
RCMN-23V097-6986.pdf 922.623KB
ISSUED Owner Notification Letter(Part 577)
RCONL-23V097-5094.pdf 335.067KB
Recall Quarterly Report #1, 2023-2
RCLQRT-23V097-7436.PDF 211.15KB
Recall Quarterly Report #2, 2023-3
RCLQRT-23V097-9436.PDF 211.394KB
Recall Quarterly Report #3, 2023-4
RCLQRT-23V097-5131.PDF 211.487KB
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SEOCONTENT-START
April, 2023
Thi: notiee applies to your vehiele, VIN:
ln:peet Front Axle Wiring Harne::
MBUSA ID: 2023030005, NHTSA Reeall ID: 23V097
• Remedy parts are now available for your vehicle.
• Schedule an appointment with your authorized Mercedes-Benz dealership as soon aspossible.
• Thisrepair will be provided FREE of charge. Dear Mercedes-Benz Owner: This notice is being sent to you in accordance with the National Traffic and Motor Vehicle Safety Act.
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has decided that a defect which relates to motor vehicle safety exists in certain model year 2019-2021 G-Class vehicles. Our records indicate that your vehicle is included in the affected population.
What i: the i::ue?
The front axle wiring harness may chafe against an oil cooler and become damaged, which might result in the anti-lock braking system (“ABS”) and electronic stability control (“ESC”) being impaired. An impaired ABS or ESC could increase the risk of a crash. When this failure occurs, the driver would be made aware through an indicator lamp or warning message in the instrument cluster. What will your Mereede:-Benz Dealer::hip do?
An authorized Mercedes-Benz dealership will inspect and either install a protective sleeve or replace the front axle wiring harness, if necessary. Thi: vehiele repair will be provided at no eo:t to you. While the repair time can take between to 1-5 hours, your dealership can provide you with a better estimate of the overall time for this service visit. As a matter of normal service process, an authorized Mercedes-Benz dealership will also check for other repair measures which might be applicable to your vehicle and this may increase the required working time. You will not be charged for other service or repairs unless so requested. Step: to take.
• Find your nearest authorized Mercedes-Benz dealership at mbu:a.eom/reeall to schedule your recall repair.
• Please mention you are scheduling an appointment for Mercedes-Benz Recall Campaign 2023030005.
• You may be asked for your VIN, which for your convenience is located at the top of this letter. We apologize for any inconvenience this may have caused and look forward to taking care of this important safety recall immediately.
Sincerely,
Mercedes-Benz USA What if I no longer own or drive the vehiele?
In the event you need to update your contact information or have updates concerning the vehicle, please
visit mbusa.com/recalls (or scan the OR Code to the left) and submit your VIN using our VIN recall lookup tool and filling out the “Recall Contact Information” section on the website. If possible, please
• provide any contact information of the current owner/ driver so we can contact them. Additional Information for Owner::
A VIN-based recall lookup tool is available at mbu:a.eom/reeall:, which can be used to check whether a vehicle has been subject to a safety recall, or had the remedy performed. Should you have any questions or encounter any difficulty regarding this Recall Campaign, please contact an authorized Mercedes-Benz dealership. Should an authorized Mercedes-Benz dealership be unable to address your concerns please contact us at 1·(800) FOR· MERCEDES ( 1·800-367-6372). We are always happy to hear from you. If this is a leased vehicle and the lessor and registered owner receive this notice, please forward this information by first class mail to the lessee within 10 business days to comply with Federal Regulations. If an authorized Mercedes-Benz dealer for any reason is unable to remedy the situation without charge, or within a reasonable amount of time, Pursuant to law 49 U.S.C. Chapter 301, you may submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue, S.E., Washington, D.C. 20590 or call the toll free Auto Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153); or go to https://www.safercar.gov. Reimbursement to Customer: for Repair: Performed Prior to Reeall
If you have already paid to have this recall condition corrected you may be eligible to receive reimbursement. Requests for reimbursement may include parts, labor, fees and taxes. Reimbursement may be limited to the amount the repair would have cost if completed by an authorized Mercedes-Benz dealer. The following documentation must be presented to your dealer for reimbursement.
Original or clear copy of all receipts, invoices and/or repair orders that show: • The name and address of the person who paid for the repair.
• The Vehicle Identification Number (VIN) of the vehicle that was repaired.
• What problem occurred, what repair was done, when it was done and who repaired it.
• The total cost of the repair expense that is being claimed.
• Proof of payment of repair (copy of front and back of cancelled check, or copy of credit card receipt).
• Reimbursement will be made by check from your dealer.
Please speak with your dealer concerning this matter. Thank you for your cooperation.
**************************************************************************************************************
Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company
One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600
News Channel Update | Vehicle Compliance & Analysis
Internal
IMPORTANT RECALL CAMPAIGN UPDATE
Please see the attached documents related to the campaign listed above.
Please note that all customer inquiries should be directed to the Customer Assistance Center at 1-800-FORMERCEDES.
Sincerely,
Gregory Gunther
Department Manager, Vehicle Compliance & Analysis
TO: Mercedes-Benz Dealer Principals, General Managers,
Sales Managers, Service Managers, Parts Managers
FROM: Gregory Gunther, Department Manager, Vehicle
Compliance and Analysis, Engineering Services
RE: Recall Campaign Launch Notification
Inspect Front Axle Wiring Harness
MY19-22 G-Class (463 platform)
DATE: April 6, 2023
Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company
One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600
News Channel Update | Vehicle Compliance & Analysis
Internal
Recall Campaign Launch Notification April 6, 2023
Campaign No. : NHTSA ID Campaign Desc. :
Inspect Front Axle Wiring Harness
2023030005 23V097 23P5491809
This is to notify you of the Recall Campaign Launch to inspect the front axle wiring harness on 26,116 Model Year (“MY”) 2019-2022 G-Class
(463 platform) vehicles. The recall campaign will be visible on the www.safercar.gov website and may generate questions from customers.
Affected VINs will be flagged in VMI as “OPEN” on April 6, 2023.
Background
Issue
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that
on certain Model Year (“MY”) 2019-2022 G-Class (463 platform) vehicles, the front axle wiring
harness might contact an auxiliary oil cooler and chafe. This could potentially damage the wiring
harness over time. As a result, impairment of ABS and ESP functionality cannot be ruled out, which
could potentially increase the risk of a crash. If the failure occurs, the driver would be made aware
through an indicator lamp or warning message in the instrument cluster.
What We’re Doing
MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealership will inspect the
front axle wiring harness on the affected vehicles and replace it, if necessary. After inspection if
the wiring harness is not replaced a protective sleeve will be installed.
Parts
The remedy is available and can be performed. The predicted use rate for the cable tie
and adhesive tape is 32%. The predicted replacement rate for the electrical wiring
harness is 0.5%.
Vehicles Affected
Vehicle Model Year(s) 2019-2022
Vehicle Model G-Class
Vehicle Populations
Total Recall Population 26,116
Total Vehicles in Dealer Inventory 7
Given this notice, it is a violation of Federal law for a dealer to sell or lease any new vehicles in dealer inventory covered by this
notification until the vehicle has been repaired. Once the remedy is available, the vehicles will be flagged as “OPEN” and Work
Instructions will be available in NetStar VMI and Xentry Portal. Once the repair is complete the vehicle may be sold or leased.
Loaner and demonstrator vehicles may continue to be driven, but must not be retailed until repaired. As a matter of normal service
process, please check for other repair measures which might be applicable to the vehicle(s).
Additionally, given this notice, it is a violation of Federal Law for car rental companies to rent new vehicles covered by this
notification until the vehicle has been repaired.
Next Steps/Notes
Customer Notification Timeline Customer letters will be mailed on April 10, 2023.
AOMS/SOMS
AOMs – This recall may generate questions from your dealers. Please forward this notice to
your dealers ASAP.
Rental Fleet Partners This recall may affect vehicles in your fleet. Please contact your respective MBUSA fleet
representative for further information and next steps. For repairs, please contact your
preferred MBUSA dealer.
While we regret any inconvenience this may cause, MBUSA is determined to maintain a high level of vehicle quality and customer satisfaction.
Please refer all customer inquiries to the Customer Assistance Center at 1-800-FOR-MERCEDES.
Campaign No. 2023030005, April 2023
TO: ALL MERCEDES-BENZ CENTERS
SUBJECT: Model G-Class (463 platform)
Model Year 2019-2022
Inspect Front Axle Wiring Harness
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on
certain Model Year (“MY”) 2019-2022 G-Class (463 platform) vehicles, the front axle wiring harness might
contact an auxiliary oil cooler and chafe. This could potentially damage the wiring harness over time. As a
result, impairment of ABS and ESP functionality cannot be ruled out, which could potentially increase the
risk of a crash. If the failure occurs, the driver would be made aware through an indicator lamp or warning
message in the instrument cluster. An authorized Mercedes-Benz dealership will inspect the front axle
wiring harness on the affected vehicles and replace it, if necessary. After inspection if the wiring harness is
not replaced a protective sleeve will be installed.
Prior to performing this Campaign:
VMI must be checked before performing campaigns to verify that the campaign is required on a
specific vehicle. Always check for any other open campaigns, and perform accordingly.
Please review the entire Campaign bulletin and follow the repair procedure exactly as described.
Approximately 26,116 vehicles are affected.
Order No. P-RC-2023030005
This bulletin has been created and maintained in accordance with MBUSA-SLP S423QH001, Document and Data
Control, and MBUSA-SLP S424HH001, Control of Quality Records.
2
P-RC-2023030005
Check electrical wiring harness for front axle in front right fender, rework and replace if necessary
Check/test procedure
1. Remove fender liner in front right fender (AR88.10-P-1300XG).
Contrary to the work instructions in WIS, it is not necessary to remove the wheel and tire assembly!
2. Unclip plug housing (A, Figure 1) and disconnect.
Figure 1
3. Unclip line from panel edge and upper trailing arm (B and C, Figure 2).
Figure 2
3
P-RC-2023030005
4. Remove front engine compartment lining (Figure 3).
Figure 3
4
P-RC-2023030005
5. Unclip wiring harness from wheel arch at right trailing arm and place inwards in engine compartment (Figure 4).
Hang wiring harness downwards vertically.
For V8 engines, the retaining clamp (D, Figure 5) of the circulation pump must also be removed, press
circulation pump slightly to one side to access the wiring harness.
Figure 4
Figure 5
5
P-RC-2023030005
6. Remove the fabric insulating tape between the cable ties (E and F, Figure 6) and check all exposed individual cables
for damage.
Leave approx. 20 mm fabric tape in front of the cable ties in each case!
Figure 6
a. If none of the individual cables in the exposed area are damaged: Carry out Work Procedure A.
b. If one or more individual cables in the exposed area are damaged: Carry out Work Procedure B.
6
P-RC-2023030005
Work Procedure A
1. Freshly wrap exposed individual cables with fabric insulating tape and attach anti-chafe hose to wiring harness
between the cable ties.
Anti-chafe hose is supplied with a slit.
Install anti-chafe hose such that the distance to the cable ties (E and F Figure 7) is identical.
Figure 6
2. Wrap the anti-chafe hose at the ends with fabric insulating tape to the wiring harness (Figure 8)
Figure 7
7
P-RC-2023030005
3. Route wiring harness via right trailing arm into wheel arch, clip back into the retaining clips and connect (Figure 9).
Figure 9
4. Assemble in reverse order.
Work Procedure B
1. Replace front axle electrical wiring harness.
New front axle wiring harness is supplied with all mounting clips or cable ties in the correct assembly position.
Rear underfloor paneling and fender liner in front left fender must be removed to replace front axle wiring harness.
__________________________________________________________________________________________________
8
P-RC-2023030005
Primary Parts Information
Qty. Part Name Part Number
As required (1) Protective tube A 102 159 01 13
As required (1)* Fabric tape 25 m roll A 006 989 84 85 10
As required (1)** Front axle wiring harness **
* One roll of fabric tape is sufficient for 10 vehicles.
**The required front axle wiring harness can be found in the Xentry parts job under the main group 54 Electric equipment
and instruments in picture chart 545, main wiring harness for frame floor system, picture number 10. The front axle
wiring harness must be selected according to the vehicle identification number.
Small parts such as screws, lock nuts, sealing rings, cable ties, fluids, sealant etc. are not listed in the parts list. The
required small parts are taken into account in the budgeting.
__________________________________________________________________________________________________
Note: The following allowable labor operation should be used when submitting a warranty claim for this repair:
Warranty Information
Damage
Code
Operation
Number
Description
Labor Time
(hrs.)
54 918 09
12-1636
Check electrical wiring harness for front axle in front right fender
Includes: Rework wiring harness with anti-chafe hose
0.7
12-1636
Check electrical wiring harness for front axle in front right fender
For V8 gasoline engines
Includes: Rework wiring harness with anti-chafe hose and release circulation
pump
0.8
12-1637 Replace electrical wiring harness for front axle (after check) ZM
Note: Always check Xentry Operation Time (XOT) for the current OP-Code times. Labor times are subject to change
and updates may not be reflected in this document.
**************************************************************************************************************
Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Com pany
One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600
News Channel Update | Vehicle Compliance & Analysis
Internal
IMPORTANT RECALL CAMPAIGN INFORMATION
Please see the attached documents related to the campaign listed above.
Please note that all customer inquiries should be directed to the Customer Assistance Center at 1-800-FOR-MERCEDES.
Sincerely,
Gregory Gunther
Department Manager, Vehicle Compliance & Analysis
TO: Mercedes-Benz Dealer Principals, General Managers, Sales Managers, Service Managers, Parts Managers
FROM: Gregory Gunther, Department Manager, Vehicle Compliance and Analysis, Engineering Services
RE: Recall Campaign Initial Notification
Check Front Axle Wiring Harness
MY19-22 G-Class (463 platform)
DATE: February 24, 2023
Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Com pany
One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600
News Channel Update | Vehicle Compliance & Analysis
Internal
Recall Campaign Initial Notification
February 24, 2023
Campaign No. :
NHTSA ID
Campaign Desc. :
Check Front Axle Wiring Harness
TBA
23V097
23P5491809
This is to notify you of the new Recall Campaign to check the front axle wiring harness on 26,116 Model Year (“MY”) 2019-2022 G-Class (463 platform) vehicles. The recall campaign will be visible on the www.safercar.gov website and may generate questions from customers. Affected VINs will be flagged in VMI as “PENDING” on February 24, 2023.
Background
Issue
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2019-2022 G-Class (463 platform) vehicles, the front axle wiring harness might contact an auxiliary oil cooler and chafe. This could potentially damage the wiring harness over time. As a result, impairment of ABS and ESP functionality cannot be ruled out, which could potentially increase the risk of a crash. If the failure occurs, the driver would be made aware through an indicator lamp or warning message in the instrument cluster.
What We’re Doing
MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealership will inspect the front axle wiring harness on the affected vehicles and replace it, if necessary. After inspection if the wiring harness is not replaced a protective sleeve will be installed,
Parts
Remedy is not available at this time.
Vehicles Affected
Vehicle Model Year(s)
2019-2022
Vehicle Model
G-Class
Vehicle Populations
Total Recall Population
26,116
Total Vehicles in Dealer Inventory
7
Given this notice, it is a violation of Federal law for a dealer to sell or lease any new vehicles in dealer inventory covered by this notification until the vehicle has been repaired. Once the remedy is available, the vehicles will be flagged as “OPEN” and Work Instructions will be available in Star TekInfo. Once the repair is complete the vehicle may be sold or leased.
Loaner and demonstrator vehicles may continue to be driven, but must not be retailed until repaired. As a matter of normal service process, please check for other repair measures which might be applicable to the vehicle(s).
Additionally, given this notice, it is a violation of Federal Law for car rental companies to rent new vehicles covered by this notification until the vehicle has been repaired.
Next Steps/Notes
Customer Notification Timeline
Customer letters will be mailed on or before April 14, 2023.
AOMS/SOMS
AOMs – This recall may generate questions from your dealers. Please forward this notice to your dealers ASAP.
Rental Fleet Partners
This recall may affect vehicles in your fleet. Please contact your respective MBUSA fleet representative for further information and next steps. For repairs, please contact your preferred MBUSA dealer.
While we regret any inconvenience this may cause, MBUSA is determined to maintain a high level of vehicle quality and customer satisfaction. Please refer all customer inquiries to the Customer Assistance Center at 1-800-FOR-MERCEDES.
**************************************************************************************************************
OMB Control No.: 2127-0004
Part 573 Safety Recall Report 23V-097
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
Mercedes-Benz USA, LLC APR 11, 2023 NHTSA Recall No. : 23V-097 Manufacturer Recall No. : 2023030005 Manufacturer Information :
Manufacturer Name : Mercedes-Benz USA, LLC Address : 13470 International Parkway
Jacksonville FL 32218
Company phone : 1-877-496-3691
Population :
Number of potentially involved : 26,116 Estimated percentage with defect : 100 %
Vehicle Information : Vehicle 1 : 2019-2021 Mercedes-Benz G550 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : Mercedes-Benz MY 2019-2021 G550 11,018 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the wiring harness manufactured according to current specifications.
Production Dates : JUN 22, 2018 – DEC 23, 2021
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2019-2021 Mercedes-Benz AMG G63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : Mercedes-Benz MY 2019-2021 AMG G63 15,098 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the wiring harness manufactured according to current specifications.
Production Dates : JUN 22, 2018 – DEC 23, 2021
VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect :
Description of the Defect : Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2019-2022 G-Class (463 platform) vehicles, the front axle wiring harness might contact an auxiliary oil cooler. FMVSS 1 : NR Part 573 Safety Recall Report 23V-097 Page 2 FMVSS 2 : NR
Description of the Safety Risk : In this case, the wiring harness might contact an auxiliary oil cooler and chafe, which could potentially damage the wiring harness over time. As a result, impairment of ABS and ESP functionality cannot be ruled out, which could potentially increase the risk of a crash.
Description of the Cause : Due to deviations in the development process the front axle wiring harness could come into contact and chafe on the auxiliary oil cooler due to a narrow passage in the relevant area. Identification of Any Warning
that can Occur : If the failure occurs, the driver would be made aware through an indicator lamp or warning message in the instrument cluster. Involved Components : Component Name 1 : Electrical Wiring Harness Component Description : Electrical Wiring Harness Component Part Number : A4635403412 Component Name 2 : Electrical Wiring Harness Component Description : Electrical Wiring Harness Component Part Number : A4635403512 Component Name 3 : Electrical Wiring Harness Component Description : Electrical Wiring Harness Component Part Number : A4635403612 Component Name 4 : Electrical Wiring Harness Component Description : Electrical Wiring Harness Component Part Number : A4635403712 Component Name 5 : Electrical Wiring Harness Component Description : Electrical Wiring Harness Component Part Number : A4635403812 The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-097 Page 3 Component Name 6 : Electrical Wiring Harness Component Description : Electrical Wiring Harness Component Part Number : A4635403912 Component Name 7 : Electrical Wiring Harness Component Description : Electrical Wiring Harness Component Part Number : A4635404012 Supplier Identification : Component Manufacturer
Name : MBAG Address : NR
NR
Country : NR Chronology :
In February 2022, Mercedes-Benz AG began a review of isolated field reports by owners of G-Class vehicles, who stated they had observed an ABS and ESP indicator lamp in the instrument cluster. No related crashes, third-party damages, or personal injuries were reported. MBAG requested parts from the affected vehicles for further analysis.
From March through May 2022, based on its investigation and analysis of the parts collected from the field, MBAG determined that, in the analyzed cases, the front axle wiring harness had come into contact and chafed on an auxiliary oil cooler causing damage to the wiring harness.
In April 2022, to guard against such potential chafing, MBAG made a production adjustment, installing a protective sleeve on the potentially affected section of the wiring harness of all G-Class vehicles.
In parallel MBAG carried out systematic analysis of potentially affected signal wires for each possible wiring harness configuration. As part of the analyses, all functions of corresponding signal wires of the various wiring harness variants were checked and examined with regard to safety-relevant effects. In the course of this analysis MBAG determined that safety relevant consequences are limited to the potential impairment of the ABS and ESP brake system functionality. These investigations were completed by the end of 2022.
On February 10, 2023, MBAG determined that a potential safety risk could not be ruled out and decided to conduct a recall.
MBAG is currently aware of 12 warranty claims potentially related to this case between January 01, 2020 and July 6, 2021 and no other field reports regarding this defect in the US. MBAG is not aware of any reported crashes or personal injury in connection with this issue. The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-097
Page 4
The information contained in this report was submitted pursuant to 49 CFR §573
Description of Remedy :
Description of Remedy Program : An authorized Mercedes-Benz dealership, will inspect the front axle wiring
harness on the affected vehicles and replace it, if necessary. After inspection a protective sleeve will be installed, if the wiring harness is not replaced.
Pursuant to 49 C.F.R. § 577.11(e), MBUSA plans to provide notice about pre-notice reimbursement to owners since some of the involved vehicles would have been previously subject to the condition described.
How Remedy Component Differs from Recalled Component :
Front axle wiring harness will have the protective sleeve installed according to current specifications.
Remedy Parts:
A4635403412 – Electrical Wiring Harness A4635403512 – Electrical Wiring Harness A4635403612 – Electrical Wiring Harness A4635403712 – Electrical Wiring Harness A4635403812 – Electrical Wiring Harness A4635403912 – Electrical Wiring Harness A4635404012 – Electrical Wiring Harness A0079975690 – Cable Strap A0069898485 – Duct Tape
A1021590113 – Protective Tube Identify How/When Recall Condition was Corrected in Production : A change in the production procedure of our supplier ensures that this issue can no longer occur from April 07, 2022 onwards. Recall Schedule :
Description of Recall Schedule : Dealers will be notified of the pending voluntary recall campaign on
February 24, 2023. Owners were notified of the voluntary recall campaign on April 10, 2023. A copy of all communications will be provided when available.
Planned Dealer Notification Date : FEB 24, 2023 – NR Planned Owner Notification Date : APR 10, 2023 – NR
* NR – Not Reported
**************************************************************************************************************
OMB Control No.: 2127-0004
Part 573 Safety Recall Report 23V-097
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
Mercedes-Benz USA, LLC FEB 17, 2023 NHTSA Recall No. : 23V-097 Manufacturer Recall No. : NR Manufacturer Information :
Manufacturer Name : Mercedes-Benz USA, LLC Address : 13470 International Parkway
Jacksonville FL 32218
Company phone : 1-877-496-3691
Population :
Number of potentially involved : 26,116 Estimated percentage with defect : 100 %
Vehicle Information : Vehicle 1 : 2019-2021 Mercedes-Benz G550 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : Mercedes-Benz MY 2019-2021 G550 11,018 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the wiring harness manufactured according to current specifications.
Production Dates : JUN 22, 2018 – DEC 23, 2021
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2019-2021 Mercedes-Benz AMG G63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : Mercedes-Benz MY 2019-2021 AMG G63 15,098 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the wiring harness manufactured according to current specifications.
Production Dates : JUN 22, 2018 – DEC 23, 2021
VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect :
Description of the Defect : Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2019-2022 G-Class (463 platform) vehicles, the front axle wiring harness might contact an auxiliary oil cooler. FMVSS 1 : NR Part 573 Safety Recall Report 23V-097 Page 2 FMVSS 2 : NR
Description of the Safety Risk : In this case, the wiring harness might contact an auxiliary oil cooler and chafe, which could potentially damage the wiring harness over time. As a result, impairment of ABS and ESP functionality cannot be ruled out, which could potentially increase the risk of a crash.
Description of the Cause : Due to deviations in the development process the front axle wiring harness could come into contact and chafe on the auxiliary oil cooler due to a narrow passage in the relevant area. Identification of Any Warning
that can Occur : If the failure occurs, the driver would be made aware through an indicator lamp or warning message in the instrument cluster. Involved Components : Component Name 1 : Electrical Wiring Harness Component Description : Electrical Wiring Harness Component Part Number : A4635403412 Component Name 2 : Electrical Wiring Harness Component Description : Electrical Wiring Harness Component Part Number : A4635403512 Component Name 3 : Electrical Wiring Harness Component Description : Electrical Wiring Harness Component Part Number : A4635403612 Component Name 4 : Electrical Wiring Harness Component Description : Electrical Wiring Harness Component Part Number : A4635403712 Component Name 5 : Electrical Wiring Harness Component Description : Electrical Wiring Harness Component Part Number : A4635403812 The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-097 Page 3 Component Name 6 : Electrical Wiring Harness Component Description : Electrical Wiring Harness Component Part Number : A4635403912 Component Name 7 : Electrical Wiring Harness Component Description : Electrical Wiring Harness Component Part Number : A4635404012 Supplier Identification : Component Manufacturer
Name : MBAG Address : NR
NR
Country : NR Chronology :
In February 2022, Mercedes-Benz AG began a review of isolated field reports by owners of G-Class vehicles, who stated they had observed an ABS and ESP indicator lamp in the instrument cluster. No related crashes, third-party damages, or personal injuries were reported. MBAG requested parts from the affected vehicles for further analysis.
From March through May 2022, based on its investigation and analysis of the parts collected from the field, MBAG determined that, in the analyzed cases, the front axle wiring harness had come into contact and chafed on an auxiliary oil cooler causing damage to the wiring harness.
In April 2022, to guard against such potential chafing, MBAG made a production adjustment, installing a protective sleeve on the potentially affected section of the wiring harness of all G-Class vehicles.
In parallel MBAG carried out systematic analysis of potentially affected signal wires for each possible wiring harness configuration. As part of the analyses, all functions of corresponding signal wires of the various wiring harness variants were checked and examined with regard to safety-relevant effects. In the course of this analysis MBAG determined that safety relevant consequences are limited to the potential impairment of the ABS and ESP brake system functionality. These investigations were completed by the end of 2022.
On February 10, 2023, MBAG determined that a potential safety risk could not be ruled out and decided to conduct a recall.
MBAG is currently aware of 12 warranty claims potentially related to this case between January 01, 2020 and July 6, 2021 and no other field reports regarding this defect in the US. MBAG is not aware of any reported crashes or personal injury in connection with this issue. The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-097
Page 4
The information contained in this report was submitted pursuant to 49 CFR §573
Description of Remedy :
Description of Remedy Program : An authorized Mercedes-Benz dealership, will inspect the front axle wiring
harness on the affected vehicles and replace it, if necessary. After inspection a protective sleeve will be installed, if the wiring harness is not replaced.
Pursuant to 49 C.F.R. § 577.11(e), MBUSA plans to provide notice about pre-notice reimbursement to owners since some of the involved vehicles would have been previously subject to the condition described.
How Remedy Component Differs from Recalled Component :
Front axle wiring harness will have the protective sleeve installed according to current specifications.
Remedy Parts:
A4635403412 – Electrical Wiring Harness A4635403512 – Electrical Wiring Harness A4635403612 – Electrical Wiring Harness A4635403712 – Electrical Wiring Harness A4635403812 – Electrical Wiring Harness A4635403912 – Electrical Wiring Harness A4635404012 – Electrical Wiring Harness A0079975690 – Cable Strap A0069898485 – Duct Tape
A1021590113 – Protective Tube Identify How/When Recall Condition was Corrected in Production : A change in the production procedure of our supplier ensures that this issue can no longer occur from April 07, 2022 onwards. Recall Schedule :
Description of Recall Schedule : Dealers will be notified of the pending voluntary recall campaign on
February 24, 2023. Owners will be notified of the voluntary recall campaign before April 18, 2023. A copy of all communications will be provided when available.
Planned Dealer Notification Date : FEB 24, 2023 – NR Planned Owner Notification Date : APR 18, 2023 – NR
* NR – Not Reported
SEOCONTENT-END
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