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January 29, 2021 NHTSA CAMPAIGN NUMBER: 21V034000
Child Seat Anchoring System Missing Anchor Bar
If the anchoring bar is missing from the ISOFIX bracket, the child restraint cannot be properly secured to the seat using the ISOFIX securing system, increasing the risk of injury for a child in that seat.
NHTSA Campaign Number: 21V034
Manufacturer Mercedes-Benz USA, LLC
Components CHILD SEAT
Potential Number of Units Affected 231
Summary
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 A220, A35 AMG, and CLA250 vehicles. The child seat anchoring system (ISOFIX) may be missing the right-side anchoring bar from the ISOFIX bracket on the right-rear seat.
Remedy
MBUSA will notify owners, and dealers will inspect the right-rear ISOFIX bracket and replace the bracket, if necessary, free of charge. The recall began March 16, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA’s number for this recall is 2021020004.
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.safercar.gov.
Check if your Mercedes-Benz has a Recall
TO: Mercedes-Benz![]() | FROM: Gregory Gunther, Department Manager, Vehicle Compliance and Analysis, Engineering Services |
RE: Recall Campaign Initial Notification Check ISOFIX Bracket MY21 118, 177 (CLA-Class, A-Class) | Date: February 05, 2021 |
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-FOR-MERCEDES.
Sincerely,
Gregory Gunther
Department Manager, Vehicle Compliance & Analysis
Campaign No. : | NHTSA ID | Campaign Desc. : | Check ISOFIX Bracket | |
2021MMNNNN | 21V034 | 21P2197336 | ||
This is to notify you of a new Recall Campaign to check the ISOFIX Bracket on 231 Model Year MY2021 118, 177 (A-Class, CLA-Class) 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 5, 2021. | ||||
Background | ||||
Issue | Mercedes-Benz![]() ![]() | |||
What We’re Doing | MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz![]() | |||
Parts | Remedy is not available at this time. An additional notification will be sent once the remedy is available. | |||
Vehicles Affected | ||||
Vehicle Model Year(s) | 2021 | |||
Vehicle Model | A-Class, CLA-Class | |||
Vehicle Populations | ||||
Total Recall Population | 231 | |||
Total Vehicles in Dealer Inventory | 4 | |||
Given this notice, it is a violation of Federal law for a dealer to sell or lease any new MY21 A-Class, CLA-Class 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 XPPI. 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 MY21 A-Class, CLA-Class vehicles covered by this notification until the vehicle has been repaired. | ||||
Next Steps/Notes | ||||
Customer Notification Timeline | Customer letters will be mailed approximately one week after the remedy becomes available. | |||
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. |
TO: Mercedes-Benz![]() | FROM: Gregory Gunther, Department Manager, Vehicle Compliance and Analysis, Engineering Services |
RE: Recall Campaign Launch Notification Check ISOFIX Bracket MY21 118, 177(A-Class, CLA-Class) | Date: March 5, 2021 |
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-FOR-MERCEDES.
Sincerely,
Gregory Gunther
Department Manager, Vehicle Compliance & Analysis
A Mercedes-Benz AG Company
Campaign No. : | NHTSA ID | Campaign Desc. : | Check ISOFIX Bracket | |
2021020004 | 21V034 | 21P9195002 | ||
This is to notify you of a Recall Campaign launch to check the ISOFIX Bracket on 231 Model Year (“MY”) 2021 118, 177 (A-Class, CLA-Class) 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 March 5, 2021. | ||||
Background | ||||
Issue | Mercedes-Benz![]() ![]() | |||
What We’re Doing | MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz![]() | |||
Parts | Parts are available and can be ordered as necessary. | |||
Vehicles Affected | ||||
Vehicle Model Year(s) | 2021 | |||
Vehicle Model | A-Class, CLA-Class | |||
Vehicle Populations | ||||
Total Recall Population | 231 | |||
Total Vehicles in Dealer Inventory | 4 | |||
Given this notice, it is a violation of Federal law for a dealer to sell or lease any new MY21 A-Class, CLA-Class 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 Xentry. 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 MY21 A-Class, CLA-Class vehicles covered by this notification until the vehicle has been repaired. | ||||
Next Steps/Notes | ||||
Customer Notification Timeline | Customer letters will be mailed on March 12, 2021, approximately one week after the remedy becomes available. | |||
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. |
A Mercedes-Benz AG Company
Campaign No.2021020004, February 2021
TO: | ALL MERCEDES-BENZ![]() |
SUBJECT: | Model CLA-Class and A-Class vehicles (118 and 177 platform) Model Year 2021 Check ISOFIX Bracket |
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz
vehicles, has determined that on certain Model Year (“MY”) 2021 CLA-Class vehicles (118 platform) and A-Class vehicles (177 platform), the right anchoring bar of the ISOFIX bracket on the right rear seat for attaching the child restraint to the ISOFIX bracket might be missing. If the right anchoring bar of the ISOFIX bracket for the right rear seat is missing, the child restraint cannot be properly secured to the seat using the ISOFIX securing system, affecting the restraining function of the lower ISOFIX anchorage system; thereby increasing the risk of injury for a child in the child restraint. An authorized Mercedes-Benz
dealer will check the rear right side ISOFIX bracket on the affected vehicles and replace the bracket, if necessary.
Prior to performing this Recall Campaign:
- VMI must always be checked before performing campaigns to verify that the campaign is required on a specific Always check for any other open campaigns, and perform accordingly.
- Please review the entire Recall Campaign bulletin and follow the repair procedure exactly as described.
Please note that Recall Campaigns do not expire and may also be performed on a vehicle with a vehicle status indicator.
Approximately 231 vehicles are involved.
Order No. P-RC-2021020004
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.
Check/test procedure
- Check whether the bracket for right rear holder of the ISOFIX child seat anchor is present (Figure 1).
(Figure 2) shows the exposed (with the seat removed) bracket and (Figure 3) without (NOK circled in red) the bracket.

Figure 1

Figure 2 & Figure 3
a. Bracket of right holder for ISOFIX child seat anchor present: End measure.
b. Bracket of right holder for ISOFIX child seat anchor NOT present: Carry out work procedure.
Work procedure
For basic data, see AR91.12-P-1021MFA.
The rear side airbags (code 293) should NOT be disconnected in order to replace the ISOFIX holder.
The battery does NOT need to be disconnected.
Lift the seat cushions of the rear bench with the aid of a second person to replace the right holder for the ISOFIX child seat anchor with the lines connected.
- Replace the right holder bracket for the ISOFIX child seat anchor.
Retaining bracket screw / M 10 ISOFIX child seat anchor to frame floor assembly 50. The removed holder bracket for the ISOFIX child seat anchor must be returned.
- Assemble in reverse order.
Primary Parts Information
Qty. | Part Name | Part Number |
As required* | ISOFIX holder, right | A 177 920 18 00* |
* The replacement parts must be determined according to the VIN via the parts job in the Xentry Portal. The removed old parts must be returned to QEC by the normal warranty parts return process?? Or something else?? .
Small parts such as screws, lock nuts, sealing rings, cable ties, fluids, sealants, etc. are not listed in the parts list. The required small parts are taken into account in the budgeting.
Warranty Information
With check only (a)
Operation: Check rear right holder bracket for ISOFIX child seat anchor (02-1920)
Damage Code | Operation Number | Labor Time (hrs.) |
91 950 02 8 | 02-1920 | 0.1 |
With check and work procedure (b)
Operation: Check rear right holder bracket for ISOFIX child seat anchor (02-1920)
Replace rear right holder bracket for ISOFIX child seat anchor (after check)(02-1921)
Includes: Unfasten/fasten seat cushion of rear bench seat (2nd person)
Damage Code | Operation Number | Labor Time (hrs.) |
91 950 02 7 | 02-1920 | 0.1 |
02-1921 | 0.3 |
Note
Operation Number labor times are subject to change.
P-RC-2021020004
SEOCONTENT-START
IMPORTANT SAFETY RECALL 2021020004
This notice applies to your vehicle, VIN:
Check ISOFIX Bracket Used for Attaching Child Restraints
NHTSA Recall #21V034
March, 2021
Dear Mercedes-Benz Owner:
This notice is sent to you in accordance with the requirements of 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 2021 A-Class and CLA-Class vehicles. Our records indicate that your vehicle is included in the affected population of vehicles.
What is the CONCERN? On certain MY21 A-Class and CLA-Class vehicles, the right anchoring bar of the ISOFIX bracket on the right rear
seat for attaching the child restraint to the ISOFIX bracket might be missing. If the right anchoring bar of the
ISOFIX bracket for the right rear seat is missing, the child restraint cannot be properly secured to the seat when
using the ISOFIX securing system, increasing the risk of injury for a child in the child restraint.
What will your DEALER DO? An authorized Mercedes-Benz dealer will check the rear right side ISOFIX bracket on the affected vehicles and
replace the bracket, if necessary. This service will be provided free of charge. We are dedicated to always
delivering the best customer experience, and respect for your time is a top priority. While the minimum repair
time can be less than 30 minutes, your dealer 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 dealer will also check for other
repair measures which might be applicable to your vehicle which may increase the required working time.
What should YOU DO?
For additional information and to schedule an appointment, please contact your preferred authorized Mercedes-
Benz dealer at your earliest convenience. To locate authorized dealers see www.MBUSA.com/recall. Please
mention you are scheduling an appointment to check the rear right side ISOFIX bracket under Recall
Campaign # 2021020004. You may be asked for your 17-digit Vehicle Identification Number (VIN) which for
your convenience is located above your name at the top of this letter.
Impacts from COVID-19: Your health and safety remain our top priority. The Mercedes-Benz dealerships
remaining open for recall repairs and service are closely following the guidelines set forth by the CDC. Free Mobile
Repair at your home or business as well as vehicle pick-up and delivery may be available. Your preferred
authorized Mercedes-Benz dealer can confirm availability.
Information for Owners In the event that you are no longer the vehicle owner, or have had a change of address, please complete the
reverse side and return the updated information in the enclosed envelope.
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.
A VIN-based recall lookup tool on our MBUSA.com website now offers a search feature that will indicate whether a vehicle has been subject to a safety
recall, and whether that vehicle has had the free remedy performed. See www.mbusa.com/recall. Should you have any questions or encounter any
difficulty regarding this Recall Campaign, please contact an authorized Mercedes-Benz dealer. If for any reason a dealer is unable to remedy your
situation, we are always happy to hear from you. Please contact us at 1-(800) FOR-MERCEDES (1-800-367-6372).
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.
We apologize for any inconvenience this situation may cause you.
Sincerely,
• A remedy is available for your vehicle.
• Schedule an appointment with your authorized
Mercedes-Benz dealer as soon as possible.
• This repair will be provided free of charge.
To find the most
convenient
authorized
Mercedes-Benz
dealer from your
smartphone, scan
the QR code to
the left.
Mercedes-Benz USA, LLC
Christian Treiber
Vice President
Customer Services
Mercedes-Benz USA, LLC
A Mercedes-Benz AG Company
One Mercedes-Benz Drive
Sandy Springs, GA 30328
Phone (770) 705-0600
IMPORTANT
If for any reason YOU NO LONGER OWN THIS VEHICLE OR have a CHANGE OF ADDRESS, please COMPLETE THE SECTION BELOW,
place in the ENCLOSED ENVELOPE, and DROP IN ANY MAIL BOX. If possible, provide the name and address of the present owner
so that we may contact them.
! EXPORTED
! LEASE, VEHICLE RETURNED
! SCRAPPED
! SOLD
! STOLEN
! OTHER
! NEW OWNER INFORMATION ! MY NEW NAME OR ADDRESS IS:
Last Name, First Name
Street Apt
City State ZIP
Email Address
Phone (numbers only) Mobile (numbers only)
———————————————– ———————————————————————————-
Date Signature
**** PLEASE DO NOT DETACH. RETURN COMPLETE LETTER ****
DO NOT USE THE ENCLOSED ENVELOPE FOR OTHER CORRESPONDENCE
VIN:
SEOCONTENT-END
3 Affected Products
Vehicles
MAKE | MODEL | YEAR |
MERCEDES-BENZ![]() | A220 | 2021 |
MERCEDES-BENZ![]() | AMG A35 | 2021 |
MERCEDES-BENZ![]() | CLA250 | 2021 |
13 Associated Documents
Recall Quarterly Report #2, 2021-2
RCLQRT-21V034-0783.PDF 211.241KB
Manufacturer Notices(to Dealers,etc)- Recall Campaign Initial Notification Check ISOFIX Bracket MY21 118, 177 (CLA-Class, A-Class)
RCMN-21V034-8024.pdf 103.639KB
ISSUED Owner Notification Letter(Part 577)
RCONL-21V034-8556.pdf 204.656KB
Remedy Instructions and TSB
RCRIT-21V034-2231.pdf 190.254KB
Manufacturer Notices(to Dealers,etc)- Recall Campaign Launch Notification Check ISOFIX Bracket MY21 118, 177(A-Class, CLA-Class)
RCMN-21V034-0329.pdf 287.994KB
Recall Quarterly Report #1, 2021-1
RCLQRT-21V034-0296.PDF 211.138KB
Recall 573 Report – Amendment 3
RCLRPT-21V034-6262.PDF 215.558KB
Recall 573 Report – Amendment 2
RCLRPT-21V034-3360.PDF 215.56KB
Recall 573 Report – Amendment 4
RCLRPT-21V034-7409.PDF 215.561KB
Recall Acknowledgement
RCAK-21V034-3075.pdf 703.289KB
Defect Notice 573 Report
RCLRPT-21V034-9413.PDF 215.594KB
Recall 573 Report – Amendment 1
RCLRPT-21V034-7068.PDF 215.597KB
Recall Quarterly Report #4, 2021-4
RCLQRT-21V034-8208.PDF 211.435KB
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