Check ISOFIX Bracket – 2021 Mercedes-Benz A-Class & CLA-Class

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

 

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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 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

 

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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 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,   increasing the risk of injury for a child in the child restraint.
What We’re Doing		MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealer will check the rear right side ISOFIX bracket on the affected vehicles and replace the bracket, if necessary.
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.

 

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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 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

 

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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 AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain 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,   increasing the risk of injury for a child in the child restraint.
What We’re Doing		MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealer will check the rear right side ISOFIX bracket on the affected vehicles and replace the bracket, if necessary.
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

 

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Campaign No.2021020004, February 2021

 

TO:	ALL MERCEDES-BENZ CENTERS
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.

 

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Check/test procedure

 

1. 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 

 

1. Remove seat cushion of rear bench seat.

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.

 

2. 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.

 

3. 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

 

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3 Affected Products

Vehicles

MAKE	MODEL	YEAR
MERCEDES-BENZ	A220	2021
MERCEDES-BENZ	AMG A35	2021
MERCEDES-BENZ	CLA250	2021

 

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13 Associated Documents

Recall Quarterly Report #2, 2021-2

RCLQRT-21V034-0783.PDF 211.241KB

 

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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

 

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ISSUED Owner Notification Letter(Part 577)

RCONL-21V034-8556.pdf 204.656KB

 

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Remedy Instructions and TSB

RCRIT-21V034-2231.pdf 190.254KB

 

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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

 

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Recall Quarterly Report #1, 2021-1

RCLQRT-21V034-0296.PDF 211.138KB

 

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Recall 573 Report – Amendment 3

RCLRPT-21V034-6262.PDF 215.558KB

 

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Recall 573 Report – Amendment 2

RCLRPT-21V034-3360.PDF 215.56KB

 

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Recall 573 Report – Amendment 4

RCLRPT-21V034-7409.PDF 215.561KB

 

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Recall Acknowledgement

RCAK-21V034-3075.pdf 703.289KB

 

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Defect Notice 573 Report

RCLRPT-21V034-9413.PDF 215.594KB

 

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Recall 573 Report – Amendment 1

RCLRPT-21V034-7068.PDF 215.597KB

 

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Recall Quarterly Report #4, 2021-4

RCLQRT-21V034-8208.PDF 211.435KB

 

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Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=21V034&docType=RCL

 

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Last update on 2026-05-27 / Affiliate links / Images from Amazon Product Advertising API

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