campaign

NHTSA Recall 21V483000 — Mercedes-Benz USA, LLC

Official NHTSA recall 21V483000 covers 1 vehicle applications. Review the reported defect, safety consequence, remedy, and VIN-check next step.

Official identifiers and sources shown at claim level Data refreshed 8/28/2026

answer

What this official recall record says

NHTSA campaign 21V483000 was received on 2021-06-25 and is associated with 6 source rows covering 1 listed vehicle applications. The manufacturer shown in the record is Mercedes-Benz USA, LLC.

applications
1
campaign number
21V483000
potential units
4,917
manufacturer campaign number
2021080021

SOURCES

safety

What the owner should do next

Check the VIN in the official recall lookup. If the campaign applies, contact an authorized dealer about the remedy; recall remedies are normally handled through the manufacturer program. If warning signs or unsafe operation are present, stop driving and arrange safe transport.

do not drive
No
park outside
No
vin check required
Yes
recommended channel
dealer

SOURCES

causes

Defect described in the recall record

Mercedes-Benz, LLC (MBUSA) is recalling certain 2021 G550, AMG G63, E350, E450, AMG CLS53, AMG E53, AMG GT43, AMG GT53, AMG GT63, 2021-2022 CLS450, and AMG E63 vehicles. The rear seat belt automatic locking retractors may deactivate early, which can prevent the child restraint system from securing properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."

campaign number
21V483000
official record
NHTSA recall

safety

Safety consequence in the official record

An unsecured child restraint system can increase the risk of injury during a crash.

do not drive
No
park outside
No

repair options

Official remedy

Dealers will inspect, and replace as necessary, the rear seat belt assemblies, free of charge. Owners notified of the voluntary recall campaign by an interim letter on August 13, 2021. A final letter was mailed on September 24, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.

vin applicability required
Yes
dealer confirmation required
Yes

applicability

Vehicle applications listed for this campaign

The normalized NHTSA rows contain 1 applications across 1 makes and 1 model labels. This list describes campaign records, not confirmation that an individual VIN is open or unrepaired.

listed application count
1

components

  • SEAT BELTS:REAR/OTHER:RETRACTOR

applications

  • MERCEDES-BENZ

SOURCES

methodology

Limits of this database record

Campaign applicability and remedy completion are VIN-specific and can change. This page summarizes the official campaign record; it does not inspect the vehicle, determine whether a symptom is caused by the recalled defect, or replace current instructions from NHTSA or the manufacturer.

source rows
6
vin check required
Yes
individual vehicle verified
No