campaign

NHTSA Recall 21V527000 — Mercedes-Benz USA, LLC

Official NHTSA recall 21V527000 covers 2 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 21V527000 was received on 2021-07-12 and is associated with 2 source rows covering 2 listed vehicle applications. The manufacturer shown in the record is Mercedes-Benz USA, LLC.

applications
2
campaign number
21V527000
potential units
542
manufacturer campaign number
2021070032/33

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 USA, LLC (MBUSA) is recalling certain 2021 CLS450, AMG E53, AMG CLS53, E350, E450, AMG GT43, AMG GT53, 2020 S450, S560, G550, AMG GLC63, 2020-2021 GLC300, and AMG G63 vehicles. The side crash sensor connectors may come loose, which could delay the activation of air bags and seatbelts during a side impact crash.

campaign number
21V527000
official record
NHTSA recall

safety

Safety consequence in the official record

Air bags and seatbelts that don't function as intended 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 side impact crash sensors, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021070032/33.

vin applicability required
Yes
dealer confirmation required
Yes

applicability

Vehicle applications listed for this campaign

The normalized NHTSA rows contain 2 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
2

components

  • AIR BAGS:SENSOR:SIDE IMPACT

applications

  • MERCEDES-BENZ
  • 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
2
vin check required
Yes
individual vehicle verified
No