Home / Latest recalls / 21V197

Mercedes-Benz C 300 Recall 21V197: Front roof panel may detach while driving, creating a crash hazard

NHTSA campaign 21V197, reported March 19, 2021, 15,096 vehicles potentially affected.

What this recall means for you

The front roof panel, located between the windshield and the panoramic sunroof, may not have been bonded correctly to the vehicle during a previous repair. Over time, the adhesive holding the panel can deteriorate.

If the adhesive fails, the front panel could detach from the vehicle and become a road hazard, increasing the risk of a crash for you and other drivers.

A Mercedes-Benz dealer will remove the bonded panel and install a new front panel using the approved primer, cleaner and adhesive, following detailed repair instructions. The repair is free of charge. Owner notification letters were mailed on September 3, 2021 and October 26, 2021. You can contact Mercedes-Benz USA customer service at 1-800-367-6372, and check your VIN for open recalls.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 21V197Mercedes-Benz USA, LLC
Component
STRUCTURE:BODY:ROOF AND PILLARS
Problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2020 C300 Coupe, C43 Coupe AMG, C43 AMG, 2015-2020 C300, GLA250, 2016-2018 C350e, CLA45 Coupe AMG, 2015 C400, S65 AMG, 2015-2019 C63 AMG, 2016 C450, 2015-2016 GLA45 AMG, S600, 2016-2020 GLC300, 2017-2019 GLC43 AMG, GLE43 Coupe AMG, 2014-2019 CLA250 Coupe, 2014-2015 CLA45 AMG, 2018 GLC63 AMG, 2014-2017 S550, 2018-2020 S450, 2016-2019 GLE63 Coupe AMG, 2016 GLE450 Coupe, 2014-2020 S63 AMG, 2018-2019 S560, and 2019 GLC350e vehicles equipped with a panoramic sunroof. The front roof panel located between the windshield and the panoramic sunroof may not have been bonded correctly to the vehicle during a prior repair.
Risk
The adhesive bonding of the front panel might deteriorate, possibly causing the front panel to detach from the vehicle and become a road hazard, increasing the risk of a crash.
Remedy
Mercedes-Benz dealer will remove the bonded panel and will install a new front panel by following the detailed repair instructions and using the approved primer, cleaner and adhesive, free of charge. Owner notification letters were mailed on September 3, 2021 and October 26, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.
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.

Affected vehicles

Mercedes-Benz AMG C432017201820192020
Mercedes-Benz AMG C6320152016201720182019
Mercedes-Benz AMG CLA4520142015201620172018
Mercedes-Benz AMG GLA4520152016
Mercedes-Benz AMG GLC43201720182019
Mercedes-Benz AMG GLC632018
Mercedes-Benz AMG GLE43201720182019
Mercedes-Benz AMG GLE632016201720182019
Mercedes-Benz AMG S632014201520162017201820192020
Mercedes-Benz AMG S652015
Mercedes-Benz C 300201520162017201820192020
Mercedes-Benz C 350 E201620172018
Mercedes-Benz C4002015
Mercedes-Benz C4502016
Mercedes-Benz CLA 250201420152016201720182019
Mercedes-Benz GLA 250201520162017201820192020
Mercedes-Benz GLC 30020162017201820192020
Mercedes-Benz GLC 350 E2019
Mercedes-Benz GLE 4502016
Mercedes-Benz S 450201820192020
Mercedes-Benz S 56020182019
Mercedes-Benz S5502014201520162017
Mercedes-Benz S60020152016