Body and fuel not decoded, built in Germany. Owner complaints on file from Nov 4, 2020 to Oct 13, 2023.
Owner complaints about this model year, by the year they were filed with NHTSA.
Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.
Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.
| Campaign | Filed | Subject | Component | Vehicles | Remedy |
|---|---|---|---|---|---|
| 22V-365 | May 20, 2022 | Error in the communication module's SIM card software can cause a mobile network connection failure, disabling the emergency call (eCall) system | Communication | 242,722 | Software update |
| 22V-232 | Apr 8, 2022 | Rearview camera may not display the rearview image due to a software error | Back-over prevention | 126,443 | Software update |
| 21V-527 | Jul 12, 2021 | Side crash sensor connectors may come loose, which could delay the activation of air bags and seatbelts during a side impact crash | Airbags | 542 | Part replacement |
| 21V-354 | May 14, 2021 | MBUX multimedia system software may cause the display to remain black, or reboot after startup | Back-over prevention | 343,191 | Software update |
| 21V-058 | Feb 5, 2021 | Software design of the communication module may fail to communicate the correct vehicle location for the emergency call system (eCall) in the… | Communication | 1,292,258 | Software update |
| 20V-776 | Dec 11, 2020 | Power supply cable on the starter might not have been installed correctly, possibly allowing the cable to chafe against the starter housing and… | Electrical system | 2,563 | Repair or modification |
| 20V-651 | Oct 23, 2020 | Power steering control unit wiring harness may have been damaged during the production process, possibly resulting in a loss of power steering… | Steering | 2,533 | Part replacement |
| 20V-395 | Jul 6, 2020 | Incorrect Electronic Stability Program (ESP) software version may cause the ESP system to react inaccurately | Electrical system | 5,399 | Software update |
| 20V-328 | Jun 5, 2020 | Left-rear seatback latch may not be strong enough to withstand certain loads | Seats | 1,352 | Part replacement |
| 20V-068 | Feb 7, 2020 | Electrical circuit inside the Emergency Call System (eCall) communication module may be damaged, potentially relaying an inaccurate vehicle location | Communication | 239 | Part replacement |
The full text of every complaint filed with NHTSA about this model year, newest first. Complaints are filed by owners and are not verified by NHTSA; NHTSA removes personal details before publishing.
2 complaints on file, page 1 of 1.
The contact owns a 2020 Mercedes-Benz GLC63. The contact stated that while his wife was driving at highway speeds, the vehicle inadvertently decelerated while the accelerator pedal was being depressed. The check engine warning light illuminated, and a message displayed on the instrument panel stated that the “Transmission Needs to Cool, Stop and Pull Over Immediately”. The contact stated that the vehicle had locked in first gear and decelerated to approximately 55 MPH. Additionally, the contact stated that his wife was able to navigate the vehicle back to the residence. The contact stated that the following day the contact was able to restart the vehicle. The vehicle was taken to the dealer where it remained awaiting a diagnostic test. The vehicle had not yet been repaired. The manufacturer was notified of the failure and the contact was provided a case number. The failure mileage was approximately 24,000.
NHTSA complaint 11549774WHEN USING ENGINE START/STOP FUNCTION, OVER THE COURSE OF 3 DAYS AFTER PICKING UP THE CAR, WHEN AT A LIGHT, THE CAR DID NOT START BACK UP.
NHTSA complaint 11373040Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall; the 60 most recent are listed.