AI Damage2021 Mercedes-Benz AMG Gls63s: common problems
The maker issued 28 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 28
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 15 |
| Engine and cooling | 0 | 0 | 7 |
| Equipment | 0 | 0 | 5 |
| Suspension | 0 | 0 | 4 |
| Steering | 0 | 0 | 2 |
| Structure | 0 | 0 | 2 |
| Backover prevention | 0 | 0 | 1 |
| Fuel system | 0 | 0 | 1 |
| Latches, locks, linkages | 0 | 0 | 1 |
| Powertrain | 0 | 0 | 1 |
| Seats | 0 | 0 | 1 |
| Tires | 0 | 0 | 1 |
| Other | 0 | 0 | 1 |
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Suspension. Wheel alignment, control arms, subframe, even tire wear.
- Steering. Steering play, power assist, rack and tie rods after a wheel impact.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Mercedes-Benz AG (âMBAGâ), the manufacturer of Mercedes-Benz, has produced certain MY 2021-2022…
Mercedes-Benz AG (âMBAGâ), the manufacturer of Mercedes-Benz, has produced certain MY 2021-2022 A-Class, CLA-Class, CLS-Class, E-Class, GLA-Class, GLB-Class, GLC-Class, GLEClass, GLS-Class, and AMG GT (177, 118…
- Complaint Tailgate opens unintentionally
Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. E.g. when stored in trouser pocket, handbag etc. Remedy As of the 6th generation, the vehicle key can be recoded so that…
- Complaint Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment…
Complaint Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position (e.g. with Easy Entry function). Cause Height adjustment moves to the top/bottom limit stop and jams.
- Complaint Customer states after a bus sleep the SiriusXM category changes from "My Favorites" to…
Complaint Customer states after a bus sleep the SiriusXM category changes from "My Favorites" to "All Stations" or a different category. Sometimes, the "My Favorites" category will be…
- Complaint Metallic noises from area of instrument panel Cause Due to a possible drop in torque at the…
Complaint Metallic noises from area of instrument panel Cause Due to a possible drop in torque at the screw connection of the NVH struts in the engine compartment (see picture in the attachment), noises may be…
- Complaint Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment…
Complaint Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position (e.g. with Easy Entry function). Cause Height adjustment moves to the top/bottom limit stop and jams…
- Complaint CEL on with Code P012800 "The Coolant Temperature is Below the Specified Temperature" Cause…
Complaint CEL on with Code P012800 "The Coolant Temperature is Below the Specified Temperature" Cause Under investigation. This is not an issue that affects drivability or performance and is not a safety concern. The…
- Mercedes-Benz AG (âMBAGâ), the manufacturer of Mercedes-Benz vehicles, has determined that on certain…
Mercedes-Benz AG (âMBAGâ), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year 2021 CLA (118 platform), GLE/GLS (167 platform), C-Class (205 platform), E-Class (213 platform), GLA…
- Mercedes-Benz AG (âMBAGâ), the manufacturer of Mercedes-Benz vehicles, has determined that on certain…
Mercedes-Benz AG (âMBAGâ), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2020-2021 GLE-Class and GLS-Class (167 platform) vehicles equipped with Michelin-branded tires, the maximum…
- Mercedes-Benz AG (âMBAGâ), the manufacturer of Mercedes-Benz vehicles, has determined that on certain…
Mercedes-Benz AG (âMBAGâ), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (âMYâ) 2020-2022 A-Class, C-Class, CLAClass, GLA-Class, GLB-Class, GLC-Class, GLE-Class, and…
- Mercedes-Benz AG (âMBAGâ), the manufacturer of Mercedes-Benz, has determined that on certain Model…
Mercedes-Benz AG (âMBAGâ), the manufacturer of Mercedes-Benz, has determined that on certain Model Year (âMYâ) 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, A-Class, C-Class, E-Class, GLB-Class, CLS-Class…
- Complaint ⢠Seats cannot be adjusted ⢠Seats cannot be folded ⢠Seats in the 2nd seat row cannot be…
Complaint ⢠Seats cannot be adjusted ⢠Seats cannot be folded ⢠Seats in the 2nd seat row cannot be locked or unlocked ⢠Normalization cannot be performed in its entirety using XENTRY Cause Under analysis…
NHTSA lists 28 bulletins for this year; the 12 newest are shown here.
Questions and answers
What are the most common problems with the 2021 Mercedes-Benz AMG Gls63s?
There are no owner complaints in the NHTSA data for this year; the data comes from 28 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2021 Mercedes-Benz AMG Gls63s?
NHTSA lists 28 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2021 Mercedes-Benz AMG Gls63s from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2021 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-06.