AI Damage2021 Mercedes-Benz Maybach GLS600: common problems
The maker issued 58 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 58
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 39 |
| Engine and cooling | 0 | 0 | 9 |
| Equipment | 0 | 0 | 8 |
| Steering | 0 | 0 | 5 |
| Suspension | 0 | 0 | 4 |
| Structure | 0 | 0 | 3 |
| Fuel system | 0 | 0 | 2 |
| Seats | 0 | 0 | 2 |
| Visibility | 0 | 0 | 2 |
| Backover prevention | 0 | 0 | 1 |
| Communication | 0 | 0 | 1 |
| Latches, locks, linkages | 0 | 0 | 1 |
| Powertrain | 0 | 0 | 1 |
| Tires | 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.
- Steering. Steering play, power assist, rack and tie rods after a wheel impact.
- Suspension. Wheel alignment, control arms, subframe, even tire wear.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- High-frequency interference noise may be heard from the speakers while driving
This complaint only occurs when "voice amplification" is active. Coupling noise of microphone signal in voice amplification. Intermediate remedy: The interference noise can be remedied by deactivating voice…
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY21-24…
Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY21-24 C-Class, CLA, EQB, EQE, EQS, GLA, GLB, GLC, GLE, GLS, GT, S-Class, and SL (118, 167, 192, 206, 223, 232, 243, 247…
- Work procedure 1
Connect XENTRY Diagnosis. 2. Update left rear seat control unit software. - To do this, select menu item "Quick test view – N32/5 – Left rear electrical seat adjustment – Adaptations – Update of control unit software"…
- Check engine light active and FC P146364 Temp
and pressure sensor B4/7 is stored in Engine control unit and Fuel pump control unit. Software parameter in Fuel pump control unit. Perform software update for Fuel System Control Module (FSCM) N118. New software is…
- Customer concern of Air Conditioning not cooling
Possible refrigerant leak at the evaporator. Perform the following measures and open a TIPS case labeled "167 Evaporator Suspected of Leaking" In the case, please include the following: 1. Attach the Initial Quick Test…
- In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the…
In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA (MBUSA) is extending the coverage for the Fuel System Control…
- IMPORTANT EMISSION EXTENDED WARRANTY INFORMATION In our continuing efforts to assure the proper…
IMPORTANT EMISSION EXTENDED WARRANTY INFORMATION In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC ("MBUSA")…
- This is to notify you of the Service Campaign OTA update for the MBUX system software in 750,313 Model…
This is to notify you of the Service Campaign OTA update for the MBUX system software in 750,313 Model Year (MY) MY19-24 A-Class, CLA, CLS, E-Class, EQB, GLA, GLB, GLC, GLE, GLS, GT 4-door (177, 118, 257, 213, 238…
- The radio station favorites list is no longer present after bus idle Saving process during download…
The radio station favorites list is no longer present after bus idle Saving process during download Perform software update in control unit HU6 in the head unit (A26/17) to version E871.1 (A 247 904 53 00).
- Mercedes-Benz AG (âÃÂÃÂMBAGâÃÂÃÂ), the manufacturer of Mercedes-Benz vehicles, has…
Mercedes-Benz AG (âÃÂÃÂMBAGâÃÂÃÂ), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 21-24 C-Class, EQE, EQS, GLC, GLE, GLS, S-Class, SL (206, 294, 295, 296, 297, 254, 167…
- Mercedes-Benz AG (âÃÂÃÂMBAGâÃÂÃÂ), the manufacturer of Mercedes-Benz vehicles, has…
Mercedes-Benz AG (âÃÂÃÂMBAGâÃÂÃÂ), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY20-23 A-Class, C-Class, CLA, CLS, E-Class, GLA, GLB, GLC, GLE, GLS, AMG GT, S-Class (177…
- After clicking on the "Radio" selection function, the radio does not start and instead a permanent loading…
After clicking on the "Radio" selection function, the radio does not start and instead a permanent loading wheel is displayed. See attached picture for example. Software version Remedy A26/17 - MBUX multimedia system…
NHTSA lists 58 bulletins for this year; the 12 newest are shown here.
Questions and answers
What are the most common problems with the 2021 Mercedes-Benz Maybach GLS600?
There are no owner complaints in the NHTSA data for this year; the data comes from 58 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2021 Mercedes-Benz Maybach GLS600?
NHTSA lists 58 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 Maybach GLS600 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.