AI Damage2025 Mercedes-Benz G 550: common problems
The maker issued 67 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 67
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 34 |
| Engine | 0 | 0 | 7 |
| Structure | 0 | 0 | 7 |
| Powertrain | 0 | 0 | 5 |
| Backover prevention | 0 | 0 | 4 |
| Exterior lighting | 0 | 0 | 4 |
| Visibility | 0 | 0 | 4 |
| Service brakes | 0 | 0 | 3 |
| Forward collision avoidance | 0 | 0 | 1 |
| Lane departure | 0 | 0 | 1 |
| Suspension | 0 | 0 | 1 |
| Other | 0 | 0 | 4 |
Comparison
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Complaint Clanking noise from the area of the speakers in the doors
Cause Under analysis. Remedy To narrow down the cause, first of all remove the door trim. • If the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and…
- Complaint Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE
Although the symptom is similar to a tire or wheel vibration, it is usually readily noticeable that it is distinctly different if it happens at all times or only while braking. Cause Although the cause of the vibration…
- Complaint CEL light on with no drivability concerns. Cause Signal timing error. Remedy 167, 465
SW has been released. Update the FSAM to the latest SW version. 290, 118, 243, 247: Software is still in development. This fault code does not cause a drivability concern and will clear itself within 2‑ 3 key cycles…
- Cause Internal failure of the scroll wheel within the AC compressor
Remedy Check the compressor's index and part number Figure 1 against Table 1. If listed please perform the following: 1. Replace the compressor, drier, and expansion valve using the applicable WIS instructions. 2…
- Complaint Consistently reproducible erroneous parktronic warnings from front with every key cycle
Cause The parking sensors are detecting the front brush guard. Remedy Complaint must be consistently reproducible and can occur multiple times a key cycle without obvious cause. NOTE: The parking system serves solely…
- Complaint 1
General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. Cameras 6. Other Park Topics. Cause Various root…
- Complaint CEL light on with no drivability concerns. Cause Signal timing error. Remedy 167, 465
SW has been released. Update the FSAM to the latest SW version. 290, 118, 243, 247: Software is still in development. This fault code does not cause a drivability concern and will clear itself within 2-3 key cycles…
- Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end)
The noise is heard once in each instance when changing direction of travel. Note: Sound file in attachment Cause If the complaint is eliminated by experimentally loosening the outboard collar nut (by 1 turn), the…
- Complaint 1
"Perform vehicle handover" in the workshop menu to start the maintenance computer for service A/B cannot be carried out. 2. Service confirmation is not possible because "Perform vehicle handover" is displayed. This…
- Complaint CEL light on with no drivability concerns. Cause Signal timing error. Remedy 167
SW has been released. Update the FSAM to the latest SW version. 465, 290, 118, 243, 247: Software is still in development. This fault code does not cause a drivability concern and will clear itself within 2-3 key…
- Complaint CEL light on with no drivability concerns. Cause Signal timing error. Remedy 167
SW has been released. Update the FSAM to the latest SW version. 465, 290: Software is still in development. This fault code does not cause a drivability concern and will clear itself within 2-3 key cycles. The vehicle…
- Complaint Service code B1 displayed in the customer menu does not match the workshop code displayed in the…
Complaint Service code B1 displayed in the customer menu does not match the workshop code displayed in the workshop menu, e.g., 505 or 550A, which includes a service A. Cause The root cause is currently being…
NHTSA lists 67 bulletins for this year; the 12 newest are shown here.
Other years of this model
Questions and answers
What are the most common problems with the 2025 Mercedes-Benz G 550?
There are no owner complaints in the NHTSA data for this year; the data comes from 67 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2025 Mercedes-Benz G 550?
NHTSA lists 67 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 2025 Mercedes-Benz G 550 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 2025 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 2026-11-05.