2007 Mercedes-Benz ML350 problems & reliability
83 owner complaints filed with NHTSA for the 2007 Mercedes-Benz ML350, alongside 2 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
7 complaints report injuries (7 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Seats | 30 | 36% |
| Electrical System | 19 | 23% |
| Power Train | 17 | 20% |
| Steering | 8 | 10% |
| Engine and Engine Cooling | 7 | 8% |
| Structure | 6 | 7% |
| Engine | 5 | 6% |
| Service Brakes | 4 | 5% |
| Exterior Lighting | 3 | 4% |
| Vehicle Speed Control | 3 | 4% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 61,500 miles (middle 50% between 37,675 and 91,663 miles), based on 70 complaints that included mileage.
Complaints by incident year
What owners report
“I bought a 2007 Mercedes-Benz ML350 4Matic in late 2023 from auction with a salvage title and I can't take it to inspection center to get plates, because a lot of things such as signal lights, seats power, key fob, radio, wipers, and rear gate to work because the rear SAM module is damage by rain water, which I found…”
Electrical System · filed Jul 16, 2024
“The contact owned a 2007 Mercedes-Benz ML350. The contact stated that while driving at an undisclosed speed, she depressed the brake pedal and the vehicle failed to stop. The contact stated that his son had to apply pressure and pump the brake pedal multiple times to coast the vehicle to a stop however, the vehicle…”
Service Brakes · filed Oct 6, 2023
“Received recall notice dated August 2022. Phoned local Mercedes Benz of Chicago on 1520 W. North Avenue and Mercedes Benz of Chicago Service Center on 949 N. Elston Ave. Scheduled a mobile inspection multiple times but they never showed. I was instructed to contact Brake Booster Hotline to have them tow the vehicle…”
Service Brakes · filed Feb 17, 2023
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- SEAT BACK WARMER OVERHEATS/BURNS
Preliminary Evaluation PE08030 · opened Apr 25, 2008 · closed Sep 9, 2008
Technical service bulletins
92 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2007 Mercedes-Benz ML350. The 10 most recent:
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…
LI35.30-P-058566 · Service Bulletin/Repair Instructions · issued Jul 14, 2026
Complaint The sliding sunroof glass panel of the panoramic roof reverses during the closing process, either once or multiple times, without an entrapment (anti‑pinch) event being detected. The concern may occur…
LI77.21-P-075806 · Service Bulletin/Repair Instructions · issued Apr 20, 2026
Complaint Headlamp, front fog lamp leaky or fogged. Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the…
LI82.10-P-078301 · Service Bulletin/Repair Instructions · issued Apr 16, 2026
Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, physical fogging does not result in a…
LI82.10-P-078307 · Service Bulletin/Repair Instructions · issued Feb 25, 2026
Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp…
LI82.10-P-078301 · Service Bulletin/Repair Instructions · issued Feb 24, 2026
Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, physical fogging does not result in a…
LI82.10-P-078896 · Service Bulletin/Repair Instructions · issued Feb 24, 2026
Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse (and vice versa). Note: Sound file in…
LI33.30-P-056665 · Service Bulletin/Repair Instructions · issued Nov 15, 2025
Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse (and vice versa). Note: Sound file in…
LI33.30-P-056665 · Service Bulletin/Repair Instructions · issued May 21, 2025
Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, physical fogging does not result in a…
LI82.10-P-078896 · Service Bulletin/Repair Instructions · issued Apr 28, 2025
Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp…
LI82.10-P-078301 · Service Bulletin/Repair Instructions · issued Apr 28, 2025
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2007 Mercedes-Benz ML350 has 2 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2007 Mercedes-Benz ML350?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 61,500 miles — budget accordingly if the car is approaching that mileage.