2006 Mercedes-Benz ML350 problems & reliability
171 owner complaints filed with NHTSA for the 2006 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.
10 complaints report injuries (10 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Power Train | 43 | 25% |
| Engine | 36 | 21% |
| Electrical System | 29 | 17% |
| Engine and Engine Cooling | 17 | 10% |
| Steering | 16 | 9% |
| Seats | 14 | 8% |
| Service Brakes | 11 | 6% |
| Air Bags | 9 | 5% |
| Exterior Lighting | 9 | 5% |
| Service Brakes, Hydraulic | 7 | 4% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 70,000 miles (middle 50% between 51,043 and 95,500 miles), based on 131 complaints that included mileage.
Complaints by incident year
What owners report
“After starting the car, two messages appeared on the dash board. Center Gauge read: SRS Restraint System Malfunction Service Required Fuel Gauge read: SRS (in red) Took the car to our certified mechanic. After his diagnostic check- He said it was the Air Bag Module is out. Needs to be replaced at Mercedes Dealership.”
Electrical System · filed May 14, 2025
“The contact owns a 2006 Mercedes-Benz ML350. The contact received notification of NHTSA Campaign Number: 24V298000 (Service Brakes, Hydraulic) and the vehicle was taken to the dealer for the recall repair. The contact stated that upon starting the vehicle a week later, the brake warning light and the check engine…”
Service Brakes, Hydraulic · filed Feb 7, 2025
“My car was included in the balance right shaft recall as 2nd owner I was just made aware as a result my check engine light came on. It was also learned that the car was included in faulty “balance shaft”. I should be included because my car has same diagnosis as defective equipment”
Power Train · filed Jan 9, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
99 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2006 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 2006 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 2006 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 70,000 miles — budget accordingly if the car is approaching that mileage.