AI Damage2007 Mercedes-Benz C350: common problems
Owners of the 2007 Mercedes-Benz C350 filed 6 complaints with NHTSA, most often about fuel/propulsion system and engine. Details by component below, with sources.
Key figures
- Owner complaints
- 6
What fails most often
- 1 Fuel/propulsion system 50% of all complaints
- 2 Engine 33% of all complaints
- 3 Fuel system 17% of all complaints
- 4 Service brakes 17% of all complaints
- Fuel/propulsion system: 3 complaints (50% of all).
- Engine: 2 complaints (33% of all).
- Fuel system: 1 complaints (17% of all).
- Service brakes: 1 complaints (17% of all).
Symptoms owners describe
How many of the 6 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Fuel/propulsion system | 3 | 0 | 0 |
| Engine | 2 | 0 | 0 |
| Fuel system | 1 | 0 | 0 |
| Service brakes | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
The check engine light is on in my car because of a camshaft solenoid problem. Had solenoids all replaced and now dealer is asking for $2300 to $3000 for problem to be fixed after all new parts have been put in.
The contact stated that the service engine warning light randomly flashed. As the failure progressed, the warning light remained illuminated. The vehicle was taken to the dealer more than five times and they were not able to remedy the failure after several repairs.
The contact noticed fuel leaking from the vehicle and smelled fuel throughout the vehicle. The check engine light illuminated. The vehicle was taken to an independent mechanic where it was diagnosed that the fuel tank needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure.
Tl* the contact owns a 2007 mercedes c350. The contact stated that after starting or turning off the vehicle, gasoline fuel fumes emitted into the vehicle. The vehicle was taken to the dealer. The technician diagnosed that the fuel tank needed to be replaced. The manufacturer was not made aware of the issue.
Took my 2007 mercedes e350 to the dealership after smelling gas the last few times I filled up. Crack in the seam of the fuel tank. $3700!!!! How much is mercedes paying to not have a recall this is bs.
Fuel pump failed while driving, car would no longer operate. Had very bad headaches for about a week leading up to the pump failure while driving the car.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 13,281 of 36,659 model years in the NHTSA data (top 36% most complained about).
On average one model year of the C350 has 28 complaints (13 years in the data). This year has 6, below average.
What to check before buying
- Fuel/propulsion system. Fuel smell, leaks, rough running, fuel-system codes.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Fuel system. Fuel smell, leaks, rough running, fuel-system codes.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
Other years of this model
Questions and answers
What are the most common problems with the 2007 Mercedes-Benz C350?
Owner complaints to NHTSA most often mention: fuel/propulsion system, engine, fuel system. Total complaints: 6. The most frequent symptoms in complaint texts: warning lights, check engine (50%), fuel system, fuel smell (33%).
How many service bulletins (TSB) were issued for the 2007 Mercedes-Benz C350?
NHTSA lists 0 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 2007 Mercedes-Benz C350 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 2007 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.