MERCEDES-BENZ C350 · model year

2007 MERCEDES-BENZ C350

7 NHTSA complaints for this specific cohort.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

The 2007MERCEDES-BENZC350 carries 7 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 1 injury, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.

Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2007 C350 is fuel/propulsion system with 3 filings, followed by engine (2) and fuel system, gasoline (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.

NHTSA currently has 15 investigation files overlapping the 2007 C350. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.

7
Complaints
0
Crashes
0
Fires
1
Injuries
0
Deaths

Total Complaints

7 filings

Crashes Reported

0 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

At or below the fleet median complaint volume.

Complaints by Component

ComponentCount
FUEL/PROPULSION SYSTEM3
ENGINE2
FUEL SYSTEM, GASOLINE1
SERVICE BRAKES, HYDRAULIC:FLUID1

Recent Complaints

20180329ENGINE

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.

Mileage: 150,000

20151104SERVICE BRAKES, HYDRAULIC:FLUID

TL* THE CONTACT OWNS A 2007 MERCEDES BENZ C350. 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 VEHICLE WAS NOT REPAIRED AND THE SERVICE ENGINE WARNING LAMP WAS STILL ILLUMINATED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 12,407. UPDATED 02/23/16*LJ THE CONSUMER STATED THE SEAL RING, BALANCE SHAFT AND BRAKE FLUID WERE REPLACED. UPDATED 02/24/16.*JB

Mileage: 12,407

20151104ENGINE

TL* THE CONTACT OWNS A 2007 MERCEDES BENZ C350. 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 VEHICLE WAS NOT REPAIRED AND THE SERVICE ENGINE WARNING LAMP WAS STILL ILLUMINATED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 12,407. UPDATED 02/23/16*LJ THE CONSUMER STATED THE SEAL RING, BALANCE SHAFT AND BRAKE FLUID WERE REPLACED. UPDATED 02/24/16.*JB

Mileage: 12,407

20150701FUEL/PROPULSION SYSTEM

TL* THE CONTACT OWNS A 2007 MERCEDES BENZ C350. 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. THE FAILURE MILEAGE WAS 170,000.

Mileage: 170,000

20141124FUEL/PROPULSION SYSTEM

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. THE FAILURE MILEAGE WAS 38,000. UPDATED 12/30/14*CN UPDATED 05/27/2015 *JS

Mileage: 38,000

20141110FUEL/PROPULSION SYSTEM

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. *TR

Mileage: 90,800

20140418FUEL SYSTEM, GASOLINE

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. *TR

Compare 2007MERCEDES-BENZC350 to Similar Vehicles

NHTSA Investigations

View all investigations

Frequently Asked Questions

How many complaints does the 2007 MERCEDES-BENZ C350 have?
The 2007 MERCEDES-BENZ C350 has 7 NHTSA complaints, 0 crashes, 0 fires, 1 injuries, and 0 deaths reported.
What are the most common problems with the 2007 MERCEDES-BENZ C350?
The most-complained component for the 2007 MERCEDES-BENZ C350 is FUEL/PROPULSION SYSTEM with 3 complaints. Other frequently reported areas include ENGINE and FUEL SYSTEM, GASOLINE.
Is the 2007 MERCEDES-BENZ C350 safe to buy?
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.

Vehicle Safety Guides

Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.