Total Complaints
25 filings
MERCEDES-BENZ C-CLASS · model year
25 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2001MERCEDES-BENZC-CLASS carries 25 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, 0 injuries, 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 2001 C-CLASS is electrical system with 4 filings, followed by exterior lighting (2) and suspension (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 2001 C-CLASS. 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.
Total Complaints
25 filings
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| ELECTRICAL SYSTEM | 4 |
| EXTERIOR LIGHTING | 2 |
| SUSPENSION | 1 |
| WHEELS:RIM | 1 |
| ENGINE AND ENGINE COOLING | 1 |
| ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH | 1 |
| ELECTRICAL SYSTEM:HORN | 1 |
| ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD | 1 |
| VISIBILITY:POWER WINDOW DEVICES AND CONTROLS | 1 |
| VISIBILITY:SUN/MOON ROOF ASSEMBLY | 1 |
| SERVICE BRAKES, HYDRAULIC | 1 |
| VISIBILITY:WINDSHIELD WIPER/WASHER | 1 |
| POWER TRAIN:CLUTCH ASSEMBLY | 1 |
| AIR BAGS | 1 |
| EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC. | 1 |
BATTERY DRAIN, SEEMS TO COME FROM DEFECT IN SEAT CONTROLLER MODULE. SEE 19 PAGES OF FORUM: HTTP://WWW.BENZWORLD.ORG/FORUMS/W203-C-CLASS/1196568-MERCEDES-C320-BATTERY-DRAIN-11.HTML MERCEDES C240 2001, BUT MANY OTHER MODELS AND YEARS AFFECTED. *TR
Mileage: 93,100
2001 MERCEDES C240. MY WIFE WAS DRIVING UNDER NORMAL CONDITIONS AND THE ACCELERATOR FAILED. THE ENGINE WOULD GO FULL THROTTLE WHEN IN GEAR. SHE HAD TO CALL A TOW TRUCK TO HAVE IT TOWED TO MECHANIC. HE FOUND THE CAR COMPUTER HAD SAID THE ELECTRONIC ACCELERATOR WAS BAD. A NEW ACCELERATOR WAS PUT IN AND NO MORE PROBLEM. *TR
Mileage: 1,284,000
MERCEDEZ BENZ C 240 YEAR 2001 HAS MANY DEFECTS THAT REQUIRED SEVERAL THOUSANDS OF DOLLARS . THE DEALERSHIP AND THE MANUFACTURER DID NOT PROVIDE ANY HELP.*CW
Mileage: 100,000
APRIL NOV 2004, I PURCHASED A 2001 C240 MERCEDES FROM PRINCETON MERCEDES IN NEW JERSEY. ONE MONTH AFTER DRIVING THE CAR SLOWED DOWN AS IF IT WOULD NOT ACCELERATED. I HAD TO TAKE IT BACK IN FOR REPAIR. THEY TOLD THEY COULD NOT FIND A PROBLEM. HOWEVER 4/19/08 I EXPERIENCED THE SAME PROBLEM OF DECELERATION WHILE DRIVING I WAS TOLD THIS TIME THAT IT WAS TRANSMISSION CONTROL UNIT. I HAVE BEEN RESEARCHING AND I BELIEVED THAT THIS WAS THE PROBLEM 4 YEARS AGO; HOWEVER THEY DID NOT WAS TO CORRECT THE PROBLEM. I WANT TO KNOW WAS THERE A RECALL FOR THIS SPECIFIC TRANSMISSION CONTROL UNIT ON THESE TYPES OF CARS. I HAVE BEEN IN SEVERAL CHAT ROOMS AND THERE ARE VARIOUS COMPLAINTS REGARDING THIS TYPE OF PROBLEM. THE CAR WILL STOP IN TRAFFIC OR ON THE FREEWAY WITHOUT NOTICE. AT THE TIME OF THE INCIDENT I WAS ABLE TO PULL OVER TO A GAS STATION: HOWEVER WHAT WOULD HAPPEN IF THERE WAS MAJOR TRAFFIC BUMPER TO BUMPER. I WANT THIS PROBLEM RESEARCHED. I BELIEVED THAT MERCEDES KNEW ABOUT A FLAW WITH THIS
Mileage: 11,400
TL*THE CONTACT OWNS A 2001 MERCEDES BENZ C240. THE CONTACT STATED THAT THE CHECK ENGINE INDICATOR ILLUMINATED ON THE INSTRUMENT PANEL. THE DEALER STATED THAT THE FAILURE WAS DUE TO A CRANKSHAFT CENTER AND THERMOSTAT ISSUE. THE CRANKSHAFT CENTER CAUSED THE VEHICLE TO OVERHEAT AND IT WOULD NOT START UNTIL THE ENGINE COOLED OFF. THE DEALER STATED THAT THE REPAIR WOULD COST $700. A DIAGNOSTIC WAS PERFORMED, WHICH SHOWED THAT ADDITIONAL REPAIRS WOULD ALSO BE NEEDED. THE MANUFACTURER STATED THAT THERE WAS NO WARRANTY; THEREFORE, THE CONTACT WOULD BE RESPONSIBLE FOR THE REPAIR COST. THE FAILURE MILEAGE WAS 72,193.
Mileage: 72,193
STALLING IN TRAFFIC CAUSED BY FAILURE OF CRANKSHAFT POSITION SENSOR. *TR
Mileage: 115,000
THE AIR CONDITIONING SYSTEM FAILED IN THE C-240, 2006. I CALLED FOR AN APPOINTMENT FOR DIAGNOSIS, AND WAS GIVEN A DATE THAT PUT THE CAR JUST OUT OF EXTENDED WARRANTY COVERAGE. I DISCOVERED THIS AFTER THE FACT. I HAD ASSUMED THAT THE AIR CONDITIONER JUST NEEDED CHARGING AGAIN, AND WOULD NOT BE COVERED. IF I HAD ANY IDEA THAT IT WAS GOING TO BE A $3,000.00 FOR REPAIRS. I WOULD HAVE RUSHED BACK IN DECEMBER 2005 WHEN THE PROBLEM STARTED WITH FOGGED WINDOWS.*AK
Mileage: 75,000
2001 C240 CEILING FABRIC SAGS. *TS THE FABRIC IN THE CONSUEMR'S DAUGHTER IN LAWS 2002 C240 ALSO SAGS ANS IS ONLY BEING HELP UP BY THE INTERIOR LIGHT***NAR***
VARIOUS PROBLEMS WITH 2001 MERCEDES C240. *MR THE KEYLESS ENTRY REMOTE FAILED INTERMITTENTLY. THE WINDSHIELD WASHER AIMED TOO HIGH. THE FM RADIO RECEPTION WAS POOR. THE CLUTCH WAS RUBBING. THE SRS LIGHT ILLUMINATED ON THE DASH.
Mileage: 10,168
VARIOUS PROBLEMS WITH 2001 MERCEDES C240. *MR THE KEYLESS ENTRY REMOTE FAILED INTERMITTENTLY. THE WINDSHIELD WASHER AIMED TOO HIGH. THE FM RADIO RECEPTION WAS POOR. THE CLUTCH WAS RUBBING. THE SRS LIGHT ILLUMINATED ON THE DASH.
Mileage: 10,168
VARIOUS PROBLEMS WITH 2001 MERCEDES C240. *MR THE KEYLESS ENTRY REMOTE FAILED INTERMITTENTLY. THE WINDSHIELD WASHER AIMED TOO HIGH. THE FM RADIO RECEPTION WAS POOR. THE CLUTCH WAS RUBBING. THE SRS LIGHT ILLUMINATED ON THE DASH.
Mileage: 10,168
VARIOUS PROBLEMS WITH 2001 MERCEDES C240. *MR THE KEYLESS ENTRY REMOTE FAILED INTERMITTENTLY. THE WINDSHIELD WASHER AIMED TOO HIGH. THE FM RADIO RECEPTION WAS POOR. THE CLUTCH WAS RUBBING. THE SRS LIGHT ILLUMINATED ON THE DASH.
Mileage: 10,168
AFTER LEAVING MY 2001 CLK320 MERCEDES AT THE DEALERSHIP I WAS NOTIFIED THAT MY BRAKE SYSTEM WAS DEFECTIVE REQUIRING PADS/ROTORS AND OTHER RELATED ITEMS ALONG WITH THE FACT THAT EVERY 1000 MILES OR SO, A LIGHT BULB OR SOMETHING ELECTRICAL WILL FAIL AND I USUALLY FIND THE NEAREST DEALERSHIP AND GET THE PROBLEM FIXED. THE BRAKE SYSTEM (WHICH IS NOT UNDER WARRANTY) WAS THE LAST STRAW! WE ARE TALKING ABOUT A 50,000 DOLLAR AUTOMOBILE WITH ONLY A LITTLE OVER 17,000 MILES ON IT.
Mileage: 17,700
AFTER LEAVING MY 2001 CLK320 MERCEDES AT THE DEALERSHIP I WAS NOTIFIED THAT MY BRAKE SYSTEM WAS DEFECTIVE REQUIRING PADS/ROTORS AND OTHER RELATED ITEMS ALONG WITH THE FACT THAT EVERY 1000 MILES OR SO, A LIGHT BULB OR SOMETHING ELECTRICAL WILL FAIL AND I USUALLY FIND THE NEAREST DEALERSHIP AND GET THE PROBLEM FIXED. THE BRAKE SYSTEM (WHICH IS NOT UNDER WARRANTY) WAS THE LAST STRAW! WE ARE TALKING ABOUT A 50,000 DOLLAR AUTOMOBILE WITH ONLY A LITTLE OVER 17,000 MILES ON IT.
Mileage: 17,700
STEERING WHEEL LOOSE AND MAKING NOISE WHEN TURNING RIGHT OR LEFT, DEALER FOUND POWER STEERING PUMP LEAKING AND WAS REPLACED. NEXT DAY ENGINE LIGHT ON,ABS SYSTEM FAILS, ESP ELEC,STABILITY,PROGRAM FAILS, BAS BRAKE ASSIST SYSTEM FAILS, THE CAR DOES NOT CHANGE GEAR AND WOULD NOT PICK UP SPEED EVENTHOUGH I'M PRESSING HARD ON THE GAS PEDAL. DEALER ATTEMPTED FIXING THE PROBLEM 4X AND STILL THERE FOR THE 5TH TIME. EACH TIME THEY FIND DIFFERENT CAUSES LIKE CRACKED THRUST ARMS AND WAS REPLACED. THEN THEY SAID THERE'S AN OPEN CIRCUIT AT THE RIGHT SPEED CENSOR AND THEY REPLACED RIGHT REAR SPEED SENSOR.ANOTHER CAUSE FOUND CRANKSHAFT POSITION SENSOR OPEN CIRCUIT.. IGNITION SYSTEM REPLACED. *AK
Mileage: 31,384
VEHICLE BREAKDOWNS. *JB
VEHICLE BREAKDOWNS. *JB
VEHICLE BREAKDOWNS. *JB
VEHICLE BREAKDOWNS. *JB
VEHICLE BREAKDOWNS. *JB
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.
Read our methodology — how this data is sourced, computed, and verified.