2001 Mercedes-Benz C240 Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2001 Mercedes-Benz C240, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Visibility218.2%
- Driver assistance218.2%
- Engine218.2%
- Electrical19.1%
- Airbags19.1%
- Exterior lighting19.1%
- Body & structure19.1%
- Suspension19.1%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Visibility
Reports naming windshields, glass, wipers, defrosters and mirrors.
From owner reports, verbatim
The contact owns a 2001 Mercedes-Benz C240. The contact stated that he was made aware of the NHTSA Campaign Number: 191V18000 (Visibility) after the vehicle was taken through inspection. Additionally, the contact stated that the sliding roof failed to close as designed. As a result, the contact had to remotely open and close the sliding sunroof repeatedly until properly closed. No warning lights were illuminated. The vehicle was taken to the dealer where the vehicle was denied the recall repair however, the contact stated that the vehicle had not been inspected. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage 140,000.
TL* THE CONTACT OWNS A 2001 MERCEDES-BENZ C240. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 19V918000 (VISIBILITY) HOWEVER, THE PART TO DO THE RECALL REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOT MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE. *BF CONSUMER STATED WHENEVER SUNROOF IS OPEN NOISE COULD BE HEARD.*JB
Too few reports in this category for a page of its own — they appear in the full complaint list.
Driver assistance
Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems.
From owner reports, verbatim
ESP LIGHT, INSTRUMENT CLUSTER FADING, ACCELERATION SENSOR AND MULTIPLE LEAKS IN THE ENGINE, POWER STEERING, AXEL SEAL, SPARK PLUGS VALVE LEAKS, OIL LEAKS, TRANS BELL. THE CAR WAS BROUGHT IN FOR AN ESP LIGHT THAT TURNS ON ONCE THE CAR IS IN MOTION, A BURNING SMELL THAT COMES THROUGH THE CAR. MULTIPLE LEAKS DISCOVERED AND THE CLUSTER LIGHTING ALSO FADES OUT ONCE THE CAR HAS BEEN RUNNING FOR A WHILE MAKING THE READINGS UNREADABLE. BENZEL AND BUSCH GENERATED A DIAGNOSTIC THAT DISCOVERED MANY PROBLEMS WITH THE CAR. MBUSA WAS ALSO NOTIFIED OF THE CONCERNS WITH THE ESP LIGHT, THE FADING OF THE INSTRUMENTS AND THE MULTIPLE LEAKS FOR A CAR THAT HAS LESS THAN 55K AND HAS HAD ALL PROPER MAINTENANCE DONE. THEY REFUSED TO CONSIDER ALTHOUGH OTHER VEHICLES SAME YEAR AND MODEL HAD HAD RECALLS FOR SOME OF THESE ITEMS.
NORMAL DRIVING CONDITIONS, THEN VEHICLE AUTOMATICALLY SLAMS ON BRAKES (SOMETIMES ALL 4 WHEELS, SOMETIMES ONLY 1 WHEEL--WHICH CAUSES VEHICLE TO YAW). AT FIRST, THIS PROBLEM WOULD ONLY OCCUR AFTER DRIVING FOR ABOUT 40 MINUTES. NOW IT CAN HAPPEN UP TO 3 MINUTES AFTER STARTING VEHICLE. ON 1 OCCASION SYSTEM CAUSED THE WHEELS TO SKID FOR ABOUT ONE SECOND, WHICH MADE ME LOSE TRACTION. PROBLEM HAPPENS ONLY WHEN VEHICLE IS IN MOTION. INDEPENDENT OF WHETHER ON HIGHWAY OR IN A TURN.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
MY 2001 MERCEDES-BENZ C240 ENGINE COOLING OR SUCTION FAN RUNS CONSTANTLY AT HIGH SPEED NONSTOP AT STARTUP UNTIL VEHICLE IS TURNED OFF. VEHICLE WAS INSPECTED BY DEALER WHO DIAGNOSED THAT THE ELECTRONIC CONTROL UNIT / MODULE (ECU / ECM) OR COOLING / SUCTION FAN WAS BAD AND NEEDED REPLACEMENT. I REPLACED THE ECU 5 TIMES AND THE COOLING / SUCTION FAN ONCE RELYING ON DEALER'S DIAGNOSES. MY C240 WOULD WORK FOR A WHILE BUT THE FAN WOULD MALFUNCTION AGAIN RUNNING CONSTANTLY AT HIGH SPEED. I NOTIFIED MERCEDES BENZ USA OF MULTIPLE FAN MALFUNCTIONS AND THE DEALER'S INABILITY TO FIX THE PROBLEM. I WAS TOLD TO FIND ANOTHER DEALERSHIP IF PROBLEM REOCCURRED. THE PROBLEM REOCCURRED 4 MONTHS LATER WHICH I TOOK C240 TO ANOTHER DEALERSHIP FOR REPAIRS. THIS OTHER DEALERSHIP DIAGNOSED THAT THE ECU WAS BAD AND FOUND A 2004 TECHNICAL SERVICE BULLETIN (TSB) P-B-20.40/26A THAT ADDRESSES THE SPECIFIC ISSUE WITH MY VEHICLE. TSB STATES PROBLEM MAY BE CAUSED BY THE WIRING HARNESS BETWEEN THE ECU AND ENGINE FAN OR THE ENGINE CONTROL UNIT FAN END STAGE MALFUNCTIONING. THERE MAYBE A CODE P2073 (004). THE ADAPTER WIRING HARNESS PART NUMBER IS A209 540 56 35. THE VEHICLE WAS REPAIRED ACCORDING TO THE TSB WHICH SAYS TO CHECK WIRE CONTINUITY, REPLACE ECU, AND INSTALL HARNESS ADAPTER ONLY. MY FAN WAS ALSO REPLACED ALTHOUGH TSB DID NOT STATE TO REPLACE FAN. NO ADDITIONAL TEST WAS PERFORMED TO SHOW THAT FAN WAS BAD. IT WAS REPLACED TO WARRANT THE ECU. MERCEDES-BENZ USA SAYS MY C240 IS NOT COVERED BY TSB P-B-20.40//26A OR P-B-20.40/33 AND NO OTHER TSB EXIST THAT SPECIFICALLY ADDRESS THIS SAME ISSUE FOR MY VEHICLE. I HAVE FOUND MANY C240 AND C-CLASS (W203) OWNERS' COMPLAINTS ABOUT THE EXACT SAME PROBLEM BEYOND THE MODELS MENTIONED IN THE ABOVE 2 TSBS. MERCEDES BENZ IS CONCEALING THAT TSBS EXIST TO ADDRESS SAME ISSUE WITH C240 AND OTHER W203 VEHICLES OR IT WAS AWARE OF PROBLEM FROM CONSUMER COMPLAINTS.
ESP LIGHT, INSTRUMENT CLUSTER FADING, ACCELERATION SENSOR AND MULTIPLE LEAKS IN THE ENGINE, POWER STEERING, AXEL SEAL, SPARK PLUGS VALVE LEAKS, OIL LEAKS, TRANS BELL. THE CAR WAS BROUGHT IN FOR AN ESP LIGHT THAT TURNS ON ONCE THE CAR IS IN MOTION, A BURNING SMELL THAT COMES THROUGH THE CAR. MULTIPLE LEAKS DISCOVERED AND THE CLUSTER LIGHTING ALSO FADES OUT ONCE THE CAR HAS BEEN RUNNING FOR A WHILE MAKING THE READINGS UNREADABLE. BENZEL AND BUSCH GENERATED A DIAGNOSTIC THAT DISCOVERED MANY PROBLEMS WITH THE CAR. MBUSA WAS ALSO NOTIFIED OF THE CONCERNS WITH THE ESP LIGHT, THE FADING OF THE INSTRUMENTS AND THE MULTIPLE LEAKS FOR A CAR THAT HAS LESS THAN 55K AND HAS HAD ALL PROPER MAINTENANCE DONE. THEY REFUSED TO CONSIDER ALTHOUGH OTHER VEHICLES SAME YEAR AND MODEL HAD HAD RECALLS FOR SOME OF THESE ITEMS.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
TL* THE CONTACT OWNS A 2001 MERCEDES BENZ C 240. THE CONTACT STATED WHILE DRIVING 5 MPH, THE BRAKE LIGHTS ILLUMINATED AND EXCESSIVE FORCE WAS REQUIRED IN ORDER TO ACCELERATE. THE FAILURE RECURRED ON NUMEROUS OCCASIONS. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC. THE TECHNICIAN DIAGNOSED THAT THE ESP CONTROL NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 170,000.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Airbags
Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.
From owner reports, verbatim
IN DECEMBER 2017, I WAS DRIVING ALONG A CITY STREET WHEN THE DRIVER'S FRONT AIRBAG SUDDENLY DEPLOYED. MY CAR WAS WELL-MAINTAINED, WITH MILEAGE OF 28,520. IT APPEARS THE SUSPENSION (LOWER BALL JOINT) ON THE RIGHT SIDE FAILED, CAUSING THE RIGHT FRONT TIRE TO BLOW OUT AND CAUSING DAMAGE TO THE LEFT FRONT TIRE AS WELL. THERE WAS NO COLLISION, YET THE AIRBAG DEPLOYED WITH AN EXTREMELY LOUD BANG THAT SERIOUSLY DAMAGED MY HEARING, PERHAPS PERMANENTLY. AN ONLINE SEARCH INDICATES THAT MERCEDES HAS HAD PROBLEMS WITH AIRBAGS DEPLOYING UNNECESSARILY, BUT I HAVE NEVER RECEIVED NOTICE OF A RECALL.*JS
Too few reports in this category for a page of its own — they appear in the full complaint list.
Exterior lighting
Reports naming headlights, tail lights, turn signals and other exterior lighting.
From owner reports, verbatim
ESP LIGHT, INSTRUMENT CLUSTER FADING, ACCELERATION SENSOR AND MULTIPLE LEAKS IN THE ENGINE, POWER STEERING, AXEL SEAL, SPARK PLUGS VALVE LEAKS, OIL LEAKS, TRANS BELL. THE CAR WAS BROUGHT IN FOR AN ESP LIGHT THAT TURNS ON ONCE THE CAR IS IN MOTION, A BURNING SMELL THAT COMES THROUGH THE CAR. MULTIPLE LEAKS DISCOVERED AND THE CLUSTER LIGHTING ALSO FADES OUT ONCE THE CAR HAS BEEN RUNNING FOR A WHILE MAKING THE READINGS UNREADABLE. BENZEL AND BUSCH GENERATED A DIAGNOSTIC THAT DISCOVERED MANY PROBLEMS WITH THE CAR. MBUSA WAS ALSO NOTIFIED OF THE CONCERNS WITH THE ESP LIGHT, THE FADING OF THE INSTRUMENTS AND THE MULTIPLE LEAKS FOR A CAR THAT HAS LESS THAN 55K AND HAS HAD ALL PROPER MAINTENANCE DONE. THEY REFUSED TO CONSIDER ALTHOUGH OTHER VEHICLES SAME YEAR AND MODEL HAD HAD RECALLS FOR SOME OF THESE ITEMS.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Body & structure
Reports naming the vehicle structure, frame, body panels, doors, hood and trim.
From owner reports, verbatim
THE PANORAMIC SUNROOF ON MY 2001 MERCEDES BENZ C240 SHATTERED OR EXPLODED WHILE I WAS DRIVING AT A HIGHWAY SPEED OF 55 MPH. IT SOUNDED LIKE A GUNSHOT AND THE GLASS WAS SHATTERED OVER THE PASSENGER AND REAR SEATS. NO ONE WAS SITTING IN THOSE SEATS FORTUNATELY. MERCEDES DEALER SAYS THERE IS NO RECALL OR WARRANTY FOR THIS SAFETY ISSUE TO DATE. I WILL HAVE TO PAY OUT OF POCKET $1500.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Suspension
Reports naming suspension components — springs, struts, shocks, control arms and related hardware.
From owner reports, verbatim
IN DECEMBER 2017, I WAS DRIVING ALONG A CITY STREET WHEN THE DRIVER'S FRONT AIRBAG SUDDENLY DEPLOYED. MY CAR WAS WELL-MAINTAINED, WITH MILEAGE OF 28,520. IT APPEARS THE SUSPENSION (LOWER BALL JOINT) ON THE RIGHT SIDE FAILED, CAUSING THE RIGHT FRONT TIRE TO BLOW OUT AND CAUSING DAMAGE TO THE LEFT FRONT TIRE AS WELL. THERE WAS NO COLLISION, YET THE AIRBAG DEPLOYED WITH AN EXTREMELY LOUD BANG THAT SERIOUSLY DAMAGED MY HEARING, PERHAPS PERMANENTLY. AN ONLINE SEARCH INDICATES THAT MERCEDES HAS HAD PROBLEMS WITH AIRBAGS DEPLOYING UNNECESSARILY, BUT I HAVE NEVER RECEIVED NOTICE OF A RECALL.*JS
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .