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2001 Mercedes Benz C320

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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When problems were reported

Mileage at the reported incident

48 reports with mileage · 15 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Electrical System. Review the 26 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Seats. Review the 19 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 11 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

3 crash reports1 fire reports0 injury reports

Electrical System complaints

26 reports
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Mileage unknown · Oct 12, 2005
Electrical SystemEngine And Engine CoolingEquipment

BEGINNING ON 10/18/01 TO PRESENT, THIS VEHICLE HAS BEEN TAKEN INTO THE DEALERSHIP 34 DIFFERENT TIMES FOR THE FOLLOWING REASONS: (1) REMOTE INOP - 10/18/01; (2) REMOTE INOP - 11/14/01; (3) REPLACED REMOTE - 12/3/01; (4) REMOTE INOP - 12/11/01; (5) REPLACED FRONT PADS & SENSORS - 12/26/02; (6) REPLACED RIGHT FRONT DOOR WINDOW M…

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BEGINNING ON 10/18/01 TO PRESENT, THIS VEHICLE HAS BEEN TAKEN INTO THE DEALERSHIP 34 DIFFERENT TIMES FOR THE FOLLOWING REASONS: (1) REMOTE INOP - 10/18/01; (2) REMOTE INOP - 11/14/01; (3) REPLACED REMOTE - 12/3/01; (4) REMOTE INOP - 12/11/01; (5) REPLACED FRONT PADS & SENSORS - 12/26/02; (6) REPLACED RIGHT FRONT DOOR WINDOW MOTOR - 4/24/03; (7) REPLACED REMOTES - 5/15/03; (8) REPLACED CRANKSHAFT SENSOR & CONNECTOR MODULE - 12/2/03; (9) REPLACED FAULTY REAR SAM CONTROL MODULE - 12/2/03; (10) REPLACED A/C PRESSURE SWITCH - 12/2/03; (11) REPLACED AIR MASS METER SENSOR - 12/11/03; (12) REPLACED RIGHT DOOR WINDOW REGULATOR - 1/5/04; (13) REPLACED REAR SHADE ROLLER BLIND - 1/5/04; (14) REPLACED SIDE BAG CONNECTOR ALL DOORS - 1/9/04; (15) REPLACED RIGHT FRONT DOOR WINDOW SEAL - 2/27/04; (16) REPLACED OIL LEVEL SENSOR & RESEALED OIL PAN - 4/28/04; (17) REPLACED SWAY BAR BUSHING AND CASTER ARMS - 4/28/04; (18) RESEALED ELEC PLUG FOR TRANS - 4/28/04; (19) REPLACED RIGHT REAR DOOR LINKAGE AND KNOB - 7/22/04; (20) REPLACED A/C BLOWER & FAN SPEED REGULATOR - 8/23/04; (21) REPLACED RIGHT REAR DOOR WINDOW REGULATOR - 8/23/04; (22) REPLACED MOUNTING CLIPS & BEARINGS DRIVER SEAT - 8/23/04; (23) REPLACED RIGHT REAR DOOR WINDOW MOTOR - 2/7/05; (24) LOW OIL LIGHT ON, CHANGED OIL & FILTER - 2/7/05; (25) REPLACED OIL SENDING UNIT - 3/17/05; (26) REPLACED RIGHT FRONT SEAT CONTROL MODULE - 5/20/05; (27) REPLACED ALTERNATOR AND REGULATOR - 5/20/05; (28) REPLACED DRIVER SIDE SEAT CLAMPS & PINS - 5/20/05; (29) REPLACED BRAKE PADS, SHOES, ROTORS AND DISC - 5/20/05; (30) REPLACED LEAKING TRANS PLUG AND LEAKING PAN GASKET - 5/20/05; (31) FUEL GAUGE INOP - 6/27/05. AT PRESENT "REMOTE WILL NOT OPEN TRUNK & MALFUNCTION (ELECT STAB PROG ESP) IS ON. I HAVE ASKED THAT VEHICLE BE REPLACED WITH A RELIABLE VEHICLE OF SAME TYPE AND MILEAGE, HQ MERCEDES LLC HAS REFUSED ON 2 OCCASIONS. I HAVE CONTACT WITH THE DEPT OF CONSUMER AFFAIRS.*JB

NHTSA ODI #10139391

50,500 miles · Aug 3, 2005
Electrical SystemEquipmentExterior Lighting

DT: CONSUMER WENT TO START THE VEHICLE AND DISCOVERED THAT ELECTRICAL COMPONENTS SUCH AS NAVIGATION, RADIO/CD, TELEPHONE, VOICE COMMAND, GAS GAUGES, AND POWER WINDOWS WERE NOT WORKING. SINCE THEN THE BRAKE LIGHTS AND TURN SIGNALS WERE REPLACED TWICE, AND WILL BE REPLACED THE THIRD TIME IN LESS THAN A YEAR. TOOK VEHICLE TO …

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DT: CONSUMER WENT TO START THE VEHICLE AND DISCOVERED THAT ELECTRICAL COMPONENTS SUCH AS NAVIGATION, RADIO/CD, TELEPHONE, VOICE COMMAND, GAS GAUGES, AND POWER WINDOWS WERE NOT WORKING. SINCE THEN THE BRAKE LIGHTS AND TURN SIGNALS WERE REPLACED TWICE, AND WILL BE REPLACED THE THIRD TIME IN LESS THAN A YEAR. TOOK VEHICLE TO A DEALER AND CONTACTED MERCEDES ,WHO SAID THEY COULD REPLACE NAVIGATION AND THE RADIO/CD WHICH S\WERE CONNECTED BY SAME COMPUTER FOR $3,000. DEALER DID NOT KNOW WHY THIS HAPPENED, BUT THERE WAS AN ELECTRICAL SHORT. HAVE NOT BEEN REPLACED OR REPAIRED.*AK

NHTSA ODI #10131420

Mileage unknown · Jul 21, 2004
Electrical SystemEquipmentExterior Lighting

THIS HAS BEEN ONGOING FOR 3 YEARS. I HAVE A MERCEDES BENZ C320. I HAVE HAD INTERMITTENT AIR CONDITIONER AND HEATER. MY ELECTRONIC KEYS HAVE BEEN INTERMITANT. THERE IS A SQUEAKING SOUND FROM THE SUSPENSION. I GET MALFUNCTION MESSAGES WHEN THERE IS NO MALFUNCTION. MY REAR-LIGHTS HAVE HAD TO BE REPLACED REGULARLY. *LA

NHTSA ODI #10082368

80,069 miles · May 25, 2004
Electrical System

INTERMITTENT HORN - 2001 MERCEDES BENZ C320 I TURN TO YOU FOR ANY HELP AND/OR ADVICE YOU CAN PROVIDE. WHILE ON AN INTERSTATE DRIVING MY HORN GOES OFF. IT WAS HUMOROUS AT FIRST AS I THOUGHT IT WAS SOMEONE ELSE. THE HORN SOUNDED CONSTANTLY FOR ABOUT 15 MINUTES THEN WENT OFF FOR THE NEXT HOUR WHENEVER IT FELT LIKE IT. NO ERR…

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INTERMITTENT HORN - 2001 MERCEDES BENZ C320 I TURN TO YOU FOR ANY HELP AND/OR ADVICE YOU CAN PROVIDE. WHILE ON AN INTERSTATE DRIVING MY HORN GOES OFF. IT WAS HUMOROUS AT FIRST AS I THOUGHT IT WAS SOMEONE ELSE. THE HORN SOUNDED CONSTANTLY FOR ABOUT 15 MINUTES THEN WENT OFF FOR THE NEXT HOUR WHENEVER IT FELT LIKE IT. NO ERROR CODES WERE DISPLAYED ON THE CONSOLE. NO HORN PROBLEM THE NEXT DAY. GAVE THE WIFE THE CAR SHE DRIVES TO WORK - NO PROBLEM. GET OFF FROM WORK, INTO THE CAR, STARTS IT UP....THE HORN GOES OFF AGAIN. NOT HUMOROUS ANYMORE, THE WIFE DID NOT FIND IT FUNNY. TOOK THE CAR TO THE DEALER, VALLEY MOTORS, INC, COCKEYSVILLE, MARYLAND THE NEXT MORNING WAITED 5 HOURS AND WAS TOLD THEY COULD NOT DUPLICATE THE PROBLEM. BUT CHARGED ME $90 IN LABOR. STARTED THE CAR TO RUN AN ERRAND....HORN GOES OFF! DRIVE DIRECTLY TO THE DEALER. THE DEALER TEST DRIVES THE CAR THE NEXT DAY AND WHILE ON THE ROAD, THE HORN GOES OFF. THIS TIME 2 CARS BACK IS A POLICEMAN AND HE PULLS OVER THE TECHNICIAN. SO FAR THEY HAVE NOT DETERMINED THE CAUSE OF THE HORN PROBLEM, BUT CONTINUE TO CHARGE ME LABOR TO FIND IT. I'M AT $450.00 AND WAS TOLD BY THE DEALER THAT THEY ATTEMPTED TO REPLACE THE SAM UNIT AND THE PROBLEM STILL EXISTS. THEY HAVE TRACED THE HORN CONNECTION AND STILL NO RESOLUTION. SHOULD I KEEP LETTING THE COST MOUNT UP? WHO CAN I ESCALATE THIS TO AT MERCEDES-BENZ OR EVEN DAIMLER CHRYSLER. WHAT SHOULD I DO? ANY AND ALL ADVICE ON HOW I SHOULD PROCEED IS GREATLY APPRECIATED. THANK YOU

NHTSA ODI #10073090

29,457 miles · May 22, 2003
Electrical SystemEquipmentFuel System, Diesel

GAS FUMES SO OVER POWERING THAT YOU HAD TO DRIVE WITH THE WINDOWS DOWN AFTER YOU FILLED UP THE CAR WITH GASOLINE. GAS TANK HAD A LEAK AND ALL THE DASH WAS REPLACED AT DEALER. HOWEVER THERE ARE SHORTAGES IN THE ELECTRICAL SYSTEM THAT CAUSE THE VISOR LAMPS TO NOT WORK AND THE AUTOMATIC LIGHTS AND RELAYS IN THE WIPERS DO NOT OPERAT…

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GAS FUMES SO OVER POWERING THAT YOU HAD TO DRIVE WITH THE WINDOWS DOWN AFTER YOU FILLED UP THE CAR WITH GASOLINE. GAS TANK HAD A LEAK AND ALL THE DASH WAS REPLACED AT DEALER. HOWEVER THERE ARE SHORTAGES IN THE ELECTRICAL SYSTEM THAT CAUSE THE VISOR LAMPS TO NOT WORK AND THE AUTOMATIC LIGHTS AND RELAYS IN THE WIPERS DO NOT OPERATE PROPERLY. WHEN THE HEAT IS ON THE GAS FUMES AND MONOXIDE IS STRONG AGAIN . I THOUGHT THE PROBLEM WAS RECTIFIED WHEN THEY FIXED IT BUT IT STILL TENDS TO ACT UP. *NLM

NHTSA ODI #10019133

Mileage unknown · Jun 26, 2002
Electrical SystemUnknown Or Other

THE ELECTRONIC KEY PRESENTS A SAFETY HAZARD SINCE IT QUES IN ALL SETTING FOR THE DRIVER. WHILE DRIVING THE MIRRORS WOULD CHANGE POSITION. THE KEY CAN STOP "TALKING" TO THE CAR AND NOT ALLOW THE CAR TO BE STARTED. SOMETIMES WHEN STARTING THE PANEL AND OTHER INSIDE LIGHTS FAILED TO COME ON, BUT THE CAR WAS DRIVEABLE. THE OIL L…

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THE ELECTRONIC KEY PRESENTS A SAFETY HAZARD SINCE IT QUES IN ALL SETTING FOR THE DRIVER. WHILE DRIVING THE MIRRORS WOULD CHANGE POSITION. THE KEY CAN STOP "TALKING" TO THE CAR AND NOT ALLOW THE CAR TO BE STARTED. SOMETIMES WHEN STARTING THE PANEL AND OTHER INSIDE LIGHTS FAILED TO COME ON, BUT THE CAR WAS DRIVEABLE. THE OIL LEVEL CHECK SYSTEM WOULD SAY THE OIL LEVEL IS TO HIGH, AND ADD MILES TO THE NEXT SERVICE POINT. THE BIG CONFIDENCE BREAKER IS WILL THIS KEY STOP TALKING ENTIRELY TO THE CAR WHILE DRIVING? THIS WOULD SURLEY RESULT IN A NON-STEERABLE EVENT. I COULD NOT GET MERCEDES TO ANSWER SUCH INQUIRY, OR REASSURE ME THAT IT COULD NOT HAPPEN. I TURNED THE CAR BACK INTO THE DEALER AND NOW HAVE LEARNED IT WAS SOLD. I WANT TO WARN THE NEW OWNER OF THESE PROBLEMS, SINCE THEY WERE NOT FIXED FOR ME, AND I HAVE LITTLE CONFIDENCE THEY CAN BE.*AK

NHTSA ODI #763507

Official recalls

3

24V874000 · Visibility:sun/moon Roof Assembly

Nov 19, 2024

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2001-2011 C-Class, CLK, E-Class, and CLS vehicles. Please see the recall report for a complete list of models and model years. The glass sunroof panel may not be properly secured and can detach.

Consequence & remedy

Consequence: A detached sunroof panel can become a road hazard, increasing the risk of a crash.

Remedy: Dealers will inspect and replace the sunroof panel as necessary, free of charge. Owner notification letters were mailed January 10, 2025. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of previous NHTSA recall number 22V-954. MBUSA's number for this recall is 2024120001/2/3.

22V954000 · Visibility:sun/moon Roof Assembly

Dec 23, 2022

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2001-2011 C-Class, CLK, E-Class, and CLS vehicles. Please refer to MBUSA's recall report for specific vehicle model details. The glass sunroof panel may not be properly secured and may detach.

Consequence & remedy

Consequence: A detached sunroof panel may become a road hazard, increasing the risk of a crash.

Remedy: Dealers will inspect and replace the sunroof panel as necessary free of charge. Owner notification letters were mailed February 3, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. This recall expands NHTSA recall number 19V-918. MBUSA's numbers for this recall are 2023010004, 2023010005, and 2023010006.

19V918000 · Visibility:sun/moon Roof Assembly

Dec 20, 2019

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2001-2011 vehicles. The bonding between the glass panel and the sliding roof frame may deteriorate, possibly resulting in the glass panel detaching from the vehicle. For a full list of the affected models visit: https://static.nhtsa.gov/odi/rcl/2019/RMISC-19V918-4126.pdf

Consequence & remedy

Consequence: A detached glass panel can separate from the vehicle and become a road hazard, increasing the risk of a crash.

Remedy: MBUSA will notify owners, and dealers will inspect the glass panel bonding and replace the sliding roof, as necessary, free of charge. The recall began July 10, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020040011.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.