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2002 Mercedes Benz C320

Owner reports · Recalls · Investigations

Limited comparison data

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

About this comparison →

When problems were reported

Mileage at the reported incident

42 reports with mileage · 26 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 36 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Seats. Review the 23 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electronic Stability Control (esc). Review the 5 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 reports3 fire reports2 injury reports

What owners actually said

68 reports
45,000 miles · Oct 9, 2008
Seats

THE CAR PARKED IN THE GARAGE OVERNIGHT AND THE MORNING I HAD AN EMERGENCY AT THE BUSINESS AND COULD NOT START THE CAR. THE BATTERY WAS TOTALLY DRAINED. HAD IT TOWED TO THE SHOP TO BE DIAGNOSED THAT IT WAS THE FRONT DRIVER SIDE POWER SEAT THAT HAS DRAINED ALL THE ENERGY FROM THE BATTERY EVEN WHEN THE CAR IS NOT RUNNING. THE …

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THE CAR PARKED IN THE GARAGE OVERNIGHT AND THE MORNING I HAD AN EMERGENCY AT THE BUSINESS AND COULD NOT START THE CAR. THE BATTERY WAS TOTALLY DRAINED. HAD IT TOWED TO THE SHOP TO BE DIAGNOSED THAT IT WAS THE FRONT DRIVER SIDE POWER SEAT THAT HAS DRAINED ALL THE ENERGY FROM THE BATTERY EVEN WHEN THE CAR IS NOT RUNNING. THE POWER SEAT IS NOW CONTINUOUSLY EXCESSIVELY DRAIN THE BATTERY EVEN WHEN THE CAR IS NOT RUNNING. THE CONSEQUENCES ARE THAT THE CAR IS NOT TRUSTED TO BE ABLE TO START IN AN EMERGENCY SITUATION WHEN THE CAR IS NEEDED FOR TRANSPORTATION. THE CAR HAS VERY LOW MILEAGE ON IT. THE POWER SEAT HAS BEEN RARELY USED AND IT SHOULD NOT FAIL FOR HAVING BEEN IDLE/NOT USED FOR THE LENGTH OF TIME THAT I HAVE OWN THE CAR. I AM THE ORIGINAL FIRST TIME OWNER OF THE CAR AND I HARDLY HAVE TO ADJUST THE POWER SEAT. I BELIEVE THAT THE POWER SEAT IS A MANUFACTURE DEFECT AND COULD BE A DANGEROUS IMPEDIMENT IN AN EMERGENCY SITUATION. THE ARE LOTS OF MERCEDES OWNER WHO HAVE EXPERIENCING THE SAME MALFUNCTION IN THEIR POWER SEATS. I FEEL THAT WITH THESE MANY PEOPLE, IT WARRANTS A RECALL BY MERCEDES FOR ALL THE POWER SEATS. *TR

NHTSA ODI #10244921

59,000 miles · May 8, 2008
Electrical System

THE BATTERY IN MY 2002 MERCEDES BENZ C320 DIED IN LATE FEBRUARY 2008. DIAGNOSTICS WERE DONE AND THE BATTERY WAS REPLACED BY BY CHANDLER MERCEDES BENZ VIA ROADSIDE SERVICE. IN LATE MARCH I GOT INTO THE CAR TO GO TO WORK AND THE BATTERY WAS DEAD; CALLED ROADSIDE SERVICE. CHANDLER MB ARRIVED AND JUMP-STARTED THE CAR. MAY 5TH I …

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THE BATTERY IN MY 2002 MERCEDES BENZ C320 DIED IN LATE FEBRUARY 2008. DIAGNOSTICS WERE DONE AND THE BATTERY WAS REPLACED BY BY CHANDLER MERCEDES BENZ VIA ROADSIDE SERVICE. IN LATE MARCH I GOT INTO THE CAR TO GO TO WORK AND THE BATTERY WAS DEAD; CALLED ROADSIDE SERVICE. CHANDLER MB ARRIVED AND JUMP-STARTED THE CAR. MAY 5TH I GOT IN MY CAR TO GO TO WORK AND AGAIN, THE BATTERY WAS DEAD. CHANDLER MB ROADSIDE SERVICE AGAIN JUMP-STARTED THE CAR WHICH WAS THEN DELIVERED TO THEIR SERVICE DEPARTMENT. THE BATTERY WAS CHECKED AND THERE WAS NOTHING WRONG WITH IT. FURTHER DIAGNOSTICS REVEALED THAT THE DRIVER'S SIDE POWER SEAT MODULE WAS DRAINING THE BATTERY. I REQUESTED A BATTERY THAT COULD POWER THE CAR. WAS TOLD THERE IS NO BATTERY THAT WILL POWER THE CAR, THE POWER SEAT MODULE MUST BE REPLACED TO THE TUNE OF $398.00 PLUS LABOR. I DID FURTHER RESEARCH AND DISCOVERED THAT THIS IS A VERY WIDESPREAD PROBLEM IN THE MERCEDES C320, IN FACT MERCEDES BENZ IS NOW INSTALLING A DIFFERENT MODULE IN THE 2002 C320'S DUE TO THE EXTENT OF THE PROBLEM. IT SEEMS TO ME THAT WHEN I BUY A MERCEDES BENZ WITH A MERCEDES BENZ BATTERY AND A MERCEDES BENZ INSTALLED POWER SEAT MODULE, THERE SHOULD BE SUFFICIENT POWER TO DRIVE MY CAR. ASKING ME TO PAY OVER $400 TO REPLACE THEIR OWN PART BECAUSE IT DRAWS TOO MUCH POWER FROM THEIR OWN BATTERY AND THEN NOT MANUFACTURING A BATTERY THAT WILL PROVIDE THE REQUIRED POWER, IS VERY CONVENIENT FOR MERCEDES BENZ AND A GREAT WAY TO MAKE SOME VERY EASY MONEY, BUT WHEN I PAY $35,000 IN CONSIDERATION FOR A CAR AND THEY PROVIDE ME A CAR THAT DOES NOT HAVE ENOUGH POWER TO RUN, I BELIEVE THERE IS SOME FRAUD GOING ON AND FROM MY RESEARCH IT APPEARS THAT IT IS ON A VERY WIDESPREAD BASIS. JUST THE FACT THAT MERCEDES HAS ACKNOWLEDGED THE PROBLEM BY SWITCHING TO A DIFFERENT MODULE, INDICATES THEY ARE AWARE THAT THEIR ORIGINAL PART IS DEFECTIVE AND I BELIEVE IT'S THEIR RESPONSIBILITY TO BEAR THE COST TO REPLACE IT WITH THEIR REPLACEMENT MODULE. *TR

NHTSA ODI #10227041

78,000 miles · Mar 25, 2008
Electrical System

2002 MERCEDES C320 BATTERY DIES EVERY 2-3 DAYS. NEEDS JUMP START EVERY 2-3 DAYS. *TR

NHTSA ODI #10222229

82,200 miles · Feb 9, 2008
Electrical SystemSeats

I OWN A MERCEDES BENZ C320 AND LATELY I'VE BEEN EXPERIENCING SOME PROBLEMS, FEW WEEKS AGO, MY CAR WOULDN'T START ALL OF A SUDDEN. I JUMP STARTED AND I NOTICED 2 FAULTS .. ESP WARNING LIGHT AND LIGHT SENSOR ,FOR SOME REASONS SOMETHING WAS DRAINING MY BATTERY, I WENT AND PURCHASED A BRAND NEW BATTERY AND 2 DAYS LATER IT DID THE SA…

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I OWN A MERCEDES BENZ C320 AND LATELY I'VE BEEN EXPERIENCING SOME PROBLEMS, FEW WEEKS AGO, MY CAR WOULDN'T START ALL OF A SUDDEN. I JUMP STARTED AND I NOTICED 2 FAULTS .. ESP WARNING LIGHT AND LIGHT SENSOR ,FOR SOME REASONS SOMETHING WAS DRAINING MY BATTERY, I WENT AND PURCHASED A BRAND NEW BATTERY AND 2 DAYS LATER IT DID THE SAME THING AGAIN, I WAS TOLD THAT IT WAS A SEAT SENSOR THAT CAUSED IT,S O WE UNPLUGGED THE SEATS, EVERYTING SEAMED FINE FOR LIKE 4 TO 5 DAYS,WHILE I WAS DRIVING,THE CAR JUST CAME TO A COMPLETE STOP WOULD NOT MOVE,THE ENGINE LIGHT CAME ON, I'VE COME TO REALIZE THAT I'M NOT THE ONLY ONE WITH THIS PROBLEM, I HOPE THE GOVERNMENT WOULD DO THE RIGHT THING BY RECALLING THOSE VEHICLES. *TR

NHTSA ODI #10217517

Mileage unknown · Jan 13, 2008
Electrical System

ON MY MERCEDES BENZ C320, IF THE CAR IS NOT STARTED AT LEAST EVERY 12 HOURS, THE CAR WILL NOT START AND IT NEEDS A JUMP. THE CAR IS A 2002 AND HAS 51K MILES. *TR

NHTSA ODI #10214667

75,000 miles · Oct 31, 2007
Electrical System

THE LIGHTS ON MY DASH BOARD FLICKER AND DIM , MAKING IT DIFFICULT TO SEE THE SPEEDOMETER AND OTHER INSTRUMENTS. *TR

NHTSA ODI #10207557

Mileage unknown · Aug 29, 2007
Electrical SystemSeats

I HAVE A 2002 MERCEDES C320 AND THE CAR'S BATTERY KEEP DYING AND I HAVE TO JUMP START MY CAR EVERY DAY. BATTERY WAS REPLACED AND SAME PROBLEM HAPPENS AGAIN AND AGAIN. I WENT ONLINE AND FOUND OUT THAT I AM NOT THE ONLY PERSON WHO HAS THE PROBLEM. IT HAPPENS TO MANY MANY MANY PEOPLE - SEE ATTACHED LINK HTTP://WWW.BENZWORLD.OR…

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I HAVE A 2002 MERCEDES C320 AND THE CAR'S BATTERY KEEP DYING AND I HAVE TO JUMP START MY CAR EVERY DAY. BATTERY WAS REPLACED AND SAME PROBLEM HAPPENS AGAIN AND AGAIN. I WENT ONLINE AND FOUND OUT THAT I AM NOT THE ONLY PERSON WHO HAS THE PROBLEM. IT HAPPENS TO MANY MANY MANY PEOPLE - SEE ATTACHED LINK HTTP://WWW.BENZWORLD.ORG/FORUMS/W203-C-CLASS/1196568-MERCEDES-C320-BATTERY-DRAIN-4.HTML I HAVE PAID THE DEALER $375 JUST FOR THE DIAGNOSES WITH NOTHING FIXED AND ACCORDING TO THESE COMPLAINTS, EVEN AFTER THEY HAVE THE RECOMMENDED REPLACEMENT, THE PROBLEM PERSISTS. IT SEEMS LIKE THEY SHOULD HAVE ALL THESE CARS RECALLED AND HAVE THE PROBLEM FIXED WHEN IT'S THEIR PRODUCTION/COMPONENT PROBLEM.

NHTSA ODI #10201076

48,200 miles · Jul 12, 2007
Seats

MY VEHICLE WOULD NOT START, SO I RECEIVED A JUMP, TWO DAYS LATER WHEN I DID NOT DRIVE THE CAR IT WOULD NOT START RECEIVED ANOTHER JUMP AND REPLACED THE BATTERY. DID NOT DRIVE THE CAR FROM 7-4 TO 7-8-07 AND CAR WOULD START. WENT TO MERCEDES DEALERSHIP ON 7-9-07 AND WAS TOLD THAT IT WAS A COMMON PROBLEM ON MY CAR THAT THE SEAT M…

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MY VEHICLE WOULD NOT START, SO I RECEIVED A JUMP, TWO DAYS LATER WHEN I DID NOT DRIVE THE CAR IT WOULD NOT START RECEIVED ANOTHER JUMP AND REPLACED THE BATTERY. DID NOT DRIVE THE CAR FROM 7-4 TO 7-8-07 AND CAR WOULD START. WENT TO MERCEDES DEALERSHIP ON 7-9-07 AND WAS TOLD THAT IT WAS A COMMON PROBLEM ON MY CAR THAT THE SEAT MODULES DO NOT POWER DOWN WHEN THE CAR IS OFF AND THAT IT IS DRAINING THE BATTERY. WENT TO SEVERAL MERCEDES-BENZ FORUM WEBSITES AND FOUND THAT THERE WERE HUNDREDS OF PEOPLE HAVING THE SAME PROBLEM. ONCE THE SEAT MODULE ARE REPLACED FOR $1200.00 THAT THE SEAT MODULES WOULD CONTINUE TO DRAIN THE BATTERY AND WOULD HAVE TO BE REPLACED AGAIN AND THIS BECAME A CYCLE. PLEASE VISIT WEBSITES WWW.BENZWORLD.ORG/FORUMS OR M-BENZFORUM.COM OR TYPE IN GOOGLE OR YAHOO MERCERDES BENZ FORUM AND CONNECT. HERE YOU WILL SEE A LIST OF PEOPLE WITH THE SAME PROBLEM. *AK

NHTSA ODI #10196159

45,800 miles · Feb 2, 2007
Electrical SystemSeats

BOTH INTERNAL SEAT CONTROL MODULES HAVE ELECTRICAL FAULT. TEST CODE 8E3L-K8NNQ. FOUND 1.66 AMP OF DRAW (OUT OF SPEC. RANGE) AMP DROP WHEN DISCONNECTED: PASSENGER SIDE TO: .1114 AND DRIVER SIDE: 0.59 MILLIAMPS. 1/13 ALARM SOUNDS AND BATTERY DIES. TECHNICIAN REPLACES BATTERY, BUT WARNS LIKELY TO HAPPEN AGAIN-MANY CASES. 1/16 SAME …

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BOTH INTERNAL SEAT CONTROL MODULES HAVE ELECTRICAL FAULT. TEST CODE 8E3L-K8NNQ. FOUND 1.66 AMP OF DRAW (OUT OF SPEC. RANGE) AMP DROP WHEN DISCONNECTED: PASSENGER SIDE TO: .1114 AND DRIVER SIDE: 0.59 MILLIAMPS. 1/13 ALARM SOUNDS AND BATTERY DIES. TECHNICIAN REPLACES BATTERY, BUT WARNS LIKELY TO HAPPEN AGAIN-MANY CASES. 1/16 SAME PROBLEM. CAR TAKEN TO OTHER M-B DEALERSHIP. DIAGNOSED AS ABOVE. REPLACED BOTH MODULES 1/25. DEALERSHIP HAD TROUBLE GETTING PART DUE TO UNUSUALLY HIGH VOLUME FOR THIS REPAIR. 18 MODULES GONE OR ON RESERVE IN ONE WEEK IN SANTA MONICA ALONE. MERCEDES CORPORATE OFFICE UNRESPONSIVE. CARMAX DENIES KNOWN FAULT, BUT REPORTS CUSTOMER WITH SAME COMPLAINT PREVIOUS WEEK. *NM

NHTSA ODI #10181428

55,000 miles · Dec 13, 2006
Electrical SystemEngine And Engine Cooling

2002 C320 MERCEDES BENZ WAGON CAR STALLED IN TRAFFIC WITHOUT WARNING IN CENTER LANE ON BUSY STREET -- AND WOULD NOT RESTART LEAVING CAR AND OCCUPANT VULNERABLE TO CRASH-- DUE TO FAILURE OF CRANK POSITION SENSOR. *JB

NHTSA ODI #10176068

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.