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2003 Mercedes Benz C230

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2003 Mercedes Benz C230 do not stand out strongly from the model-year median of 39.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

40 reports with mileage · 11 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.

  • Engine And Engine Cooling. Review the 19 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 6 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

1 crash reports3 fire reports1 injury reports

Engine And Engine Cooling complaints

19 reports
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65,000 miles · Apr 16, 2008
Engine And Engine Cooling

CAMSHAFT MAGNET LEAKING PUSHING OIL THROUGH ENGINE HARNESS" HARNESS, ECU, O2 SENSORS NEEDS TO BE REPLACED. $3,700. *TR

NHTSA ODI #10224716

46,646 miles · Mar 27, 2008
Engine And Engine CoolingFuel System, Gasoline

TL*THE CONTACT OWNS A 2003 MERCEDES BENZ C230. THE VEHICLE WOULD ONLY START AFTER SEVERAL ATTEMPTS. SOMETIMES AFTER THE VEHICLE WAS STARTED, IT WOULD FAIL AND NOT RESTART. THE DEALER STATED THAT THERE WAS A CRACK IN THE PCV HOSE. THE COST FOR THE REPAIR WAS $404.27. THE SAME DAY THE VEHICLE WAS REPAIRED, IT FAILED WHILE APP…

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TL*THE CONTACT OWNS A 2003 MERCEDES BENZ C230. THE VEHICLE WOULD ONLY START AFTER SEVERAL ATTEMPTS. SOMETIMES AFTER THE VEHICLE WAS STARTED, IT WOULD FAIL AND NOT RESTART. THE DEALER STATED THAT THERE WAS A CRACK IN THE PCV HOSE. THE COST FOR THE REPAIR WAS $404.27. THE SAME DAY THE VEHICLE WAS REPAIRED, IT FAILED WHILE APPROACHING A RED LIGHT. THE FOLLOWING DAY, SHE RETURNED TO THE DEALER AND THEY STATED THAT THE FUEL PUMP NEEDED TO BE REPLACED. THE REPAIR COST WAS $389.82. THE CURRENT MILEAGE WAS 47,022 AND FAILURE MILEAGE WAS 46,646. UPDATED 05/05/08. *LJ UPDATED 05/05/08 *JB

NHTSA ODI #10222455

80,000 miles · Apr 6, 2007
Engine And Engine CoolingFire

THE 2003 MERCERDES BENZ 300C ENGINE SUDDENLY CAUGHT ON FIRE WHILE DRIVING IT TO WORK. THE CAR STALLED, FLAMES SHOOT OUT THE FRONT HOOD, THE CAR WOULD NOT RESTART, SO I COASTED TO THE FIRM. I OPENED THE HOOD TO SEE BLUE FLAMES SHOOPT 20 FEET IN THE AIR. A PASSERBY TRIED TO PUT OUT THE FIRWE UNSUCESSFULLY WITH A FIRE EXTIQUISHER. …

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THE 2003 MERCERDES BENZ 300C ENGINE SUDDENLY CAUGHT ON FIRE WHILE DRIVING IT TO WORK. THE CAR STALLED, FLAMES SHOOT OUT THE FRONT HOOD, THE CAR WOULD NOT RESTART, SO I COASTED TO THE FIRM. I OPENED THE HOOD TO SEE BLUE FLAMES SHOOPT 20 FEET IN THE AIR. A PASSERBY TRIED TO PUT OUT THE FIRWE UNSUCESSFULLY WITH A FIRE EXTIQUISHER. THE FLAMES GOT HOTTER AND SHOT 60 FEET IN THE AIR, AND POLICE AND FIRE DEPARTMENT RESPONDED AND WERE FINALLY ABLE TO PUT OUT THE FIRE . THE ENGINE BLOCK MELTED DOWN ,AND THERE WAS A LARGE HOLE BURNT INTO THE PASENGER SPACE. THE CAR WAS TOTALED. I WROTE MERCEDES BENZ, AND THEY WERE BEING NONRESPONSIVE. I HAVE PHOTOS OF THE MELTED ENGINE BLOCK AND THE LARGE HOLE BURNED INTO THE PASENGER SPACE THROUGH THE ENGINE FIREWALL. *AK

NHTSA ODI #10187171

125,000 miles · Jan 2, 2007
Engine And Engine Cooling

2003 MERCEDES C230- PURCHASED NEW- BOUGHT EXTENDED WARRANTY. HAVE FOLLOWED MAINTENANCE PROGRAM RELIGIOUSLY. LAST B SERVICE WAS DEC 4TH-$900.00 ON DEC 27- CAR COMPLETELY DIED & SMOKE COMING OUT THE BACK- COOLANT LIGHT ON. TOWED TO CLOSEST DEALER- THEY CAN'T TELL ME WHY IT HAPPENED BUT- THE SPARK PLUGS SOAKED W/COOLANT, #2 PLUG S…

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2003 MERCEDES C230- PURCHASED NEW- BOUGHT EXTENDED WARRANTY. HAVE FOLLOWED MAINTENANCE PROGRAM RELIGIOUSLY. LAST B SERVICE WAS DEC 4TH-$900.00 ON DEC 27- CAR COMPLETELY DIED & SMOKE COMING OUT THE BACK- COOLANT LIGHT ON. TOWED TO CLOSEST DEALER- THEY CAN'T TELL ME WHY IT HAPPENED BUT- THE SPARK PLUGS SOAKED W/COOLANT, #2 PLUG SMASHED ON TOP, #2 CYLINDER INTAKE VALVE BENT & BROKEN. #2 &4 PISTONS DAMAGED. EVEN THOUGH EXTENDED WARRANTY IS UP- MERCEDES WILL NOT STAND BEHIND THE CAR- SAY CAN NOT PIN POINT A MFG DEFECT EVEN THOUGH THIS RARELY HAPPENS EVEN WITH HIGH MILES- MERCEDES BENZ USUALLY CAN GET WELL OVER 200,000 MILES. NOW COST IS $8,000 TO PUT IN REBUILT MOTOR OR $11,000 TO REPAIR DAMAGED ONE- SOMETHING HAD TO CAUSE THIS- THERE WERE POSTS ON YOUR SITE FROM 2003 REGARDING ENGINE & COOLING ISSUES BUT COULD NOT FIND MORE DETAILED INFO- NHTSA ITEM# 10002965- DO YOU HAVE MORE INFO OR GIVE ME ADVICE? *JB

NHTSA ODI #10177608

18,000 miles · Jul 24, 2006
Engine And Engine Cooling

DT*: THE CONTACT STATED THAT WHILE DRIVING AT 55 MPH, THERE WERE EXHAUST FUMES ENTERING THE CAB OF THE VEHICLE FROM AN UNKNOWN AREA. THE FUMES CAUSED THE CONTACT TO DEVELOP HEADACHES. THE VEHICLE WAS TAKEN TO A SERVICE DEALER, WHERE THE DEALER WAS UNABLE TO DETERMINE THE PROBLEM.

NHTSA ODI #10163266

21,000 miles · Oct 14, 2005
Electrical SystemEngine And Engine CoolingExterior Lighting

I AM THE OWNER OF A C-230 4 DOOR SEDAN VIN#[XXX]. I HAVE AN ISSUE THAT I WAS LOOKING INTO ADDRESSING WHEN ANOTHER MAJOR ISSUE JUST AROSE THAT I NEED HELP FROM THE MANUFACTURER WHO I HAVE CONTACTED BUT NOT RECEIVED A RESPONSE. 1) LAST WEEK I DECIDED TO QUOTE INSURANCE AND MAKE A CHANGE TO ALLSTATE. ONCE THEY PUT IN THE VIN# MA…

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I AM THE OWNER OF A C-230 4 DOOR SEDAN VIN#[XXX]. I HAVE AN ISSUE THAT I WAS LOOKING INTO ADDRESSING WHEN ANOTHER MAJOR ISSUE JUST AROSE THAT I NEED HELP FROM THE MANUFACTURER WHO I HAVE CONTACTED BUT NOT RECEIVED A RESPONSE. 1) LAST WEEK I DECIDED TO QUOTE INSURANCE AND MAKE A CHANGE TO ALLSTATE. ONCE THEY PUT IN THE VIN# MAJOR ISSUES CAME. THE PRICE WAS WAY DIFFERENT THEN WHAT I WAS PAYING WITH MERCURY. TO MAKE THIS SHORT, AFTER TALKING TO MY BROKER AT MERCURY, IT TURNS OUT MY 4 DOOR HAS THE VIN# OF A 2 DOOR COUPE. I CALLED BEVERLY HILLS LTD WHERE I PURCHASED THE CAR NEW. THEY DID NOTHING. I HAVE THE ORIGINAL TEMP REGISTRATION FROM THE DAY I PURCHASED THE CAR NEW, AND THE DEALER TYPED COUPE NOT FOUR DOOR AND ON THE LEASE AGREEMENT. I DID NOT NOTICE THIS. HERE ARE MY ISSUES. THE COUPE IS MORE EXPENSIVE ON INSURANCE - I HAVE BEEN OVERPAYING SINCE 2/2003. 2ND, AM I PAYING A FAIR LEASE RATE IF THE VIN# IS FOR ANOTHER BODY STYLE. THIS CAR HAS BEEN NOTHING BUT NIGHTMARE TO DEAL WITH SINCE THE DAY I PURCHASED IT. IT HAS BEEN SERVICED 8 TIMES, TRANSMISSION WORK, 2 COMPUTERS, CAMSHAFT, NEW RADIO, IDLE ISSUES, BRAKE SYSTEM FAILED, AND SO ON. IT'S A COMPLETE LEMON. IT IS GOING IN NEXT WEEK AGAIN. I HAVE ONLY 21,000 ON THE CAR, AND DRIVE MY 2ND CAR MORE A 79 300SD MERCEDES AS IT IS MORE RELIABLE THEN THIS NEW CAR. I NEED SOMEWHERE, SOMEONE TO GO TO, ANY INFORMATION WOULD BE GREATLY APPRECIATED. THANKS SO MUCH, [XXX] - PHONE OR EMAIL *JB UPDATED 07/18/2012 *JS INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ODI #10139648

4,497 miles · Nov 22, 2004
Engine And Engine Cooling

NEW CAR DIED IN MIDDLE OF THE ROAD. VEHICLE STALLED WHEN COMING TO A STOP. *BF THE CONSUMER BELIEVES THE VEHICLE CONTINUED TO STALL DIE TO FAULTY ENGINEERING OF THE VACUUM AND COMPRESSION SYSTEMS. THE VEHICLE HAS BEEN TAKEN TO THE DEALER FIVE TIMES FOR THIS PROBLEM BUT NO MATTER HOW MANY TIMES THE PARTS WERE REPLACED THE VEH…

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NEW CAR DIED IN MIDDLE OF THE ROAD. VEHICLE STALLED WHEN COMING TO A STOP. *BF THE CONSUMER BELIEVES THE VEHICLE CONTINUED TO STALL DIE TO FAULTY ENGINEERING OF THE VACUUM AND COMPRESSION SYSTEMS. THE VEHICLE HAS BEEN TAKEN TO THE DEALER FIVE TIMES FOR THIS PROBLEM BUT NO MATTER HOW MANY TIMES THE PARTS WERE REPLACED THE VEHICLE CONTINUES TO STALL. THE DEALER REPLACED BROKEN VACUUM HOSE, BRAKE BOOSTER HOSE AND OXYGEN SENSOR. *NM

NHTSA ODI #10101636

Mileage unknown · Mar 31, 2004
Electrical SystemEngine And Engine CoolingEquipment

CONSUMER DISAPPOINTED WITH HER PROBLEMATIC, UNRELIABLE AND POTENTIALLY UNSAFE VEHICLE. *PH THE WINDOW SEALS SCRATCHED THE GLASS TINT. THE RADIO RECEPTION WAS POOR AND THE KEYLESS ENTRY SYSTEM ONLY WORKED AT CLOSE RANGE. THE TECHNICIAN INDICATED THAT THE TINT WAS LIKELY THE CAUSE OF THE POOR RECEPTION AND INABILITY TO USE TH…

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CONSUMER DISAPPOINTED WITH HER PROBLEMATIC, UNRELIABLE AND POTENTIALLY UNSAFE VEHICLE. *PH THE WINDOW SEALS SCRATCHED THE GLASS TINT. THE RADIO RECEPTION WAS POOR AND THE KEYLESS ENTRY SYSTEM ONLY WORKED AT CLOSE RANGE. THE TECHNICIAN INDICATED THAT THE TINT WAS LIKELY THE CAUSE OF THE POOR RECEPTION AND INABILITY TO USE THE ENTRY SYSTEM AT FURTHER DISTANCES. THE DEALER INSTALLED SCRAPER SEALS TO ALLEVIATE THE SCRATCHING. THE VEHICLE SHUT OFF FIVE TIMES IN A 45 MIN PERIOD AND ALL THE SERVICE LIGHTS ILLUMINATED. THE VEHICLE WAS TAKEN TOT HE DEALER WHO DETERMINED THAT A CYLINDER HAD MISFIRED AND WATER WAS IN THE SPARK PLUGS. THE DEALER REPLACED HE CYLINDER HEAD AND ALL VALVES. THE BAS, ESP AND ABS LIGHT ILLUMINATED WHILE DRIVING. THERE WAS A LACK OF AIRFLOW POWER WHEN THE A/C WAS USED. THE VEHICLE HESITATED WHEN ACCELERATING. THERE WAS A STRONG MILDEW ODOR COMING THROUGH THE VENTS. CD SKIPPED WHEN TURNING CORNERS. A RATTLING NOISE COULD BE HEARD FROM THE ENGINE WHILE THE A/C WAS ON. *NM

NHTSA ODI #10066620

1,400 miles · Mar 13, 2003
Engine And Engine Cooling

THIS IS A NEW MERCEDES-BENZ C230 COMPRESSOR ENGINE WITH ONE THOUSAND MILES. LAST MONTH A SULFUR SMELL EMITTED FROM THE EXHAUST WHILE WARMING. I WAS TOLD THIS IS NORMAL. THREE TIMES THIS WEEK ON IGNITION THE CAR SHOOK VIOLENTLY AND WOULD NOT STOP UNTIL THE ENGINE WAS TURNED OFF. THE CAR IS DRIVABLE AND I HAVE RETURNED IT TO THE D…

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THIS IS A NEW MERCEDES-BENZ C230 COMPRESSOR ENGINE WITH ONE THOUSAND MILES. LAST MONTH A SULFUR SMELL EMITTED FROM THE EXHAUST WHILE WARMING. I WAS TOLD THIS IS NORMAL. THREE TIMES THIS WEEK ON IGNITION THE CAR SHOOK VIOLENTLY AND WOULD NOT STOP UNTIL THE ENGINE WAS TURNED OFF. THE CAR IS DRIVABLE AND I HAVE RETURNED IT TO THE DEALER. THEY ARE ATTEMPTING TO FIX IT. *JB

NHTSA ODI #10010422

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.