Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 6 of 7 reports include usable mileage. There isn’t enough coverage to show a useful chart.
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 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Air Bags. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Engine And Engine Cooling. Review the 1 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 reports0 fire reports1 injury reports
What owners actually said
7 reports
63,000 miles · Jan 14, 2016
Air BagsCrashInjury
TL* THE CONTACT OWNS A 1999 MERCEDES-BENZ C230K. WHILE ATTEMPTING TO MAKE A LEFT TURN AT APPROXIMATELY 10 MPH, ANOTHER VEHICLE CRASHED INTO THE FRONT OF THE CONTACT'S VEHICLE. THE AIR BAGS FAILED TO DEPLOY. THE DRIVER SUSTAINED CHEST AND ARM INJURIES THAT REQUIRED MEDICAL ATTENTION. A POLICE REPORT WAS FILED. THE VEHICLE WAS TOW…
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TL* THE CONTACT OWNS A 1999 MERCEDES-BENZ C230K. WHILE ATTEMPTING TO MAKE A LEFT TURN AT APPROXIMATELY 10 MPH, ANOTHER VEHICLE CRASHED INTO THE FRONT OF THE CONTACT'S VEHICLE. THE AIR BAGS FAILED TO DEPLOY. THE DRIVER SUSTAINED CHEST AND ARM INJURIES THAT REQUIRED MEDICAL ATTENTION. A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED, BUT WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 63,000.
NHTSA ODI #10820156
136,500 miles · Jun 18, 2015
Suspension
HIT POTHOLE AT 10 MPH AND THE LOWER CONTROL ARM SNAPPED OFF CAUSING A LOSS OF CONTROL OF THE CAR. DEALERSHIP SAYS THE CONTROL ARM WAS CORRODED THROUGH.
NHTSA ODI #10726069
125,000 miles · Apr 24, 2015
Electrical System
WIPER, LOCKS, TAILGATE, INSTRUMENT PANEL AND WINDOWS ALL MALFUNCTIONED AT THE SAME TIME. THE PROBLEM HAS BEEN INTERMITTENT, THEREFORE, I AM AFRAID TO ROLL WINDOWS DOWN OR LOCK THE VEHICLE. *TR
NHTSA ODI #10712657
120,000 miles · Jul 15, 2013
Fuel/propulsion System
DRIVERS SIDE GAS TANK IS LEAKING WITH STRONG GAS FUMES COMING FROM UNDER CAR SITTING STILL. LEAK IS AT THE BOTTOM SENDING UNIT ON THE LEFT PLASTIC TANK UNDER THE PASSENGER SEAT BEHIND THE DRIVER. I ISOLATED THE LEAK TO WHERE THE WIRES PLUG TO THE TANK GAUGE SENDING UNIT. THIS IS OBVIOUSLY A VERY DANGEROUS CONDITION THAT SHOUL…
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DRIVERS SIDE GAS TANK IS LEAKING WITH STRONG GAS FUMES COMING FROM UNDER CAR SITTING STILL. LEAK IS AT THE BOTTOM SENDING UNIT ON THE LEFT PLASTIC TANK UNDER THE PASSENGER SEAT BEHIND THE DRIVER. I ISOLATED THE LEAK TO WHERE THE WIRES PLUG TO THE TANK GAUGE SENDING UNIT. THIS IS OBVIOUSLY A VERY DANGEROUS CONDITION THAT SHOULD NOT OCCUR EVER IN NORMAL OPERATING OF THE CAR. THIS CAR HAS NOT BEEN ABUSED OR WRECKED THAT I KNOW ABOUT SO, IT IS A MANUFACTURER DEFECT. IN ADDITION, RECENTLY, THERE WAS A MAJOR GASOLINE LEAK FROM A RUSTED LINE ON THE RIGHT TANK HIGH PRESSURE LINE GOING FROM THE FUEL PUMP TO THE ENGINE, WITH FUEL SPRAYING EVERYWHERE UNDER THE CAR. THIS WAS CAUSED BY A RUSTED LINE, PROBABLY FROM SALT ON WINTER ROADS. THE METAL FUEL LINE WAS VERY FLIMSY AND A HOLE HAD RUSTED IN IT. MERCEDES CLAIMS TO SELL A QUALITY AUTOMOBILE. MERCEDES SHOULD BE REQUIRED TO REPAIR SUCH OBVIOUSLY DANGEROUS DEFECTS FREE OF CHARGE TO THE CONSUMER. *TR
NHTSA ODI #10525034
20,000 miles · Oct 4, 2008
Electrical SystemExterior Lighting
1999 MERCEDES BENZ C230 INSTRUMENT PANEL LIGHTS HAVE GONE OUT. I HAVE NOT HAD THIS PROBLEM REPAIRED DUE TO THE COST ESTIMATE QUOTED TO ME BY THE MB DEALERSHIP. INSTRUMENT PANEL LIGHTS WENT OUT 2 WEEKS AFTER VEHICLE WARRANTY EXPIRED. ANOTHER PROBLEM PROBABLY ASSOCIATED WITH THE ELECTRICAL SYSTEM IS THAT I HAVE HAD TO REPLACE…
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1999 MERCEDES BENZ C230 INSTRUMENT PANEL LIGHTS HAVE GONE OUT. I HAVE NOT HAD THIS PROBLEM REPAIRED DUE TO THE COST ESTIMATE QUOTED TO ME BY THE MB DEALERSHIP. INSTRUMENT PANEL LIGHTS WENT OUT 2 WEEKS AFTER VEHICLE WARRANTY EXPIRED. ANOTHER PROBLEM PROBABLY ASSOCIATED WITH THE ELECTRICAL SYSTEM IS THAT I HAVE HAD TO REPLACE HEADLAMPS, INTERIOR LAMPS, BACKUP LAMPS (IE LIGHT BULBS) ON A CONTINUAL BASIS. AT LEAST EVERY OTHER MONTH I HAVE A WARNING LIGHT COME ON THAT I HAVE LAMP OUT. PRESENTLY I HAVE TO REPLACE THE BACKUP LAMPS BUT HAVE NOT DONE SO. JUST REPLACED A LEFT HEADLAMP TWO WEEKS AGO. THIS HAS BEEN ONGOING SINCE MY MOTHER PURCHASED THE CAR NEW IN AUGUST OF 1999. SHE GIFTED THE MB TO ME AND I HAVE BEEN THE ONLY DRIVER SINCE 2001 AND IT IS A ONE OWNER MB (TWO FAMILY MEMBERS). *TR
NHTSA ODI #10244364
80,000 miles · Oct 13, 2007
Electrical SystemEngine And Engine CoolingFuel System, Gasoline
MAR '07: INTERIOR DASH LIGHT WARNING "CHECK ENGINE" CAME ON. I IMMEDIATELY BROUGHT IT TO A MERCEDES-AUTHORIZED MECHANIC; COMPUTER DIAGNOSTIC SAID "FUEL TRIM ERROR". MAR TO OCT '07 FOLLOWING PARTS WERE REPLACED: ALL FUEL INJECTORS, SPARK PLUGS, ENGINE WIRING, ALL ENGINE GASKETS & 2 MAF (MASS AIR FLOW) OXYGEN SENSORS; ADDITIO…
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MAR '07: INTERIOR DASH LIGHT WARNING "CHECK ENGINE" CAME ON. I IMMEDIATELY BROUGHT IT TO A MERCEDES-AUTHORIZED MECHANIC; COMPUTER DIAGNOSTIC SAID "FUEL TRIM ERROR". MAR TO OCT '07 FOLLOWING PARTS WERE REPLACED: ALL FUEL INJECTORS, SPARK PLUGS, ENGINE WIRING, ALL ENGINE GASKETS & 2 MAF (MASS AIR FLOW) OXYGEN SENSORS; ADDITIONALLY, THE COMPRESSOR UNIT WAS TAKEN APART 7 TIMES, AND UPON EXAMINATION, A VERY SMALL AMOUNT OF OIL WOULD BE DISCOVERED - 1 TSP TO 1 TBSP EA TIME. EACH TIME, IT WAS IMPECCABLY CLEANED. TOTAL COST TO OWNER OVER 7 MONTHS: $3,500. DURING CAR OWNERSHIP, THE CAR HAS BEEN MAINTAINED ACCORDING TO MERCEDES REPAIR SCHEDULES, USING ONLY OEM PARTS AND PRODUCTS - IT ONLY HAS 86K ORIGINAL MILES ON IT - VERY LOW FOR AN 8 YR OLD CAR. THE MECHANIC OBSERVED THAT THE BLOW BACK OIL ACCUMULATES IN THE COMPRESSOR, SO THE COMPUTER SENSOR THINKS THE ENGINE IS RUNNING TOO RICH AND WILL VIRTUALLY SHUT DOWN POWER TO THE COMPRESSOR. THE COMPRESSOR ITSELF WAS TESTED AFTER EACH CLEANING, AND RUNS PERFECTLY. IT ONLY WHEN THE INTERIOR COMPRESSOR SENSORS PICKS UP MINOR MOLECULES OF OIL, THAT IT THINKS IT IS RUNNING TOO RICH, AND WILL NOT DELIVER POWER TO THE ENGINE. THIS IS ESPECIALLY DANGEROUS, BECAUSE IT IS NOT PREDICTABLE, AND WHEN IT OCCURS, THE DRIVEN IS UNABLE TO CLIMB HILLS OR EVEN SLIGHT INCLINES, AND CAN NOT EXCEED 65 MPH WITHOUT A >50% LOSS OF POWER TO THE ENGINE. THE CAR CAN NOT EVEN ACCELERATE ON A SLIGHT INCLINE AND WILL LOOSE 10-20 MPH AS A RESULT. IT WAS ASSESSED BY THE MECHANIC, AFTER WATCHING IT FOR 6 MOS AND REINSPECTING 6 TIMES (ALL WITH THE SAME FUEL TRIM ERROR, AND NO OTHER COMPUTER ERRORS REGISTERING) THAT THE BLOW BACK IS FROM INTERIOR O RINGS, VERY DEEP IN THE ENGINE: REPAIR COST EST: $3-5K. THIS TYPE REPAIR IS NOT HEARD OF ON A MERCEDES WITH 86K MILES, WITH THE CARE TAKEN. THE CAR IS UNDRIVEABLE DUE TO THE INORDINATE REPAIR COSTS (TX DOT INSPECTION DOES NOT PASS WITH "CHECK ENGINE" LIGHT PROBLEMS). *TR
NHTSA ODI #10205577
Mileage unknown · Jun 20, 2002
Service Brakes, Hydraulic
ABS LIGHT WILL CONTINUEOUSLY COME ON AND STAY ON WHILE CONSUMER IS DRIVING. CONTACTED DEALER, AND DEALER WAS NOT WILLING TO DO ANYTHING.*AK
NHTSA ODI #8012207
Official recalls
0
No recalls in this snapshot.
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.
1999 Mercedes Benz C230K Problems, Complaints & Recalls | Skip That Year