Total Complaints
11 filings
MERCEDES-BENZ C230K · model year
11 NHTSA complaints, 1 crash report for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1999MERCEDES-BENZC230K carries 11 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 1 crash, 0 fires, 1 injury, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 1999 C230K is electrical system with 2 filings, followed by service brakes, hydraulic:antilock/traction control/electronic limited slip (1) and fuel system, gasoline:fuel injection system (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 15 investigation files overlapping the 1999 C230K. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
11 filings
Crashes Reported
1 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| ELECTRICAL SYSTEM | 2 |
| SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP | 1 |
| FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM | 1 |
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER | 1 |
| ELECTRICAL SYSTEM:SOFTWARE | 1 |
| ENGINE AND ENGINE COOLING:ENGINE | 1 |
| EXTERIOR LIGHTING | 1 |
| FUEL/PROPULSION SYSTEM | 1 |
| SUSPENSION | 1 |
| AIR BAGS | 1 |
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.
Mileage: 63,000
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.
Mileage: 136,500
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
Mileage: 125,000
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
Mileage: 120,000
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
Mileage: 20,000
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
Mileage: 20,000
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 CLEA
Mileage: 80,000
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 CLEA
Mileage: 80,000
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 CLEA
Mileage: 80,000
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 CLEA
Mileage: 80,000
ABS LIGHT WILL CONTINUEOUSLY COME ON AND STAY ON WHILE CONSUMER IS DRIVING. CONTACTED DEALER, AND DEALER WAS NOT WILLING TO DO ANYTHING.*AK
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.