Engine complaints and recalls from NHTSA
Summary
The 2003 Mercedes-Benz C-Class has 26 NHTSA engine complaints and 0 engine-related recalls.
26
Complaints
0
Recalls
0
Injuries Reported
Data source: National Highway Traffic Safety Administration (NHTSA) · Last updated April 9, 2026
| Date ↓ | Component | Summary |
|---|---|---|
| Jul 24, 2017 | ENGINE | HARMONIC BALANCER /CRANK PULLEY WOBBLING VERY BAD . AFRAID IT WILL COME APART AND CAUSE CATASTROPHIC... |
| Jun 3, 2014 | ENGINE | I WAS DRIVING THE VEHICLE HOME FROM WORK AND HEADING UPHILL. MY AUTOMATIC AIR CONDITIONING CLICKED ... |
| Nov 26, 2013 | ENGINE | DEC 2013, WITH "OUR NEW" 2003 MB C240 TRAVELING 55MPH ON CRUISE, I ACCELERATED, "POOF". MY BROTHER ... |
| Apr 13, 2013 | ENGINE AND ENGINE COOLING,POWER TRAIN | I HAVE A 2003 C 320 MBNZ, THE RADIATOR LEAKS INTO THE TRANSMISSION. THE RADIATOR NEEDS TO BE REPLACE... |
| Jun 8, 2011 | ENGINE AND ENGINE COOLING | TL* THE CONTACT OWNS A 2003 MERCEDES BENZ C240. THE CONTACT STATED THE COOLANT WAS LEAKING FROM THE... |
| Mar 1, 2011 | ENGINE AND ENGINE COOLING | I HAVE 2003 MERCEDES BENZ C230. WHENEVER I WOULD START THE VEHICLE IT WOULD GIVE ME JERK OR MAKE NOI... |
| Jan 22, 2011 | ENGINE AND ENGINE COOLING | TL* THE CONTACT OWNS A 2003 MERCEDES BENZ C230. THE CONTACT STATED THAT WHENEVER SHE WOULD START THE... |
| Nov 18, 2010 | ENGINE AND ENGINE COOLING | LEAK ON THE ANTIFREEZE COOLANT TANK WHERE THE THIN HOSE CONNECTS TO THE COOLANT TANK ON TOP, THE STE... |
| Jul 22, 2010 | ENGINE AND ENGINE COOLING,EQUIPMENT | THE CAM SENSORS ON THE MERCEDES M271 ENGINE LEAK OIL WHICH SPREADS TO OTHER COMPONENTS VIA THE WIRE ... |
| Jan 29, 2010 | ENGINE | TL* THE CONTACT OWNS A 2003 MERCEDES BENZ C230. THE CONTACT STATED THAT THE CHECK ENGINE WARNING LIG... |
| Aug 27, 2009 | ENGINE AND ENGINE COOLING | ENGINE HARNESS AND CAMSHAFT SOLENOIDS CONTAMINATED DUE TO LEAKING OIL WHICH SUBSEQUENTLY REQUIRED RE... |
| Jul 10, 2009 | ENGINE AND ENGINE COOLING | C230K COUPE AT 73,000 MILES WITH SUDDEN VALVE GUIDES WORN BAD CYLINDER,COMPRESSION LOSS RECENTLY... |
| May 15, 2009 | ENGINE AND ENGINE COOLING,POWER TRAIN | ON A 2003 C 320 MBNZ, THE RADIATOR NOW LEAKS INTO THE TRANSMISSION. THIS IS GOING TO REQUIRE THE RAD... |
| Mar 30, 2009 | ENGINE AND ENGINE COOLING | TL*THE CONTACT OWNS A 2003 MERCEDES BENZ C230. WHEN THE VEHICLE WAS STARTED, IT SHOOK UNCONTROLLABL... |
| Dec 17, 2008 | ENGINE AND ENGINE COOLING,ELECTRICAL SYSTEM | 2003 MERCEDES C240 STALLS IMMEDIATELY AFTER PROLONGED TURNPIKE TRAVEL ( 1.5 HOURS) AT EXIT RAMP TO A... |
| Sep 1, 2008 | ENGINE AND ENGINE COOLING | CHECK ENGINE LIGHT CAME ON. I TOOK IT TO THE DEALER AND THEY TOLD ME THAT THE O2 SENSOR NEEDS TO BE ... |
| May 28, 2008 | ENGINE AND ENGINE COOLING | THE CHECK ENGINE LIGHT GOES ON, THE NEXT DAY I GO TO INDEPENDENT MERCEDES SHOP. THEY TELL ME MY O2 S... |
| Apr 5, 2008 | ENGINE AND ENGINE COOLING | CAMSHAFT MAGNET LEAKING PUSHING OIL THROUGH ENGINE HARNESS" HARNESS, ECU, O2 SENSORS NEEDS TO BE REP... |
| Feb 20, 2008 | ENGINE AND ENGINE COOLING,FUEL SYSTEM, GASOLINE | TL*THE CONTACT OWNS A 2003 MERCEDES BENZ C230. THE VEHICLE WOULD ONLY START AFTER SEVERAL ATTEMPTS.... |
| May 18, 2007 | ENGINE AND ENGINE COOLING | THIS HAPPENED IN MY 2003 C320 AT 54,000 MILES. I INITIALLY NOTICED A LIGHT RUBBING OR GRINDING WHIL... |