There are 11 owner-reported air bags & restraints complaints for the 2004 Mercedes-Benz C-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
SRS ABS ESP lights occasionally go on and off mostly the SRS take to shop does not come on or stay on obd2 does not detect may use clear error messages stays off for few weeks then back on and off bought scanner when SRS comes on sometimes it shows error B1035 stored and current the resistance value in the ignition circuit containing component R1 2/20 (left front side airbag ignition squib) is too high sometimes nothing hear this same complaint from many owners. drivers side seat motor only works off and on had replaced sometimes works sometimes does not lots of sensor issues shows a door ajar when it is not have to replace senors
I HAVE A MERCEDES BENZ C230 THE LIGHT IS ON BUT THE SRS IS ON GIVE MESSAGE THAT SAID DRIVE TO A WORK SHOP
MY DAUGHTER IS 18. THIS WAS MY MERCEDES THAT I HANDED DOWN TO HER THAT I THOUGHT WOULD BE SAFE. HOWEVER, THE DRIVER AND PASSENGER SIDE SEAT BELT BUCKLES ARE NOT LOCKING THE SEAT BELTS PROPERLY. THIS IS PART OF A RECALL DONE BY MERCEDES. HOWEVER, WHEN I CALLED THE MERCEDES DEALERSHIP AND ASKED THEM IF MY CAR WAS RECALLED, THEY SAID THAT MY VIN NUMBER WASN'T ONE OF THE CARS. I DON'T UNDERSTAND IF MY CAR IS DOING SAME THING THAT THE RECALL SAYS. THERE WILL BE A HECK OF A LAWSUIT IF MY DAUGHTER WAS TO GET IN A WRECK AND HER SEAT BELT MALFUNCTIONED. THIS IS WHAT THE RECALL SAYS AND MY DAUGHTER'S VEHICLE IS DOING THE SAME THING. ......SOME SEAT BELT BUCKLES MAY HAVE A BURR ON A METAL COMPONENT OF THE LOCKING MECHANISM. THIS COULD PREVENT THE SEAT BELT FROM LOCKING UNDER CERTAIN CONDITIONS. IN THE EVENT OF A CRASH, THE SEAT OCCUPANT MAY NOT BE PROPERLY RESTRAINED, INCREASING THE RISK OF INJURY. DEALERS WILL REPLACE THE AFFECTED SEAT BELTS. THIS RECALL IS EXPECTED TO BEGIN ON DECEMBER 22, 2003. THE MERCEDES-BENZ RECALL NUMBER IS 2003 120006. YOU WOULD THINK MERCEDES WOULD TAKE CAUTION AND FIX THIS IF THE OWNER IS TELLING THEM THE SEAT BELT IS DOING THE SAME THING ON THE CAR THAT THE RECALL SAYS. I WOULD LIKE FOR MERCEDES TO TAKE FULL RESPONSIBLE AND FIX MY VEHICLE AT NO CHARGE. IF NOT AND SOMETHING HAPPENS TO MY DAUGHTER, I WILL FILE A LAWSUIT. PERIOD. THANKS
TL* THE CONTACT OWNS A 2004 MERCEDES-BENZ C320. WHILE DRIVING APPROXIMATELY 50 MPH, THE DRIVER SIDE AIR BAG DEPLOYED INDEPENDENTLY AS THE CONTACT STRUCK A POTHOLE IN THE ROAD. THE VEHICLE WAS TOWED TO A MECHANIC WHERE IT WAS DIAGNOSED THAT THE IMPACT ACTIVATED THE AIR BAG DEPLOYMENT. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 130,000.
VEHICLE HAS 136,000 MILES AND HAS BEEN WELL MAINTAINED BY ALL OWNERS. DRIVERS BUCKLE OR LATCH NO LONGER OPERATING. PRIOR TO THIS IT WAS BECOMING HARD TO RELEASE BUCKLE AFTER USE. NOW STUCK IN CLOSED POSITION. IT INDICATES THAT THE BELT IS BUCKLED BUT IT WILL NOT CATCH. VERIFIED NOTHING IS STUCK IN MECHANISM.
TL* THE CONTACT OWNED A 2004 MERCEDES BENZ C320. WHILE STOPPED, ANOTHER VEHICLE CRASHED HEAD ON INTO THE CONTACT'S VEHICLE. THE AIR BAGS FAILED TO DEPLOY. THE CONTACT SUSTAINED KNEE, BACK, HEAD, AND SHOULDER INJURIES. WHILE WAITING ON POLICE AND MEDICAL SERVICE TO ARRIVE, ANOTHER VEHICLE CRASHED INTO THE REAR OF THE CONTACT'S VEHICLE AND THE AIR BAGS STILL FAILED TO DEPLOY. THE CONTACT'S VEHICLE WAS DESTROYED. A POLICE REPORT WAS FILED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 69,000. ..UPDATED 08/26/15 *BF MA 10/22/2015
TL* THE CONTACT OWNS A 2004 MERCEDES BENZ C240. AFTER THE VEHICLE WAS STARTED, THE SRS WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE REAR PASSENGER SIDE NITROGEN POWER SEAT BELT WAS DEFECTIVE AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 62,000. THE VIN WAS UNAVAILABLE.
TL* THE CONTACT OWNS A 2004 MERCEDES BENZ CLASS. THE CONTACT STATED THAT AS SHE ATTEMPTED TO REACH FOR SOMETHING IN THE VEHICLE, THE FRONT DRIVER'S SIDE SEAT BELT SNAPPED AT THE BUCKLE ASSEMBLY. THE CONTACT TOOK THE VEHICLE TO THE DEALER FOR INSPECTION BUT THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 39,402.
TL*THE CONTACT OWNS A 2004 MERCEDES BENZ C230. THE VEHICLE WAS TAKEN TO THE DEALER FOR SERVICE WHEN THE CONTACT WAS INFORMED THAT THE SEAT BELT COMPUTER CHIP WAS NOT FUNCTIONING. THE FAILURE HAS NOT BEEN REPAIRED. THE CURRENT AND FAILURE MILEAGES WERE 61,000. UPDATED 5/5/08 *CN UPDATED 05/05/08. *JB
VEHICLE IS A C 320 AND WAS TRAVELING AT APPROXIMATELY 30 MILES PER HOUR WHEN ACCIDENT OCCURRED, RECEIVING SIGNIFICANT FRONT END COLLISION BY OTHER VEHICLE AND THEREAFTER HITTING A CONCRETE STREET DIVIDER.DRIVER RECEIVED INJURIES TO HEAD,UPPER AND LOWER BODY AND LEGS.
WHILE DRIVING 30-35 MPH CONSUMER'S VEHICLE WAS INVOLVED IN A COLLISION, VEHICLE WAS HIT ON THE SIDE, AND THE SIDE AIR BAGS FAILED TO DEPLOY. *AK
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026