The 1990 Mercedes-Benz 300 has 4 NHTSA recall campaigns affecting an estimated 130,456 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 5 complaints with NHTSA, most often about the air bags. Last updated July 5, 2026.
DUE TO HEAT EFFECTS, THE THROTTLE BUSHING LOCATED ON THE ACCELERATOR CONTROL CABLE, CAN FATIGUE AND BREAK, CAUSING THE THROTTLE LINKAGE TO SEPARATE.
IF THE THROTTLE LINKAGE SEPARATES, THE ENGINE WILL RETURNTO IDLE SPEED, AND REMAIN AT IDLE, WITH NO ACCELERATION ABILITY. LOSS OF ENGINESPEED WITHOUT PRIOR WARNING COULD LEAD TO LOSS OF VEHICLE CONTROL AND ANACCIDENT.
REPLACE THE THROTTLE BUSHING WITH A NEW BUSHING MADE FROM MORE HEAT-RESISTANT MATERIALS.
UNDER CERTAIN OPERATING CONDITIONS, THE PLASTIC COVER OF THE PRERESISTOR FOR THE AUXILIARY FAN MAY MELT, POSSIBLY IGNITING THE PRERESISTOR.
THIS RESULTS IN AN UNDERHOOD FIRE THAT WOULD BE HAZARDOUS TO OCCUPANTS.
REPLACE THE PRERESISTOR WITH VERSION HAVING A METAL COVER.
LEFT FRONT AND LEFT REAR TIRES MAY HAVE BEEN DAMAGED BY A WORN CHAIN DRIVE OF THE CONVEYOR SYSTEM.
DAMAGED OR CUT TIRES COULD FAIL DURING USE AND RESULT IN AN ACCIDENT WITH POSSIBLE INJURIES.
REPLACE DAMAGED TIRES WITH TIRES OF THE SAME BRAND NAME.
BOLTS USED FOR THE BRAKE STRUT SUPPORT DO NOT MEET SPECIFICATIONS AND MAY BREAK.
THE FAILURE OF THE BOLTS MAY RESULT IN A DETERIORATION OF VEHICLE STEERING AND BRAKING WHICH COULD RESULT IN LOSS OF CONTROL AND AN ACCIDENT.
REPLACE HEX NUT BOLTS WITH BOLTS THAT MEET SPECIFICATIONS.
Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.
“I drop my car to the service station for smog check, next day I called mechanic,to see if my car is done. He said no it still have a high reading on hydro emission. He said he will try to inject water and or some kind of chemical into the engine to rejuvenate the catalytic converter. Next day he…”
“While driving there was a loud noise due to the rear motor mounts dropping. Dealer has seen vehicle. *ak”
“A/c heater core leaked allowing the toxic anti-freeze to spray into the vehicle onto consumer.”
“The passenger side air bag has melted. Tt”
“300 se, vehicle stalls at any speed, check engine light comes on intermittantly. Dealer unable to find problem. Mr”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1990 Mercedes-Benz 300 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.