Total Complaints
38 filings
MERCEDES-BENZ 300 · model year
38 NHTSA complaints, 4 crash reports for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1987MERCEDES-BENZ300 carries 38 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 4 crashes, 4 fires, 10 injuries, and 1 fatality. 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 1987 300 is engine and engine cooling:engine:gasoline with 4 filings, followed by air bags (4) and vehicle speed control (3). 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 1987 300. 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
38 filings
Crashes Reported
4 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE | 4 |
| AIR BAGS | 4 |
| VEHICLE SPEED CONTROL | 3 |
| POWER TRAIN:AUTOMATIC TRANSMISSION | 3 |
| TIRES | 2 |
| ENGINE AND ENGINE COOLING:ENGINE | 2 |
| FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS | 1 |
| VISIBILITY:WINDSHIELD WIPER/WASHER | 1 |
| ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD | 1 |
| POWER TRAIN:AUTOMATIC TRANSMISSION:PARK/NEUTRAL START INTERLOCK SWITCH | 1 |
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER | 1 |
| AIR BAGS:FRONTAL | 1 |
| EXTERIOR LIGHTING:TURN SIGNAL | 1 |
| ENGINE AND ENGINE COOLING:EXHAUST SYSTEM | 1 |
| ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL | 1 |
I WAS DRIVING HOME FROM WORK (IT'S A TEN MILE DRIVE ONE WAY) WHEN THE CAR STARTED TO GO FASTER AND FASTER UNTIL IT REACHED ABOUT 110 MPH. I COULDN'T GET IT TO STOP. I FORCED IT TO SLOW DOWN ENOUGH TO EXIT THE FREEWAY, LEAVING SKID MARKS IN THE ROAD, AND WAS ABLE TO TURN THE CAR OFF. I WAITED FOR A FRIEND TO COME AND SEE IF THEY COULD HELP. WHEN THEY GOT THERE THEY HAD ME TURN THE CAR ON IN PARK. THE ENGINE STARTED TO REVVED REALLY FAST SO I TURNED THE CAR OFF TO KEEP THE VALVES FROM BEING DAMAGED. WE TOWED THE CAR OURSELVES THE LAST HALF MILE HOME. JUST A NOTE THE CAR HAS THE ORIGINAL ENGINE BUT IT WAS COMPLETELY REBUILT ABOUT FIVE YEARS AGO AND WASN'T REALLY DRIVEN MUCH UNTIL ABOUT A YEAR AGO.
Mileage: 303,000
AFTER BEING HIT FROM THE FRONT PASSENGER SIDE, THE THROTTLE STUCK IN A FULL THROTTLE MODE. THE IGNITION SWITCH DID NOT STOP THE VEHICLE, WHICH REMAINED IN FULL THROTTLE MODE AFTER TURNING TO THE OFF POSITION, AND THE BRAKES WERE IMPAIRED TO THE POINT THAT I COULD NOT OVERPOWER THE ACCELERATION, CAUSING ME TO BE FORCED TO FIND A LOCATION TO CRASH MY VEHICLE, WHICH WAS A BUILDING. EVIDENTLY, THE HOOD HAD PINNED THE THROTTLE FULLY BACK, AND THE VACUUM HOSES, WHICH ARE NECESSARY TO CUT FUEL TO THE DIESEL WE SEVERED. ALSO THE VACUUM HOSES BEING CUT NEGATED THE POWER ASSIST TO THE BRAKES THUS CAUSING THE MALFUNCTION. *TR
Mileage: 134,000
AFTER BEING HIT FROM THE FRONT PASSENGER SIDE, THE THROTTLE STUCK IN A FULL THROTTLE MODE. THE IGNITION SWITCH DID NOT STOP THE VEHICLE, WHICH REMAINED IN FULL THROTTLE MODE AFTER TURNING TO THE OFF POSITION, AND THE BRAKES WERE IMPAIRED TO THE POINT THAT I COULD NOT OVERPOWER THE ACCELERATION, CAUSING ME TO BE FORCED TO FIND A LOCATION TO CRASH MY VEHICLE, WHICH WAS A BUILDING. EVIDENTLY, THE HOOD HAD PINNED THE THROTTLE FULLY BACK, AND THE VACUUM HOSES, WHICH ARE NECESSARY TO CUT FUEL TO THE DIESEL WE SEVERED. ALSO THE VACUUM HOSES BEING CUT NEGATED THE POWER ASSIST TO THE BRAKES THUS CAUSING THE MALFUNCTION. *TR
Mileage: 134,000
AFTER BEING HIT FROM THE FRONT PASSENGER SIDE, THE THROTTLE STUCK IN A FULL THROTTLE MODE. THE IGNITION SWITCH DID NOT STOP THE VEHICLE, WHICH REMAINED IN FULL THROTTLE MODE AFTER TURNING TO THE OFF POSITION, AND THE BRAKES WERE IMPAIRED TO THE POINT THAT I COULD NOT OVERPOWER THE ACCELERATION, CAUSING ME TO BE FORCED TO FIND A LOCATION TO CRASH MY VEHICLE, WHICH WAS A BUILDING. EVIDENTLY, THE HOOD HAD PINNED THE THROTTLE FULLY BACK, AND THE VACUUM HOSES, WHICH ARE NECESSARY TO CUT FUEL TO THE DIESEL WE SEVERED. ALSO THE VACUUM HOSES BEING CUT NEGATED THE POWER ASSIST TO THE BRAKES THUS CAUSING THE MALFUNCTION. *TR
Mileage: 134,000
ADDITIONAL SPACE IS NEEDED TO PROVIDE A COPY OF THE COMPLAINT AND EXPERTS' OPINIONS WHICH CONTAIN THE REQUESTED INFORMATION. PLEASE PROVIDE ME AN E-MAIL ADDRESS, A MAILING ADDRESS AND/OR A FAX NUMBER. THANK YOU. *TR THE CONSUMERS 4 OLD SON WAS INSIDE THE VEHICLE. AS THE MOTHER WAS REMOVING THE CHILD FROM THE VEHICLE, THE CHILD INADVERTENTLY MADE CONTACT WITH THE CENTER AUTOMATIC TRANSMISSION SHIFT LEVER, WHICH CAUSED THE AUTOMOBILE TO SHIFT FROM PARK TO ANOTHER GEAR. THE CONSUMER HAD HER 6 MONTH OLD SON IN HER ARMS. AS SOON AS THE VEHICLE SHIFTED OUT OF PARK, IT ROLLED BACKWARDS. THE FRONT PASSENGER DOOR HIT THE MOTHER, AND THE 6 MONTH FELL FROM HIS MOTHERS ARMS AND FELL TO THE GROUND, PARTIALLY UNDERNEATH THE VEHICLE. THE RIGHT FRONT TIRE HAD ROLLED SUFFICIENTLY TO PINCH THE CHILD BETWEEN THE ROAD AND THE TIRE. THE KEYS WERE NOT IN THE IGNITION. THE VEHICLE DIDN'T REQUIRE A SHIFT LEVER RELEASE BUTTON TO BE DEPRESSED BEFORE THE SHIFT LEVER COULD BE MOVED FROM PARK TO ANOTHER G
CRACKS IN THE REAR SUB-FRAME THE NECESSITATED A $3,000 REPAIR THAT MERCEDES-BENZ WOULD NOT COVER. IT WAS RECOMMENDED THAT I NOT DRIVE THE CAR UNTIL THE REPAIR WAS MADE. THE PIECE IN QUESTION WAS ABOVE THE REAR AXLE AND SUPPORTED THE SUSPENSION AND REAR SPRINGS. FROM RESEARCH I HAVE DONE IT AFFECTED 1987-1988 MERCEDES STATION WAGONS. I READ THAT MERCEDES COVERED THIS REPAIR FOR 10 YEARS, BUT NOT IN THE US. I THINK THIS REPAIR SHOULD BE A WARRANTY ITEM FOR THE LIFE OF THE VEHICLE. THE REPLACEMENT PIECE WAS MUCH HEAVIER THAN THE ONE THAT ORIGINALLY CAME ON THE CAR. I KEPT THE OLD PIECE IF ANYONE NEEDS TO INSPECT THE FAILURE. *TR
Mileage: 211,750
THE RIGHT REAR TIRE OF MY MERCEDES BENZ 300 SDL (YEAR 1987) HAD A BLOW OUT AT A SPEED OF APPROX. 40 MPH. THE ORIGIN OF THE BLOW OUT IS THE INNER SIDE WALL OF THE TIRE. THE TIRE IS A MICHELIN MXV4. I WAS TRAVELING ON TELEPHONE ROAD BY HOUSTON'S HOBBY AIRPORT WHEN THE INCIDENT OCCURRED. THE ROAD WAS CLEAR OF POTHOLES AND DEBRIS. THE BLOWOUT SOUNDED LIKE GUNFIRE. I TRAVELED ANOTHER 50 YARDS TO GET TO A SAFE AREA TO CHANGE THE TIRES. I AM FORTUNATE THAT THIS DID NOT HAPPEN THE DAY BEFORE WHEN I WAS GOING 75MPH ON I10. TOOK THE TIRE BACK TO TIREMAX WHERE IT WAS PURCHASED AND THEY SAID THAT IT IS DUE TO A ROAD HAZARD. I DISAGREE BECAUSE I DID NOT ENCOUNTER A ROAD HAZARD NOR HAVE I GONE OVER POTHOLES THAT MAY HAVE WEAKENED THE TIRES. LET THIS BE A RECORD THAT I HAVE REGISTERED A COMPLAINT WITH MICHELIN AND HAVE BROUGHT THE TIRE BACK TO TIREMAX FOR INSPECTION. *TR
DRIVING ON INTERSTATE...AIRBAG DEPLOYED, SEAT BELTS LOCKED, CAUSED INJURIES TO LEFT ARM, PAIN UP THROUGH ARM AND NECK, BRUISES, AND BURNS. DROVE TO MB ON 5/30/06. THEY CHECKED CAR OUT. MB STATED IT WAS THE FRONT FLEX DISC THAT BROKE AND HIT THE SENSER TO CAUSE AIRBAG AND ALL SAFETY FEATURES TO LOCK UP. GAVE ME MY CAR BACK, WITHOUT ASKING TO FIX MY SAFETY FEATURES.. FLEX DISC WAS BOUGHT NEW AND INSTALLED 4 MONTHS EARLIER. HAD ANOTHER NEW DISC INSTALLED ON 6/3/06. WOULD LIKE TO HAVE MY SAFETY FEATURES FIXED. *JB
Mileage: 141
DRIVING ON INTERSTATE...AIRBAG DEPLOYED, SEAT BELTS LOCKED, CAUSED INJURIES TO LEFT ARM, PAIN UP THROUGH ARM AND NECK, BRUISES, AND BURNS. DROVE TO MB ON 5/30/06. THEY CHECKED CAR OUT. MB STATED IT WAS THE FRONT FLEX DISC THAT BROKE AND HIT THE SENSER TO CAUSE AIRBAG AND ALL SAFETY FEATURES TO LOCK UP. GAVE ME MY CAR BACK, WITHOUT ASKING TO FIX MY SAFETY FEATURES.. FLEX DISC WAS BOUGHT NEW AND INSTALLED 4 MONTHS EARLIER. HAD ANOTHER NEW DISC INSTALLED ON 6/3/06. WOULD LIKE TO HAVE MY SAFETY FEATURES FIXED. *JB
Mileage: 141
I WAS DRIVING MY 1987 MERCEDES 300E ON THE INTERSTATE, WHEN SUDDENLY THE AIR BAG DEPLOYED FOR NO REASON, INJURING MY LEFT ARM, BURNS AND BRUISES FROM THE AIRBAG. WOULD LIKE TO KNOW WHAT I CAN DO TO SETTLE THIS MATTER. *JB
Mileage: 14,100
THE CONSUMER FOUND OUT THE VEHICLE'S PREVIOUS OWNER/SELLER, TAMPERED WITH THE ODOMETER. MR SCC *JB
VEHICLE WAS AT A COMPLETE STOP, AND THE AIR BAG DEPLOYED. DRIVER SUSTAINED INJURIES TO THERE NECK AND WRIST. PH
Mileage: 200,220
FRONT SHOCK TOWER FAILED THE FRONT OF THE VEHICLE TO COLLAPSED. PLEASE PROVIDE ANY ADDITIONAL INFORMATION. TS
AIR BAGS DEPLOYED WHILE DRIVING AT 55MPH. VEHICLE WAS NOT INVOLVED IN A COLLISION. AFTER VEHICLE WAS INSPECTED IT WAS DETERMINED THAT FLEX DISC CAUSED DRIVESHAFT TO COME LOOSE,ACTIVATING THE AIR BAG SENSOR. MANUFACTURER WAS NOTIFIED.*AK THE DRIVETRAIN HAD SNAPPED AND THE SENSOR TO THE AIR BAG IS LOCATED THERE, CAUSING THE AIRBAG TO DEPLOY. *SLC
AIR BAGS DEPLOYED WHILE DRIVING AT 55MPH. VEHICLE WAS NOT INVOLVED IN A COLLISION. AFTER VEHICLE WAS INSPECTED IT WAS DETERMINED THAT FLEX DISC CAUSED DRIVESHAFT TO COME LOOSE,ACTIVATING THE AIR BAG SENSOR. MANUFACTURER WAS NOTIFIED.*AK THE DRIVETRAIN HAD SNAPPED AND THE SENSOR TO THE AIR BAG IS LOCATED THERE, CAUSING THE AIRBAG TO DEPLOY. *SLC
TIRE FAILED ON EXPRESSWAY. AIR PRESSURE WAS CHECHED THE DAY BEFORE AND WAS 30PSI. WHEN TIRE FAILED A IT SOUNDED LIKE A TIRE GOING OVER THE DIRVER ALERT STRIPS OR GROOVES CUT INTO THE PAVEMENT ON THE SHOULDER OF SOME ROADS. NOTE THE EXPRESSWAY DID NOT HAVE THE GROOVES ON IT. AFTER NOISE IMMEDIATLY STARTED TO GET OVER TO RIGHT SHOULDER. WHEN STEERING WHEEL TURNED A SMOKE LIKE DUST CLOUD APPEARED ARROUND TIRE. WHEN STOPPED ON SIDE OF ROAD THE TIRE WAS COMPLETLY OFF OF RIM ON THE OUTSIDE. A SMALL AMOUNT OF BLACK DUST WAS AROUND THE TIRE. SAMS CLUB CLAIRMONT ROAD DECATUR GA REPLACED TIRE AND CHECKED MANUFACTURES DEFECT. (DOT NUMBER: C6D311 TIRESIZE: P195/65R15)
MY SON (DOB 2 JULY 97) CAN UNHOOK BOTH THE TOP CLIP AND THE BUCKLES TO GET OUT OF THE CAR SEAT WHILE WE ARE DRIVING. WE PURCHASED THREE OF THESE SEATS BASED ON THE RECOMMENDATION OF THE KISS OFFICE.
ENGINE SUDDENLY STARTED "BURNING" OIL, THEN LOST POWER AND THEN STARTED SMOKING; MECHANIC CLAIMS VALVE GASKET, VALVE SLEEVES, WATER PUMP AND TIMING CHAIN MUST BE REPLACED AT COST OF $3,000, DESPITE COMPANY'S CLAIM THAT THE MOTORS LAST 250,000 TO 300,000 MILES; CAN'T GUARANTEE THAT THIS WILL FIX THE PROBLEM. REBUILT ENGINE WILL COST $10,000. ELECTRICAL PROBLEM IS SHORT IN DRIVER'S SIDE POWER WINDOW THAT CAUSES FUSES TO BURN OUT. MECHANIC CAN'T FIND THE PROBLEM. IN ADDITION, TRIP ODOMETER STOPPED WORKING.
ENGINE SUDDENLY STARTED "BURNING" OIL, THEN LOST POWER AND THEN STARTED SMOKING; MECHANIC CLAIMS VALVE GASKET, VALVE SLEEVES, WATER PUMP AND TIMING CHAIN MUST BE REPLACED AT COST OF $3,000, DESPITE COMPANY'S CLAIM THAT THE MOTORS LAST 250,000 TO 300,000 MILES; CAN'T GUARANTEE THAT THIS WILL FIX THE PROBLEM. REBUILT ENGINE WILL COST $10,000. ELECTRICAL PROBLEM IS SHORT IN DRIVER'S SIDE POWER WINDOW THAT CAUSES FUSES TO BURN OUT. MECHANIC CAN'T FIND THE PROBLEM. IN ADDITION, TRIP ODOMETER STOPPED WORKING.
ENGINE SUDDENLY STARTED "BURNING" OIL, THEN LOST POWER AND THEN STARTED SMOKING; MECHANIC CLAIMS VALVE GASKET, VALVE SLEEVES, WATER PUMP AND TIMING CHAIN MUST BE REPLACED AT COST OF $3,000, DESPITE COMPANY'S CLAIM THAT THE MOTORS LAST 250,000 TO 300,000 MILES; CAN'T GUARANTEE THAT THIS WILL FIX THE PROBLEM. REBUILT ENGINE WILL COST $10,000. ELECTRICAL PROBLEM IS SHORT IN DRIVER'S SIDE POWER WINDOW THAT CAUSES FUSES TO BURN OUT. MECHANIC CAN'T FIND THE PROBLEM. IN ADDITION, TRIP ODOMETER STOPPED WORKING.
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.