1987 Mercedes-Benz 300 Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 1987 Mercedes-Benz 300, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Engine720.6%
- Airbags617.6%
- Transmission411.8%
- Driver assistance38.8%
- Tires & wheels38.8%
- Fuel system25.9%
- Seat belts25.9%
- Visibility12.9%
- Body & structure12.9%
- Brakes12.9%
- Electrical12.9%
- Interior & seats12.9%
- Exterior lighting12.9%
- Suspension12.9%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
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.
DEALER REFUSED RECALL REPAIRS ON THE TRAP OXIDIZER BECAUSE THE COMPONENT HAS NOT YET FAILED.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Airbags
Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.
From owner reports, verbatim
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
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
Too few reports in this category for a page of its own — they appear in the full complaint list.
Transmission
Reports naming the automatic or manual transmission, including shifting behaviour, shudder, slipping and transmission control modules.
From owner reports, verbatim
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 GEAR. THE CONSUMER STATED THE FAILURE TO INCORPORATE AN IGNITION SWITCH SHIFT INTERLOCK DEVICE WHICH WOULD REQUIRE THE KEY TO BE PLACED IN THE IGNITION SWITCH IN THE ON POSITION AND THE BRAKE BEING APPLIED BEFORE CHANGING GEARS CONSTITUTES A DESIGN DEFECT. UPDATED
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
Too few reports in this category for a page of its own — they appear in the full complaint list.
Driver assistance
Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems.
From owner reports, verbatim
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.
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
Too few reports in this category for a page of its own — they appear in the full complaint list.
Tires & wheels
Reports naming tires, wheels, hubs, or the tire-pressure monitoring system.
From owner reports, verbatim
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
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)
Too few reports in this category for a page of its own — they appear in the full complaint list.
Fuel system
Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.
From owner reports, verbatim
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
AFTER PULLING FROM STOP, OWNER FLAGGED. OWNER STOPPED W/SMOKE FOLLOWED BY FLAMES. FIRE MARSHALL THINKS RUPTURED FUEL LINE. PLEASE DESCRIBE DETAILS. TT
Too few reports in this category for a page of its own — they appear in the full complaint list.
Seat belts
Reports naming seat belts, buckles, retractors and pretensioners.
From owner reports, verbatim
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
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.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Visibility
Reports naming windshields, glass, wipers, defrosters and mirrors.
From owner reports, verbatim
WINDSHIELD WIPER MOTOR HAS FAILED. TT
Too few reports in this category for a page of its own — they appear in the full complaint list.
Body & structure
Reports naming the vehicle structure, frame, body panels, doors, hood and trim.
From owner reports, verbatim
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
Too few reports in this category for a page of its own — they appear in the full complaint list.
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
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
Too few reports in this category for a page of its own — they appear in the full complaint list.
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
WHILE DRIVING VEHICLE UNDER THE HOOD FIRE, ELECTRICAL SHORT, WILL PROVIDE MORE INFORMATION. TT
Too few reports in this category for a page of its own — they appear in the full complaint list.
Interior & seats
Reports naming seats, latches, locks, linkages and interior fittings.
From owner reports, verbatim
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.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Exterior lighting
Reports naming headlights, tail lights, turn signals and other exterior lighting.
From owner reports, verbatim
FRONT TURN SIGNAL FIXTURE FELL OFF OF VEHICLE ON TWO SEPARATE OCCASIONS.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Suspension
Reports naming suspension components — springs, struts, shocks, control arms and related hardware.
From owner reports, verbatim
FRONT SHOCK TOWER FAILED THE FRONT OF THE VEHICLE TO COLLAPSED. PLEASE PROVIDE ANY ADDITIONAL INFORMATION. TS
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .