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Vehicle statistics

Mercedes-Benz 300

193 owner complaints (NHTSA, USA) + recalls with manufacturer remedies. Real numbers, not prose.

Worst year: 1993 · 38 complaints

Most reported problem areas: Electrical System

Complaints by model year

1980
2
1982
1
1983
6
1984
3
1985
4
1986
13⚠ 3
1987
28⚠ 2 🔥 3
1988
7
1989
5 🔥 1
1990
5
1991
18⚠ 2 🔥 2
1992
22⚠ 2 🔥 2
1993
38⚠ 2 🔥 2
1994
4
1995
13 🔥 2
1996
8
1997
5
1998
2
1999
6
2002
3

Most reported problem areas

Electrical System51
Engine And Engine Cooling46
Air Bags26
Vehicle Speed Control18
Power Train16
Service Brakes15
Tires14
Hydraulic13
Fuel System11
Gasoline10

Recalls with manufacturer remedy (6)

1991 Visibility (96V175000)

Defect: IF ONE OF THE HEADLAMP WIPER ARMS BECOMES MISALIGNED, THE WIPER BALDE CAN LODGE IN THE GROOVE UNDER THE HEADLAMP. IF THE WASHERS ARE ACTIVATED WITH THE WIPER BLADE IN THE MISALIGNED AND LODGED POSITION, THE WASHER PUMP WILL RUN CONTINUOUSLY EXPELLING ALL AVAILABLE FLUID.

Risk: PUMP OPERATION IN THE ABSENCE OF FLUID CAN CAUSE THE PUMP TO OVERHEAT AND CAUSE A VEHICLE FIRE.

Manufacturer fix: DEALERS WILL REPLACE THE HEADLAMP WASHER PUMP ON THESE VEHICLES.

1990 Tires (90V062000)

Defect: LEFT FRONT AND LEFT REAR TIRES MAY HAVE BEEN DAMAGED BY A WORN CHAIN DRIVE OF THE CONVEYOR SYSTEM.

Risk: DAMAGED OR CUT TIRES COULD FAIL DURING USE AND RESULT IN AN ACCIDENT WITH POSSIBLE INJURIES.

Manufacturer fix: REPLACE DAMAGED TIRES WITH TIRES OF THE SAME BRAND NAME.

1990 Equipment (90V068000)

Defect: UNDER CERTAIN OPERATING CONDITIONS, THE PLASTIC COVER OF THE PRERESISTOR FOR THE AUXILIARY FAN MAY MELT, POSSIBLY IGNITING THE PRERESISTOR.

Risk: THIS RESULTS IN AN UNDERHOOD FIRE THAT WOULD BE HAZARDOUS TO OCCUPANTS.

Manufacturer fix: REPLACE THE PRERESISTOR WITH VERSION HAVING A METAL COVER.

1988 Vehicle Speed Control (93V095000)

Defect: DUE TO HEAT EFFECTS, THE THROTTLE BUSHING LOCATED ON THE ACCELERATOR CONTROL CABLE, CAN FATIGUE AND BREAK, CAUSING THE THROTTLE LINKAGE TO SEPARATE.

Risk: 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.

Manufacturer fix: REPLACE THE THROTTLE BUSHING WITH A NEW BUSHING MADE FROM MORE HEAT-RESISTANT MATERIALS.

various years Engine And Engine Cooling (67V054000)
various years Service Brakes, Hydraulic (71V073000)

CodMec cases on this model

No CodMec case on this model yet — statistics above are the starting point.

Open a case on this model

Source: NHTSA (US public domain data). CodMec cases: from the community.