NHTSA Data Explorer
Mercedes-Benz 300SD
Data refreshed October 26, 2026
Select a model year to filter results to that year of the Mercedes-Benz 300SD.
Complaints
108
Active records
Recalls
4
Active records
TSBs
9
Active records
Filing history
Monthly totals over the last 20 years. Click a legend item to show or hide that series.
Reported severity
Based on consumer complaints filed since 2000. Recalls and TSBs do not include severity data.
Deaths
0
Injuries
5
Crashes
6
Fires
8
Top reported issues — Mercedes-Benz 300SD
Click a category to expand its values.
Condition issue
Operating state
Engine behavior
Electrical issue
Thermal issue
Starting behavior
Performance issue
Reporting mechanism
Safety restraint issue
Vibration/harshness
Noise
Safety restraint behavior
Access/entry issue
Fluid issue
Smell
Transmission/drivetrain behavior
Braking behavior
HVAC behavior
Driver assistance issue
Recent change
Ride/handling behavior
Wiper/washer behavior
Recent filings
The 10 most recent filings for each type.
1993 MERCEDES BENZ 300SD
Filed Aug 22, 2019
TL* THE CONTACT OWNS A 1993 MERCEDES-BENZ 300SD. THE CONTACT STATED THAT THE INSULATION HAD EXPOSED AND BURNT WIRES. THE CONTACT CALLED ARLINGTON MERCEDES-BENZ (585 N GLEBE RD, ARLINGTON, VA 22203, (703) 525-2100) AND WAS INFORMED THAT THEY NO LONGER HAD PARTS FOR THE VEHICLE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT CONTACTED. THE VIN WAS UNKNOWN. THE FAILURE MILEAGE WAS 141,172.
1993 MERCEDES BENZ 300SD
Filed Sep 10, 2016
THE ENGINE WIRING HARNESS OF MY 1993 MERCEDES-BENZ 300SD HAS CRACKED INSULATION THROUGHOUT AND IS BEGINNING TO SHORT-CIRCUIT WITH THE RISK OF CAUSING DANGEROUS ENGINE MALFUNCTION AND FIRE. I HAVE READ MANY REPORTS OF OTHER MERCEDES-BENZ CARS OF THE SAME AGE RANGE 1992-1997 HAVING THE EXACT SAME DEFECT ECO WIRING. JUST LOOK AT ANY ONLINE FORUM OR TALK TO ANY MERCEDES TECHNICIAN. THIS IS A KNOWN ISSUE WITH MERCEDES THAT THEY REFUSE TO RECALL.
1992 MERCEDES BENZ 300SD
Filed Jun 17, 2014
ENGINE WIRING HARNESS PART# 140 540 2005. THIS HARNESS HAS COMPLETELY DETERIORATED CAUSING THE ENGINE TO BE INOPERABLE. AFTER MONTHS OF RESEARCH ONLINE AND PHONE CALLS TO MB I HAVE NO PARTS AND NO ANSWERS TO THE PROBLEM. SO MANY OF THESE CARS HAVE HAD THESE PROBLEMS AND YET NO RECALL HAS BEEN ISSUED. WHY? IT IS A FIRE WAITING TO HAPPEN. THERE ARE MANY HARNESS AVAILABLE FOR VARIOUS MODELS WITH THE INFAMOUS BIODEGRADABLE WIRING PROBLEM. THERE ARE MANY DIFFERENT PRICE RANGES ALSO, BUT THEY…
1993 MERCEDES S CLASS
Filed Mar 12, 2014
THE FUEL INJECTION WIRING HARNESS HAS INSULATION THAT IS BADLY CRACKED AND FLAKING OFF CAUSING FAULT CODES AND POOR RUNNING. THE BODY HARNESS HAS CRACKED INSULATION AS WELL. WHILE THIS IS AN OLDER CAR IT IS LOW MILES AND HAS SPENT ITS LIFE STORED INDOORS. I HAVE A 1968 MODEL AMC CAR. THE WIRING IS FINE STILL. THIS WAS A SERIOUS DESIGN FLAW FROM DAY ONE. IT WOULDN'T BE SO BAD IF THE REPLACEMENT PART WAS NOT SO EXPENSIVE - 750 DOLLARS. *TR
1993 MERCEDES BENZ 300 SERIES
Filed Sep 29, 2013
BATTERY GOES DEAD, REPLACED BATTERY, IT GOES DEAD. CHARGED BATTERY , IT GOES DEAD. *TR
1993 MERCEDES BENZ MERCEDES BENZ
Filed May 16, 2013
THE ENGINE / FUEL INJECTION WIRING HARNESS OF MY 1993 MERCEDES-BENZ 300E 156000 MILES), HAS CRACKED INSULATION THROUGHOUT AND IS BEGINNING TO SHORT-CIRCUIT WITH THE RISK OF CAUSING DANGEROUS ENGINE MALFUNCTION--AND EVEN FIRE--INSIDE MY ENGINE COMPARTMENT. I HAVE READ MANY REPORTS OF OTHER MERCEDES-BENZ CARS OF THE SAME AGE RANGE HAVING THE EXACT SAME DEFECT. THIS IS A KNOWN ISSUE WITH MERCEDES THAT THEY REFUSE TO RECALL. *TR
1993 MERCEDES BENZ 300
Filed Apr 10, 2013
THE ENGINE HARNESS PROBLEM AFTER OWNING MY CAR SINCE 1993. IT IS CLEAR THAT THE ENGINE HARNESS WAS MADE WITH BIODEGRADABLE MATERIAL WHICH HAS NOW LOST IT'S PLASTIC COVERING OVER THE METAL WIRES. WITH WIRES EXPOSED AFTER THE ENGINE HARNESS DEGRATION, THE CAR WHICH WAS SUPPOSED TO LAST ME FOR A LONG TIME, HAS BECOME IMPOSSIBLE TO USE. WITHOUT THE PROPER HARNESS REPLACEMENT, THE CAR IS TOTALLY USELESS. UPON CHECKING INTO THIS PROBLEM I HAVE FOUND OUT THAT EVERY E300 BUILT BETWEEN 1992 AND 1997…
1992 MERCEDES BENZ 300 SERIES
Filed Dec 11, 2012
THE GUY SOLD TO ME WITH IT NOT RUNNING HE SAID HE HAD THE WIRING HARNESS REPLACED AND IT STILL DON'T RUN 700 WAS SPENT I HAVE RECITE ITS A 1992 300SE THIS IS SICK THIS IS WHAT [XXX] TOLD HIM AND IT STILL DON'T RUN SO NOW WHAT? INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
1993 MERCEDES BENZ MERCEDES BENZ
Filed Nov 25, 2012
MASS AIR FLOW SENSOR WENT BAD , COZE OF WIRING HARNESS .. *TR
1992 MERCEDES BENZ 300 SERIES
Filed Aug 3, 2012
I WAS GOING WEST ON VINEYARD AND 10TH ST, A CAR TRAVELING (65MPH) SOUTH ON 10TH ST HIT THE PASSENGER SIDE DOOR PUSHING THE CAR INTO A POLE DAMAGING THE LEFT FRONT END. *TR