MERCEDES-BENZ C280 · model year

1994 MERCEDES-BENZ C280

14 NHTSA complaints for this specific cohort.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

The 1994MERCEDES-BENZC280 carries 14 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 6 fires, 0 injuries, and 0 fatalities. 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 1994 C280 is electrical system with 8 filings, followed by engine (4) and power train (1). 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 1994 C280. 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.

14
Complaints
0
Crashes
6
Fires
0
Injuries
0
Deaths

Total Complaints

14 filings

Crashes Reported

0 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

At or below the fleet median complaint volume.

Complaints by Component

ComponentCount
ELECTRICAL SYSTEM8
ENGINE4
POWER TRAIN1
VISIBILITY/WIPER1

Recent Complaints

20191125ELECTRICAL SYSTEM

I JUST BOUGHT THIS W202 94' C280 WITH 150K IN THE SPRING TIME WHICH SURPRISINGLY RAN FINE WITH NO ISSUES, CONSIDERING SOME OF THE LOOM ON THE ELECTRICAL WIRES GOING TO THE CONNECTORS AND SENSORS IS ENTIRELY DISINTEGRATED AND INSULATION IS BREAKING APART LEAVING BARE COPPER WIRES NEAR EACH OTHER OR NEAR METAL BRACKETS. NOW ENTERING THE WINTER TIME WITH INCREASED MOISTURE AND RAIN IT SEEMS TO BE AFFECTING THE VEHICLE MORE SUCH AS CAUSING UNWANTED OPERATION OF COMPONENTS AT FREEWAY SPEEDS LIKE THE EGR WHICH IS ONE OF THE AFFECTED COMPONENTS ON THE DEGRADING LOOM, JUST AS THE SAI AND THE ALTERNATOR POWER WIRES. THE SAI NO LONGER WORKS TO WARM UP MY CAR QUICKER AND THEREFORE THERE IS AN INCREASE OF EMISSIONS AT STARTUP. SOMETIMES THE CAR CHARGING SYSTEM FUNCTIONS VERY POORLY TO WHERE THE BATTERY IS NEARLY DISCHARGED AND EVERYTHING BARELY WORKS, OTHER DAYS WORKS FINE. MOST IMPORTANT OF ALL THE IGNITION COIL AND WIRE CABLES ARE JUST NOW BEING AFFECTED AS WELL TO WHICH AT IDLE I HAVE INTERMIT

Mileage: 170,000

20191125ENGINE

I JUST BOUGHT THIS W202 94' C280 WITH 150K IN THE SPRING TIME WHICH SURPRISINGLY RAN FINE WITH NO ISSUES, CONSIDERING SOME OF THE LOOM ON THE ELECTRICAL WIRES GOING TO THE CONNECTORS AND SENSORS IS ENTIRELY DISINTEGRATED AND INSULATION IS BREAKING APART LEAVING BARE COPPER WIRES NEAR EACH OTHER OR NEAR METAL BRACKETS. NOW ENTERING THE WINTER TIME WITH INCREASED MOISTURE AND RAIN IT SEEMS TO BE AFFECTING THE VEHICLE MORE SUCH AS CAUSING UNWANTED OPERATION OF COMPONENTS AT FREEWAY SPEEDS LIKE THE EGR WHICH IS ONE OF THE AFFECTED COMPONENTS ON THE DEGRADING LOOM, JUST AS THE SAI AND THE ALTERNATOR POWER WIRES. THE SAI NO LONGER WORKS TO WARM UP MY CAR QUICKER AND THEREFORE THERE IS AN INCREASE OF EMISSIONS AT STARTUP. SOMETIMES THE CAR CHARGING SYSTEM FUNCTIONS VERY POORLY TO WHERE THE BATTERY IS NEARLY DISCHARGED AND EVERYTHING BARELY WORKS, OTHER DAYS WORKS FINE. MOST IMPORTANT OF ALL THE IGNITION COIL AND WIRE CABLES ARE JUST NOW BEING AFFECTED AS WELL TO WHICH AT IDLE I HAVE INTERMIT

Mileage: 170,000

20180517ELECTRICAL SYSTEM

ELECTRICAL HARNESS DISINTEGRATED, AND UPPER OLD SEAL IS INFERIOR AND HAS LEAKED SINCE 1995 VIN NUMBER [XXX]. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

20160318FireENGINE

TL* THE CONTACT OWNS A 1994 MERCEDES-BENZ C280. WHILE THE VEHICLE WAS IDLING IN THE DRIVEWAY, SMOKE APPEARED UNDER THE HOOD. THE CONTACT NOTICED THAT THE WIRES AND INSTALLATION WERE ON FIRE UNDER THE HOOD. THE CONTACT EXTINGUISHED THE FIRE. THE VEHICLE WAS TAKEN TO THE DEALER WHERE A NEW WIRING HARNESS WAS INSTALLED AND A FEW SENSORS WERE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 165,000.

Mileage: 165,000

20151001ELECTRICAL SYSTEM

ENGIN WIRING HARNESS COUGHT FIRE CAR WAS PARKED IN THE GARAGE ..

Mileage: 193,000

20150326FireELECTRICAL SYSTEM

ENGINE BEGAN TO MAKE A "BUZZSAW" GRINDING SOUND THAT WAS NOT INITIALLY NOTICED WHILE DRIVING ALONG ON AN 85 MILE INTERSTATE HIGHWAY TRIP. WHILE TRAVELING AT 60 MPH ON A 6 LANE HIGHWAY, ALL THE DASHBOARD LIGHTING BEGAN TO DIM AND MALFUNCTION, THE ELECTRICAL SYSTEM THEN COMPLETELY FAILED AND SHUT DOWN CAUSING THE ENGINE TO STALL OUT, STEERING AND BRAKE FUNCTION BECAME SIGNIFICANTLY DEGRADED DUE TO ENGINE FAILURE (INCLUDING COMPLETE STOPPAGE OF THE WINDSHIELD WIPERS DURING A HEAVY RAIN DOWNPOUR) SAFELY EXITED ROADWAY BY MANEUVERING AROUND TRAFFIC AND COASTING TO ROAD SIDE SHOULDER AT WHICH POINT SMOKE STARTED POURING OUT FROM UNDER HOOD AND FILLING THE PASSENGER COMPARTMENT. CAR WAS SUBSEQUENTLY TOWED TO A MERCEDES DEALERSHIP WHERE THEY IDENTIFIED THE CAUSE OF THE FAILURE AND FIRE AS A SEVERELY DEGRADED ENGINE WIRING HARNESS. THE HARNESS WIRING INSULATION WAS FOUND TO BE BRITTLE, CRACKING AND FALLING APART, LEAVING INDIVIDUAL BARE COPPER WIRES TO MAKE CONTACT WITH EACH OTHER. THIS CONDIT

Mileage: 62,928

20150326FireENGINE

ENGINE BEGAN TO MAKE A "BUZZSAW" GRINDING SOUND THAT WAS NOT INITIALLY NOTICED WHILE DRIVING ALONG ON AN 85 MILE INTERSTATE HIGHWAY TRIP. WHILE TRAVELING AT 60 MPH ON A 6 LANE HIGHWAY, ALL THE DASHBOARD LIGHTING BEGAN TO DIM AND MALFUNCTION, THE ELECTRICAL SYSTEM THEN COMPLETELY FAILED AND SHUT DOWN CAUSING THE ENGINE TO STALL OUT, STEERING AND BRAKE FUNCTION BECAME SIGNIFICANTLY DEGRADED DUE TO ENGINE FAILURE (INCLUDING COMPLETE STOPPAGE OF THE WINDSHIELD WIPERS DURING A HEAVY RAIN DOWNPOUR) SAFELY EXITED ROADWAY BY MANEUVERING AROUND TRAFFIC AND COASTING TO ROAD SIDE SHOULDER AT WHICH POINT SMOKE STARTED POURING OUT FROM UNDER HOOD AND FILLING THE PASSENGER COMPARTMENT. CAR WAS SUBSEQUENTLY TOWED TO A MERCEDES DEALERSHIP WHERE THEY IDENTIFIED THE CAUSE OF THE FAILURE AND FIRE AS A SEVERELY DEGRADED ENGINE WIRING HARNESS. THE HARNESS WIRING INSULATION WAS FOUND TO BE BRITTLE, CRACKING AND FALLING APART, LEAVING INDIVIDUAL BARE COPPER WIRES TO MAKE CONTACT WITH EACH OTHER. THIS CONDIT

Mileage: 62,928

20150326FireVISIBILITY/WIPER

ENGINE BEGAN TO MAKE A "BUZZSAW" GRINDING SOUND THAT WAS NOT INITIALLY NOTICED WHILE DRIVING ALONG ON AN 85 MILE INTERSTATE HIGHWAY TRIP. WHILE TRAVELING AT 60 MPH ON A 6 LANE HIGHWAY, ALL THE DASHBOARD LIGHTING BEGAN TO DIM AND MALFUNCTION, THE ELECTRICAL SYSTEM THEN COMPLETELY FAILED AND SHUT DOWN CAUSING THE ENGINE TO STALL OUT, STEERING AND BRAKE FUNCTION BECAME SIGNIFICANTLY DEGRADED DUE TO ENGINE FAILURE (INCLUDING COMPLETE STOPPAGE OF THE WINDSHIELD WIPERS DURING A HEAVY RAIN DOWNPOUR) SAFELY EXITED ROADWAY BY MANEUVERING AROUND TRAFFIC AND COASTING TO ROAD SIDE SHOULDER AT WHICH POINT SMOKE STARTED POURING OUT FROM UNDER HOOD AND FILLING THE PASSENGER COMPARTMENT. CAR WAS SUBSEQUENTLY TOWED TO A MERCEDES DEALERSHIP WHERE THEY IDENTIFIED THE CAUSE OF THE FAILURE AND FIRE AS A SEVERELY DEGRADED ENGINE WIRING HARNESS. THE HARNESS WIRING INSULATION WAS FOUND TO BE BRITTLE, CRACKING AND FALLING APART, LEAVING INDIVIDUAL BARE COPPER WIRES TO MAKE CONTACT WITH EACH OTHER. THIS CONDIT

Mileage: 62,928

20141229ENGINE

THE CAR BEGAN TO SLOW DOWN UNCONTROLLABLY. THE CAR SHOOK AND DIED. I WAS ON I-75 IN ATLANTA, GA. THE SHOP SAID THAT IT WAS DUE TO A FAULTY ENGINE WIRING HARNESS, SOMETHING THAT MERCEDES IS AWARE OF. I WAS ALMOST KILLED. *TR

Mileage: 173,000

20141229ELECTRICAL SYSTEM

THE CAR BEGAN TO SLOW DOWN UNCONTROLLABLY. THE CAR SHOOK AND DIED. I WAS ON I-75 IN ATLANTA, GA. THE SHOP SAID THAT IT WAS DUE TO A FAULTY ENGINE WIRING HARNESS, SOMETHING THAT MERCEDES IS AWARE OF. I WAS ALMOST KILLED. *TR

Mileage: 173,000

20140824FireELECTRICAL SYSTEM

THE AIR INTAKE SENSOR WIRE WENT ON FIRE DUE TO CORRODED INSULATION ON WIRES. *TR

Mileage: 113,000

20131202FireELECTRICAL SYSTEM

ON MY WAY HOME, MY WIFE CAR START TO RUN ROUGHTLY AND SEE SMOKE COMING FROM MOTOR HOOD, LOOK FOR A PLACE TO STOP SAFELY AND OPEN THE HOOD, FIRE WAS ALL OVER, WIRES HARNESS WAS BURNING AND OTHER INSULATE MATERIALS, I GET FROM MY TRUNK THE FIRE EXTINGUISHER AND SPRAY ON THE FIRE, LUCKELY I WAS DRIVING MY WIFE CAR. I KNOW MANY CARS OF THAT YEAR HAVE THE SAME PROBLEM AND MERCEDES DO NOTHING TO FIX THE PROBLEM, MY CAR WAS ALWAYS IN OUR GARAGE. WHAT CAN I DO TO FIX THE PROBLEM, I EAR IT WILL COST MORE THAN $ 3,000 REPLACE THE WIRE HARNESS. *TR

Mileage: 190,000

20121205POWER TRAIN

CAR STARTED STALLING AND TRANSMISSION REFUSED TO UPSHIFT. WHEN CAR SLOWED IT WOULD NOT ACCELERATE AGAIN. TURNS OUT THE ENGINE WIRING HARNESS FAILED DUE TO A BIODEGRADABLE TYPE OF INSULATION USED AND IS SHORTING OUT IN MULTIPLE PLACES. CAR STARTED TO SMOKE AT ONE POINT. THIS CAUSED DANGEROUS ENGINE MALFUNCTION--AND A FIRE-COULD HAVE BEEN STARTED INSIDE MY ENGINE COMPARTMENT. *TR

Mileage: 96,957

20121205ELECTRICAL SYSTEM

CAR STARTED STALLING AND TRANSMISSION REFUSED TO UPSHIFT. WHEN CAR SLOWED IT WOULD NOT ACCELERATE AGAIN. TURNS OUT THE ENGINE WIRING HARNESS FAILED DUE TO A BIODEGRADABLE TYPE OF INSULATION USED AND IS SHORTING OUT IN MULTIPLE PLACES. CAR STARTED TO SMOKE AT ONE POINT. THIS CAUSED DANGEROUS ENGINE MALFUNCTION--AND A FIRE-COULD HAVE BEEN STARTED INSIDE MY ENGINE COMPARTMENT. *TR

Mileage: 96,957

Compare 1994MERCEDES-BENZC280 to Similar Vehicles

NHTSA Investigations

View all investigations

Frequently Asked Questions

How many complaints does the 1994 MERCEDES-BENZ C280 have?
The 1994 MERCEDES-BENZ C280 has 14 NHTSA complaints, 0 crashes, 6 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 1994 MERCEDES-BENZ C280?
The most-complained component for the 1994 MERCEDES-BENZ C280 is ELECTRICAL SYSTEM with 8 complaints. Other frequently reported areas include ENGINE and POWER TRAIN.
Is the 1994 MERCEDES-BENZ C280 safe to buy?
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.

Vehicle Safety Guides

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.