1994 Mercedes-Benz 320 Engine cooling Problems
- Complaints
- 4about this part
- Share
- 8%of 49 total for the year
- Median mileage
- 80,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the engine cooling of the 1994 Mercedes-Benz 320, 8% of the 49 complaints for this model year. Where a mileage was given, the median is 80,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I was changing spark plugs and saw the bad wires in the harness. I taped up where I could but when I touched the wire the insulation just fell off the wires. I was able to get car running for awhile but now it runs bad. I am in the process of trying to replace harness at this time. This is clearly a mfg. Defect and a potentially dangerous one.”
NHTSA complaint #10240735, filed 2008-09, 125,000 miles“A year or two after the vehicle was purchased(may, 1995) I observed an oil leak. I brought this to the attention of the dealer back then, and was told essentially that all cars leak oil and that this leak was minor. Over the years it has been getting more pronounced, now leaking on the exhaust causing smoke. Recently I stopped going to the dealer for service, now to an independent mercedes specialist. They tell me that this oil leak is from the headgasket, a very common problem on the w124 chassis (e320 model). …”
NHTSA complaint #10206569, filed 2007-10, 10,000 miles“The contact owns a 1994 mercedes benz e320. The contact stated that the vehicle shakes and makes a loud noise while idling. The dealer diagnosed the vehicle as needing an engine wiring harness. The purchase date and powertrain were unknown. The current and failure mileages were 80,000.”
NHTSA complaint #10199362, filed 2007-08, 80,000 milesEngine cooling: other model years
Other parts of the 1994 Mercedes-Benz 320
42 complaintsAir bags
4 complaintsEquipment
2 complaintsEngine
1 complaintsInterior lighting
1 complaintsSeats
1 complaintsSuspension
1 complaintsTires
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 1994 Mercedes-Benz 320
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology