1994 Mercedes-Benz 320 problems & reliability
49 owner complaints filed with NHTSA for the 1994 Mercedes-Benz 320. Last verified Aug 8, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
3 complaints report injuries (3 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Electrical System → | 42 | 86% |
| Air Bags | 4 | 8% |
| Engine and Engine Cooling | 4 | 8% |
| Equipment | 2 | 4% |
| Engine | 1 | 2% |
| Interior Lighting | 1 | 2% |
| Power Train | 1 | 2% |
| Seats | 1 | 2% |
| Suspension | 1 | 2% |
| Tires | 1 | 2% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Among the 32 complaints that included a usable odometer reading, the median reported incident mileage was 136,202 miles (middle 50% between 97,750 and 151,250 miles).
Complaints by incident year
What owners report
“I was inspecting my car to prepare for a smog check.the check engine lite was on. I noticed that the wires going to the air pump had no insulation on them. I cut into the harness to find all of the wires were disintegrating. I ran the code check and got 3 codes. 4,5,and 18. One was egr failure which is common. The…”
Engine · filed Mar 1, 2013
“Tl* the contact owns a 1994 mercedes benz e320. The contact stated that while driving approximately 5 mph, the indicator lights remained illuminated erroneously, causing the battery to drain. The vehicle was taken to a independent mechanic and a dealer for diagnostic testing. The mechanic advised the contact that the…”
Electrical System · filed Nov 6, 2012
“Tl* the contact owns a 1994 mercedes benz e320. The contact stated that the wiring harness rusted, causing the vehicle to stall. The dealer and manufacturer were notified of the failure, but denied any assistance with repairing the vehicle. The vehicle was not repaired. The failure and current mileage was 55,000…”
Electrical System · filed Mar 16, 2012
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Safety recalls
No NHTSA recall campaigns name the 1994 Mercedes-Benz 320 in our current data. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 1994 Mercedes-Benz 320?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Among complaints with usable mileage, the median reported incident mileage was 136,202 miles. This does not predict when a particular vehicle will develop a problem.