1993 Mercedes-Benz 300 Series problems
The 1993 Mercedes-Benz 300 Series has 27 complaints on file with NHTSA. The largest share (74%) concerns electrical system. Next are fuel system (11%) and engine (7%).
At a glance
- Complaints
- 27 filed with NHTSA
- Most reported
- Electrical system 74% of complaints
- Crashes and fires
- 0 and 2
- Injuries and deaths
- 0 and 0
- Typical mileage
- 141,000 miles 26 complaints with mileage
Source: NHTSA owner complaints
Where the complaints are
Share of this model year's complaints by the part of the car involved. One complaint can name more than one part, so the shares can add up to more than 100%.
When problems show up
View the numbers
| Mileage | Complaints |
|---|---|
| 0k to 20k miles | 0 |
| 20k to 40k miles | 0 |
| 40k to 60k miles | 2 |
| 60k to 80k miles | 0 |
| 80k to 100k miles | 1 |
| 100k to 120k miles | 4 |
| 120k to 140k miles | 6 |
| 140k to 160k miles | 3 |
| 160k to 180k miles | 5 |
| 180k to 200k miles | 2 |
| 200k+ miles | 3 |
What the data shows
Of the 26 complaints that include odometer readings, half describe a problem before roughly 140,000 miles. For electrical system specifically, the median reported mileage is about 150,000 miles (19 complaints with mileage).
Safety-related details: 2 complaints mention a fire.
What owners wrote
A few complaints as filed, shortened and with personal details removed. The first ones are among the most serious reports for this model year; the rest are typical.
Electrical fire in the engine compartment of my 1993 300e mercedes. The electrical harness with extensive cracks with all of the wires caused the fire. Now I discover, this is an inferior part placed in the car with fabric tape wrapping. 100's of these kind of fires have occurred, with out a recall on this model.
Wiring harness on 1993-1994 mercedes benz 300e. This is a known fault by mercedes benz resulting in a premature corrosion of the wiring harness running along the top of the engine. Mercedes is well aware of the problem and has a large stock to meet the demand!
1993 mb 300e - wiring harness has begun to deteriorate causing the engine to stall and or not start. Stalling can occur while driving, thus losing all power to properly control the vehicle.
My 1993 mercedes 300e experienced some major problems with its wiring in the harness. As a result, I had it taken into a mechanic, who noticed that the insulation on the fuel injection wiring harness deteriorated and caused the wires to rub together. It appears that this engine wiring harness problem has been an ongoing issue with many mercedes (especially the models from the 90's), and I am surprised that mercedes benz has not made any effort to recall this problem, or at least to even acknowledge this as an…