Are there any Mercedes Benz cabriolet with wiring harness issues?
Robert S. (SL Market Letter subscriber since 1988) This 1995 E320 Cabriolet is one of the models affected by the wiring harness issue. We asked for comments from Chris Olsen in Minneapolis, MN, John Olson’s personal mechanic, and Pierre Hedary an MB mechanic based in Florida, that makes house calls.
Why did my Mercedes M104 wiring harness break?
Abnormally vulnerable to engine heat, cracks formed allowing moisture fuel and oil residue seep in. This happened faster in extreme climates causing even further cracking during other repairs. Pierre Hedary: Wiring harnesses on 1993-1995 Mercedes Benz M104 engines are notorious for disintegrating.
What causes a Mercedes Benz harness to fall apart?
If the plug ends are falling apart and you can see that the insulation going into them is bare, then the harness is falling apart. If the harness is still pliable and not stiff, the connectors are strong and the wiring is brightly colored, chances are it has been exchanged.
How can I repair my engine wiring harness?
… As requested by several people, here’s a short DIY to repair your engine wiring harness so you don’t have to spend $800-$1500 to replace it. Take the cover off where you would replace the spark plugs to see the three wires (on a C280) that lead to the 3 coils. These wires are 12V DC, and are the most common failure points.
Are there any Mercedes Benz wiring harness problems?
The SL Market Letter got a letter from a subscriber recently with questions about the much talked about Mercedes wiring harness issues affecting some Mercedes Benz models from the early 1990s, we asked a couple of folks who know their way around these cars for the straight scoop…
What kind of harness does Mercedes E320 have?
I also patched one harness on my 1996 E320 by taping wires that run to fuel injectors, coils, engine temperature sensors, camshaft advancer, etc. but it was temporary repair.
What kind of wiring does Mercedes 92 500SEL use?
On 92 500SEL I used heat resistant wiring, heat shrink tubing, friction tape, epoxy. The job was very labor extensive and took me around 8 hours. Some plugs could no be saved as plastic was very brittle. Metal contacts were reused and new wires soldered directly to them. Finished harness looked close to factory and worked without any flaws.
How much does it cost to repair a Mercedes Benz E320?
The annual maintenance cost of a Mercedes-Benz E320 is $1,456. Repair and maintenance costs vary depending on age, mileage, location and shop. Instrument cluster displays tend to fail, especially the clock and gear indicators. our technicians tell us the… Engine Performance Problems Due to Crankshaft P…