Why is my Mercedes Benz W124 engine still running?

For most models, the problem started in 1993, however, it was earlier in the case of the M119 engine. Also, cars with the KE-Jetronic are unaffected. The components that could potentially malfunction because of a damaged wiring harness are fuel injection, starter, alternator, throttle actuator and the ECU.

What are the symptoms of a Mercedes W124 harness failing?

The typical symptoms of a failing harness are electrical errors, problems with starting the engine, poor running and rough idle. Before buying a 1992-1996 Mercedes-Benz W124, check if the harness has already been replaced. Otherwise, you will have to replace it yourself.

When did the Mercedes Benz wiring harness problem start?

Therefore, the cables close to the engine are ones mostly affected. The wiring harness problem affects Mercedes-Benz cars from 1992 until 1996. Both petrol and diesel-powered W124 cars are affected. For most models, the problem started in 1993, however, it was earlier in the case of the M119 engine. Also, cars with the KE-Jetronic are unaffected.

What happens to the fuel injection system in a Mercedes 190?

The fuel injection system has a mechanical fuel distributor, which is lubricated by petrol. When you switch to LPG, the distributor will be running dry and start wearing out. With a simple second generation conversion, there is a risk of gas explosion in the intake manifold, which has a large volume.

What should I know about Mercedes Benz W124?

Welcome to our Mercedes-Benz W124 E-Class Technical Articles section. We’ve gathered a vast collection of useful articles to help you perform many repairs and upgrades on your Mercedes-Benz. Save money by doing your own work and perform the repairs using the information we’ve provided here.

When to replace the idler pulley on a Mercedes Benz?

Get rid of that squealing idler pulley by replacing it with a new one. This article will show you how. A rough idling engine can be a sign of a dirty or broken resonance valve, check or replace yours with the help from this article. Fraying your belt? It could be time to replace your belt tensioner

How does the E220 cab work in a Mercedes?

E220-CAB is referring to the evaporative control charcoal filter which acts to absorb petrol fumes from the tank while the car is stationary. When the engine is running the engine ECU opens a valve at certain times to allow the engine inlet manifold vacuum to evacuate/regenerate the filter.

Why does my Mercedes not start when I charge the battery?

This Mercedes-Benz is not starting because of a low battery. In this case, what you need to do is trickle charge your battery using any of these 12 volt battery trickle chargers. If you need help read this article on How to charge a Mercedes-Benz the right way. Mercedes won’t start, and it’s not the battery.