1994 Mercedes-Benz E420 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1994 Mercedes-Benz E420

Due to wear, high usage vehicles can experience ignition lock and tumbler failures. The ignition lock cylinder will generally require replacement to correct this concern.

Oil feed tubes break and fall into the crankcase (engine) and the tappet becomes noisy (ticking), resulting in degraded idle quality. Our technicians recommend replacing all of the tubes at the same time, broken or not.

A coolant leak may develop form the Radiator due to degradation of its plastic components. Replacement of the failed radiator will be necessary.

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Can we do it ourselves?
What is the cost?
What happens if we don't fix it.

Fan motor was blowing at low speed for about a year.

Have an 1994 E320 as well and the doors do lock as I accelerate. My E420 does not. The central locking works when the doors are locked using the key.

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The ASR light came out and the ABS light same time came on and all gauges stopped working. When engine was shut off, it could not be started and all the lights came on.

Great car but has a poor Electrical Wiring System

This is a wonderful automobile. You have to drive one to know.

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