turn the key on and make sure all the trouble lights come on. I picked up a E320 (94) and the ABS light was pulled behind the dash and the engine light was disabled.

They should all come on for several seconds before cranking the engine.

If the Harness has been replaced, also ask about the Electronic Throttle Actuator. THis item is plagued the same wiring problems and causes the Cruise control to fail.

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Brian G.

1994 E320 Wagon with many warts SOLD
1995 E320 Wagon with a beauty mark or two FOR SALE