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Q: check engine light on 1991 Mercedes-Benz 300E

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
When I get into the car without even putting the key in the ignition, the check engine light is on. After I start the car, the check engine light goes off. What is the cause of this?
(1) Answer
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you have a problem either in the instrument cluster or in the wiring. either way, you will need a good local MB
shop to diagnose this for you.
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