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E220 Mercedes-Benz electronics issue

A light on the right side of my instrument panel on my E220 Mercedes-Benz comes on and when it does I cannot accelerate the engine. To get it to disappear I have to switch the engine off and restart again. How can I fix this problem?

There is a problem with the electronics of the car, it could be the ECU or a sensor, and it's causing the car to go into "limp home" mode. By turning the engine off and restarting you are rebooting the computer. Take it to a mechanic and have them hook it up to their diagnostic equipment and they should be able to identify the cause of your problem.

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