The steering wheel controls on the left and right side not working, also the horn is not working when I push on the steering wheel airbag.
Jun 13, 2015 at 12:00 AM
2013 Mercedes Benz C300 Steering wheel controls not working
JOYED92
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The most likely suspect is a broken clock spring. That is a wound-up ribbon cable in a plastic housing under the steering wheel. The clue is there are multiple symptoms for multiple, unrelated systems that all have a circuit going through that ribbon cable. Eventually, as that cable continues to break, the Air Bag warning light will also turn on, and the computer will disable that system.
Jun 13, 2015 at 11:07 AM
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