I have no horn, the emergency flasher and other buttons 2002 S430
Its your door control module (the power seat switches in the door )
It’s a very common failure part that affects things like horn , flashers etc . Also very easy to replace
Last edited by tusabes; Oct 4, 2019 at 01:00 AM.
One thing that may come up on a pre-facelift car. In the case of the wife's 2000 S500, we had to replace the door module, too. It had to be programmed to the car. However, I remember reading a thread on the other forum that, at least with post-facelift cars, that programming isn't necessary. What's your experience on this?
One thing that may come up on a pre-facelift car. In the case of the wife's 2000 S500, we had to replace the door module, too. It had to be programmed to the car. However, I remember reading a thread on the other forum that, at least with post-facelift cars, that programming isn't necessary. What's your experience on this?
if possible always check the part number on your existing part before buying a used one to make sure the part numbers match
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