Cruise control misbehaving

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Adam1440

New Member
Joined
Jun 1, 2011
Messages
28
Car
E320CDi Estate
I have a W210 E320CDI. The cruise control has recently started misbehaving: if switches itself off unexpectedly, can be reset but then switches off again. It does this repeatedly, at decreasing intervals, until finally it disengages and refuses to work altogether.

Next time out, chances are it will work fine for 10 minutes or so, then the whole performance starts again.

Any ideas, anyone?
 
Hi,
Sounds to me that you have a dodgy wheel speed sensor, this can happen even if you have,nt got any warning lights up.
The probable causes are dodgy wheel speed sensor, or possibly a damaged reluctor ring.
You really need to get it on STAR to diagnose what is happening.
 
On my old W202, strange cruise control behaviour was the first sign of the battery on its way out.
 
I had a problem with mine caused by the rear brake light switch once.
 

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