W210 Xenons intermittent problems.

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E430Mad

Member
Joined
May 27, 2020
Messages
32
Location
Dublin
Car
2001 e430
Strange Xenon lights problem. 2001 E430.

Sometimes they will turn on
Sometimes they will not.

Repeated turning on and off of the headlight switch will get them to come on.

Sometimes only one will turn on. Random which one it will be, other times both will turn on.

Once they have been on for a while, and I turn them off, then turn them back on, both will come on ok.

Where will I start? without replacing both ballasts.

Thanks.
 
The fact that they have a random nature suggests a control module problem rather than a wiring fault. Star diagnostic may be your best bet here.
 

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