W211 self levelling suspension

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connashio1

Member
Joined
Nov 28, 2014
Messages
34
Car
W211 320CDI estate
Hi all,

My compressor on my car (2003 W211 320CDI) only works if I wiggle the power cables to it. With relay contact 87 and 30 linked it did not fire up as it should, that only happened whilst I was under the car pulling wires around. I plan to remove the compressor this weekend and clean up all the connectors. I am wondering out of interest if anybody knows what makes it switch on in normal operation? Is it the ride level sensor at the rear reaching a certain value?

Thanks, Paul
 

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