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What is your question?
The driver side rear window will not let up or down. I have done lots of troubleshooting
What makes this problem better or worse?
nothing
How long has your 2008 Mercedes-Benz CL550 had this problem?
about 6 months
1 Reply
Hello, what troubleshooting have you performed? If you have a single window not working, it is caused by: -Master Switch -LR switch -Wiring -Window Motor -Window Regulator ...or any combination of all that. Yes, testing of the circuit is required.