benmond1
Mercedes V Klasse Power Window Failure
Summary of the thread
A 2012 Mercedes V Klasse experienced a complete power window failure. Diagnostics indicated a defective power window switch as the likely cause. After ruling out fuse issues and confirming the problem across all switches, replacing the power window switch resolved the issue, restoring full functionality to the windows.
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4 comment(s)
benmond1 (community.author)
I checked all the fuses, and they're fine. I tried every door switch, including the master control, but nothing. Do you remember if your issue was the power window switch?
theresa_flame1
Yes, the issue was a faulty power window switch. Since you've ruled out the fuses and the problem is across all switches, it seems likely the switch is the problem. A workshop handled my repair. Considering your experience, you might be able to do it yourself. Otherwise, professional help might be best.
benmond1 (community.author)
I replaced the power window switch, and the power windows are working perfectly now. The repair cost of 200€ was accurate. Your guidance saved me time and a potential misdiagnosis. Thanks for your time and expertise.
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MERCEDES
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VKLASSE
theresa_flame1
I recall a similar power window issue on my V Klasse. The windows were completely inoperable. Did you check the fuses? Have you tried operating the windows from each door switch, or just the driver's side?