selinamiller13

Mercedes V Klasse Power Window Issue

My 2001 Mercedes V Klasse with a gasoline engine is acting up. I replaced the battery, and now the power windows won't work at all! The car electronics show an error about the window regulator initialization failing. I'm guessing it's a window reset thing? Had this happen? Any window troubleshooting tips before I tear into the door panel?

A 2001 Mercedes V Klasse experienced a power window malfunction after a battery replacement, with an error indicating window regulator initialization failure. The issue likely stemmed from the regulator losing its settings, a common problem in some Mercedes models after battery changes. Initial troubleshooting involved attempting a manual reset by holding the window switch, but this was unsuccessful. The solution required professional re-initialization of the window regulator using a diagnostic tool at a garage.

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4 comment(s)

Sounds like the window regulator lost its settings after the battery change. This is common on some Mercedes models. The regulator needs to 'learn' the upper and lower limits again. Usually, you can do this by holding the power window switch in the 'up' position until the window closes, and then keep holding it for a few seconds after it's fully closed. Then do the same in the 'down' direction. Did you try that already?

I tried holding the button up and down like you said, but nothing happened. Still dead. When you say 'regulator', do you mean the actual motor and mechanism inside the door that moves the glass? Is there a fuse I should check first maybe?

Yes, the regulator is the motor and mechanism inside the door. A blown fuse is always a good thing to check first. The fuse box location and the specific fuse for the power windows will be in your owner's manual. If the fuse is fine and the window reset procedure isn't working, it's likely the regulator needs to be re-initialized using a diagnostic tool. This is something a workshop will need to do. The car electronics are very sensitive sometimes. Prepare around 290€ for this repair.

The garage re-initialized the window regulator with their diagnostic tool. Cost me 290€, but at least the windows work now! I appreciate the advice.

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MERCEDES

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VKLASSE