No windows work after changing battery
I just brought a 2000 CLK430 convertible W208.
After installing a new battery, none of the windows will work. Apparently there is no power to any of them.
The soft top lamp is constantly on.
I client the connectors and replaced the k40 relay.
But no luck.
Any ideas with can cause this problem?
Thanks
I wish it were that easy. I have taken it to the dealer. They recommended I change the K40 relay and clean the contacts. I did.
Any idea what module controls all the windows?
Ralph
Good practice to connect positive first and ground second.
Last edited by LateLife Crisis; Apr 8, 2024 at 07:42 AM.
If so, isn't strange for both sides to be inoperative.
I will check the soft top module. It's not that easy to get to.
Thanks
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There is no power to the switch. I even put a volt/ohm meter on it and nothing.
It had been working fine before.
I should have also told you that, this all started after I jump the car and then put in a new battery.
It drives and everything else is working.







