Mercedes K40 Relay Fix
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- เผยแพร่เมื่อ 8 ก.พ. 2025
- This is a k40 relay from a Mercedes and these go out pretty often. Normally, you would send them off or just go ahead and replace them. They can be anywhere from 200 to 300 dollars. So, this is a hack/trick to re-solder the connections that go bad. This fixed my problem with a no crank, no start that it was causing in a 2001 SLK 320.
Did it work. Just soldiered mine and still no start. Also got another 1 and same thing. New battery. I did replace the key fob battery and thought that might be the issue
Mine did work after this. Is your car trying to crank, does it just click, or does it do nothing?
@@operationoverhaulmine does nothing… same issue now
@@colbyhill2970 I would try sending power to the starter and see if it tries to crank