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Discussion Starter · #1 ·
Just curious if there's any issues that might be caused by having no PSE connected long term. When I bought my SLK230, the PSE was already totally fried and sitting in water for quite a while. Since its never worked, I'm not sure what I'm missing out on by not having it. I disconnected the connectors and took the unit out, but haven't been able to afford a replacement because of all the other issues I've had with the car LOL.
 

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Discussion Starter · #3 ·
You just don't be able to lock the car using the central locking or operate the roof.

I've noticed that I cannot lock the doors. If I press the key on the remote, the lights just flash but the locks won't go up or down. But I've had no problems at all putting the top up or down.


Would those connections that plug directly into the PSE continue to draw any current if they are not plugged in? (if it sounds like I know nothing about electrical connections, it's because I don't, LOL!) I've had a parasitic battery drain going on and just wondered if not having the PSE might have anything at all to do with it. No one can seem to find the issue.
 

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Sorry, I realised afterwards that you can operate your roof still! I remembered mine working fine when my PSE was removed. Your central locking won't work but you can still lock the car using the key in the door.

If you're having battery drainage issues, this won't have anything to do with your PSE being unplugged so don't worry about that!

There's a chance your car alarm maybe draining the battery. I found a thread somewhere about how the small battery in the horn gets corroded and causes all kinds of issues. My normal trouble shooting for a draining battery would be: is the battery in need of replacement? Is the alternator that charges the battery during driving still working? Are any heater matrixes broken and staying on after the car is switched off? Is anything else drawing power after shutdown (like an alarm battery).

Hope you get some joy
 

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Discussion Starter · #5 ·
Sorry, I realised afterwards that you can operate your roof still! I remembered mine working fine when my PSE was removed. Your central locking won't work but you can still lock the car using the key in the door.

If you're having battery drainage issues, this won't have anything to do with your PSE being unplugged so don't worry about that!

There's a chance your car alarm maybe draining the battery. I found a thread somewhere about how the small battery in the horn gets corroded and causes all kinds of issues. My normal trouble shooting for a draining battery would be: is the battery in need of replacement? Is the alternator that charges the battery during driving still working? Are any heater matrixes broken and staying on after the car is switched off? Is anything else drawing power after shutdown (like an alarm battery).

Hope you get some joy
Thanks!!! I really appreciate your feedback. This parasitic drain has been driving me crazy for quite some time. I knew practically nothing about cars until I found this forum. Everyone is so helpful :)
 
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