SLK/R170: HELP! i have slk problems
If nobody can provide a meaningful response, I'm afraid it's time to pay the piper -- I mean the dealer -- to get the problem solved.

So, did you reuse an existing fuse or try to install a new fuse in an empty fuse slot? Which fuse box are you talking about? a) the one between the dashboard and the left car door, b) the one in the hood, c) the one inside the computer compartment in the hood, d) the one in the trunk?
When you connected the wire, was soldering involved? Was it solid copper or a stranded cable that may have little copper hairs sticking out and touching other connections in the fusebox?
will this affected the locking?? and i think this has harmed the immobiliser
???

So, did you reuse an existing fuse or try to install a new fuse in an empty fuse slot? Which fuse box are you talking about? a) the one between the dashboard and the left car door, b) the one in the hood, c) the one inside the computer compartment in the hood, d) the one in the trunk?
When you connected the wire, was soldering involved? Was it solid copper or a stranded cable that may have little copper hairs sticking out and touching other connections in the fusebox?
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will this affected the locking?? and i think this has harmed the immobiliser
???

So, did you reuse an existing fuse or try to install a new fuse in an empty fuse slot? Which fuse box are you talking about? a) the one between the dashboard and the left car door, b) the one in the hood, c) the one inside the computer compartment in the hood, d) the one in the trunk?
When you connected the wire, was soldering involved? Was it solid copper or a stranded cable that may have little copper hairs sticking out and touching other connections in the fusebox?
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Try disconnecting the positive terminal of your battery and leave it off for a couple of minutes so all electronic components have an opportunity to discharge. Reconnect and see if behavior is back to normal. For future reference, it might be a good idea to keep the car battery unplugged when doing electric work like this.
Good luck, and let us know if it worked.
Gabe.



