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  #1  
Old 09-11-2003, 05:08 AM
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Join Date: Sep 2003
Location: TEXAS
Posts: 4
Dome Light For Slk

HELLO AND GREETINGS TO EVERYONE. I HAVE A PROBLEM WITH THE DOME LIGHT IN MY 99 SLK 230. THE DOME LIGHT GOES ON AND OFF WHEN DRIVING THRU BUMPS AND SOMETIMES WHEN THE CAR IS OFF AND DOORS ARE SHUT THE LIGHT STAYS ON AND DOES NOT FADE. IT JUST STAYS ON. SO I JUST TOOK OFF THE BULB.......ANY SOLUTIONS

THANKS
TOM
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  #2  
Old 09-11-2003, 10:21 AM
DR.DIESEL's Avatar
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Join Date: Mar 2003
Location: Puget Sound, Washington St.
Posts: 522
There is a known problem with Fauly PSE (vacuum locking pump) which also controls the domelamp in a SLK. Check for waterleaks
in the r side of the trunk which can get this pump wet and cause corrosion and faulty operation.
Remove the spare wheel and jack. Remove the foam partition
the jack sits in. The PSE pump sits in a foam block behind there,
and this foam will soak up water killing the pump.
The water leak usually comes from a faulty seal on the rear of
the vario roof that seals against the trunk lid when closed.

The dome lamps also come on when the trunk lid is open, so check for a faulty trunk lid latch microswitch.
The door pin switches on the front doors should be checked as well.

Good luck.
Dr.D
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  #3  
Old 09-11-2003, 07:02 PM
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Join Date: Sep 2003
Location: TEXAS
Posts: 4
dome light

Dr. D. let me check on the things you told me to do and i will get back with you. Thank you so much.
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  #4  
Old 09-11-2003, 11:48 PM
Gilly's Avatar
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Join Date: Mar 2001
Location: Evansville WI
Posts: 9,616
I've also seen SLK's that needs the doors adjusted tighter to stop the switches from making contact. This can also cause the alarm to go off after the car is locked, usually more common on hot days.
One easy way to check the door adjustment causing this problem is to lower the windows, then close the door and wait for the dome lamp to go out, then pull in and out on the doors (like at the top of the doors, this is why the windows were left down).
As you do this watch the dome lamp and see if it comes on.

Gilly
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