the fog lights stay on after i shut off my slk230 - Mercedes-Benz Forum

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post #1 of 3 (permalink) Old 07-14-2009, 06:18 PM Thread Starter
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Date registered: Jul 2009
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the fog lights stay on after i shut off my slk230

it is a 1999 with real low miles, but i had to disconnect the battery the other day when they wouldn't turn off. the switch was definitely turned off. after disconnecting the battery for a while, they stayed off after i re-connected. any ideas anyone?
thnks a lot- rob in NY
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post #2 of 3 (permalink) Old 07-15-2009, 04:36 AM
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Mine 2001 will leave the driving lights on (if I had the headlights on) for about 20 seconds. I assume that yours did this as well only now they aren't going out after 20 seconds.

My first suggestion would be the switch may be malfunctioning. Perhaps a search may find more solutions to identify the problem with more certainty, and then pick up a used one as a replacement. I have used SoCal Mercedes Parts with success, no affiliation.
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post #3 of 3 (permalink) Old 07-15-2009, 11:44 AM
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Vehicle: '07 GL320CDI
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This could be the system to provide you temporary light so you can get your key in the door of your house. Check owners manual to see if your car has this.

Otherwise, you have a "stuck relay" or other failure in some box of electronics.

Kent Christensen
'07 GL320CDI
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