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2001 Mercedes Benz SLK320 power seats, interior lights

Tiny
DAVIDGILLIHAN
  • MEMBER
  • 2001 MERCEDES BENZ SLK320
  • 204,000 MILES
I have a 2001 mecedes 320 slk, the power seats have failed and don't operate. Approximately the same time the interior lights began to fail.I have checked the fuses for those items and it seems ok. Is there a unit that controls the interior operations of the seats lights and how do I approach these promblems. Thank you for your help. My e-mail is gdavidcars @yahoo. Com
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Tuesday, October 8th, 2013 AT 12:52 PM

9 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,328 POSTS
Lets start by making sure the fuses are good. Remove the fuse for the seats and dome light and using an ohm meter, see if there is continuity in the fuse. That way we will know that power is available for the items.
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Tuesday, October 8th, 2013 AT 5:11 PM
Tiny
DAVIDGILLIHAN
  • MEMBER
  • 5 POSTS
Fuses are good, thanks, is there a central unit that control some of these items?
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Wednesday, October 9th, 2013 AT 12:02 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,328 POSTS
There is a central fuse box under the hood of the vehicle.
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Wednesday, October 9th, 2013 AT 5:59 PM
Tiny
DAVIDGILLIHAN
  • MEMBER
  • 5 POSTS
Fuses ok in fuse panel under hood and other fuse box in door
Is there a computer card which works in conjunction with the seats and lights?
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Wednesday, October 9th, 2013 AT 6:09 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,328 POSTS
Not on this year vehicle.
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Wednesday, October 9th, 2013 AT 6:19 PM
Tiny
DAVIDGILLIHAN
  • MEMBER
  • 5 POSTS
Well, do you have any suggestions on trouble shooting this! Does the power go directly to the seat switches? And thanks jacob
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Wednesday, October 9th, 2013 AT 6:25 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,328 POSTS
Fuse 22 is a 30 amp fuse that powers the seat. From the fuse box, there is a red/black wire that takes power to the switch on the seat. Make sure there is power out from the fuse and trace that wire and check for power at the switch. As far as the interior lights, the fuse box under the hood (fuse #9) is a 10 amp fuse that supplies power to the light. I read through several schematics and there is nothing that I can see that they have in common. Power is supplied to the interior lights via a red/gray wire from the fuse box. See if there is power to it in the light assembly.
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Wednesday, October 9th, 2013 AT 6:57 PM
Tiny
DAVIDGILLIHAN
  • MEMBER
  • 5 POSTS
Will let you know, and thanks again. It may be in a couple of days!
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Wednesday, October 9th, 2013 AT 7:05 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,328 POSTS
I will look for your reply. I have pics of wiring schematics, but for SOME reason, they won't upload. I will keep trying.
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Thursday, October 10th, 2013 AT 8:53 AM

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