M-Class (W164) Produced 2006-2011: ML280CDI, ML320CDI, ML420CDI, ML350, ML500, ML550

'08 ML550 Headlamp wiring diagram/harness

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Old Jun 21, 2012 | 01:53 PM
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'08 ML 550
'08 ML550 Headlamp wiring diagram/harness

Hey guys I got into an accident with my ML and the headlight and fog light harnesses were ripped off. I called the dealer and they want $2900 for the vehicle harness.

I know BMWs very well and know the E9x chassis like the back of my hand. I know BMWs can detect short circuits and disable them to prevent malfunctions/battery drain/etc. Does Mercedes Benz do this aswell? I am getting no voltage at any of the harnesses. A few wires will read about 2-3v but nowhere near 12v. Fuses and relays have all been checked and verified working.

Do I need dealer diag software to reset the short circuits? Also I need the pin layouts for an ML550 equiped from the factory with OEM xenons, with the lighting package. A picture of the harness would be of extremely great help. The dealer knows nothing about the pin layouts of the headlamp/fog harnesses.

Thank you in advanced!
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Old Jun 29, 2012 | 07:29 PM
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'08 ML 550
Bump. Anyone have any idea? Or can post pictures of the wiring harness? Thanks.
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Old Jul 25, 2012 | 07:58 PM
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2008 ML550; 2005 Slk350, 1972 280 SE
2008 ml550 wiring

Greetings,
I have the same problem with my 2008 ML550 w/sport package. The harness was cut off at each side at the frame rail for the headlights, foglights, etc. Any luck with a diagram or infomation?

Any help is GREATLY appreciated....

SRTDC
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Old Jul 27, 2012 | 05:10 PM
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From: Puerto Rico
2005 E55 AMG
Yes, MB uses sam ( signal aquisition modules ) that can detect a short and cut power to avoid future issues.
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