M-Class (W163) Produced 1998-2005: ML 230, ML 320, ML 350, ML 400 CDI, ML 430, ML 500, ML 270 CDI

Headlight problem

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Old Oct 19, 2020 | 12:28 PM
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1998 Ml320
Headlight problem

Hi, I have a 1998 Ml 320, this issue is with the headlights both low beam and high beams. When I try to turn them on nothing happens, no light comes on even when I flip the high beams. But if I hold the high beams they just work. Also I noticed that when my left turn signal is on the headlights work as they are supposed to. Please help
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Old Oct 19, 2020 | 05:46 PM
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From: Westcoast/Interior
02w163ML500 / 97w210E50AMG / 99w202C230k / 95w124500e-wip
Originally Posted by Sprenk1
Hi, I have a 1998 Ml 320, this issue is with the headlights both low beam and high beams. When I try to turn them on nothing happens, no light comes on even when I flip the high beams. But if I hold the high beams they just work. Also I noticed that when my left turn signal is on the headlights work as they are supposed to. Please help
No mention of what type of bulbs.
Check to see if your low beam bulbs need replacing. Swap them with ones that you know are good.
Check the fuses - fuse chart is under the fusebox lid (under the hood) and the other in the passenger footwell - side kick panel.
Check the relay too for the headlights.
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Old Oct 19, 2020 | 10:32 PM
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1998 Ml320
Originally Posted by khomer2
No mention of what type of bulbs.
Check to see if your low beam bulbs need replacing. Swap them with ones that you know are good.
Check the fuses - fuse chart is under the fusebox lid (under the hood) and the other in the passenger footwell - side kick panel.
Check the relay too for the headlights.
The lights are just the halogen ones. The bulbs seem to be good since with the left turn signal and headlight switch on they work, other than that the don’t light. If the fuse was bad, they wouldn’t light at all at any case, right?
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Old Oct 19, 2020 | 10:44 PM
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From: Westcoast/Interior
02w163ML500 / 97w210E50AMG / 99w202C230k / 95w124500e-wip
Originally Posted by Sprenk1
The lights are just the halogen ones. The bulbs seem to be good since with the left turn signal and headlight switch on they work, other than that the don’t light. If the fuse was bad, they wouldn’t light at all at any case, right?
Go thru this procedure
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Old Oct 19, 2020 | 11:03 PM
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1998 Ml320
Originally Posted by khomer2
okay will do in the morning, how likely is it to be the combination switch?
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Old Oct 19, 2020 | 11:25 PM
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Will do in the morning, how likely is it that it’s the combination switch ?

Last edited by Sprenk1; Oct 20, 2020 at 12:22 AM.
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