Nov 152016
 

2000 Mercedes S430What will be causing my head light and tail lights to go out. They do not come back on after I have replaced the bulbs. Consequently I think that a fuse has blown in my car. please help


RESPONSE

Possible causes would be a blown fuse as you mentioned, a failed headlight switch or lighting module failure. Furthermore some issue may be involved with the wiring harness. Or wiring connection issues but are not as common as the other reasons.

Headlight Switch Operation

The headlight switch operates in 7 positions. The 12 o’clock position is off. The 11 o’clock position will turn on the right side parking lights. The 10 o’clock position will turn on the left side parking lights. The 1 o’clock position will turn on all parking lights, marker lights and instrument panel lights. The 2 o’clock position will turn on the headlights and parking lights. To activate front fog lights, pull headlight knob out to first click. To turn on rear fog light ion addition to front fog lights, pull headlight switch knob out 2 clicks. Fog lights will only turn on if the headlights are in the low beam position, or when all parking lights are on.

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