GL Class (X164) 2007-2012: GL320CDI, GL420CDI, GL450, GL550

Headlight aim?

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Old 09-22-2008, 09:13 PM
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GL 320cdi, Chevrolet Avalanchero, GLE 350 (on order)
Headlight aim?

I don't have xenons. Can the headlamps be aimed? It's just starting to get dark here earliey enough that I am still out, and I have discovered the headlamps suck to a dangerous degree. Threw some silverstars in there (haha, the exact same bulbs were already in there Osram H755, but without the gold painted tip ) No reference to aiming in the manual. WTF?
Old 09-22-2008, 10:02 PM
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Yes, the headlights can be aimed. I swapped my stock bulbs for a set of PIAA Extreme White plus. The result was and remains excellent.

https://mbworld.org/forums/showthrea...dlight+upgrade
Old 09-22-2008, 10:36 PM
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Thanks! I don't have any aiming in my manual...
Old 09-23-2008, 07:31 PM
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Well, there is a little picture, but no measurements? how high at 25'? nice one.

Do you hafta rotate both screws at the same time, or do they mean adjust both beams (H/L) if you do one?
Old 09-23-2008, 09:25 PM
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I would just do one screw on each side. Park on a flat road or long flat driveway. It would be a good idea to do it around 200' behind a parked car so you can tell exactly where the beams will hit. You want it below the windshield line and below the height of the trunk where it meets glass of the car ahead of you.
Old 09-23-2008, 09:29 PM
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Thanks, I lifted them about a 1/4 inch @ 15 feet, (1/3 of a turn) I'll start with that. When I go into a parkade, and have some flat distance, I'll fine tune it.
Old 09-24-2008, 02:31 PM
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Do it an night on a long straight stretch of road for best results. I did mine in an industrial area at night when no traffic was around. A big parking lot will work well too.
Old 09-24-2008, 10:26 PM
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beam looks wrong. Looks like two mouse ears sticking up, not just the one like it shows.

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