GLK-Class (X204) Produced 2008-2014

How to adjust the Bi-Xenon lighting pattern

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Old Jun 17, 2012 | 01:44 PM
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How to adjust the Bi-Xenon lighting pattern

The new 2012 GLK came with Bi-Xenon lights - nice and bright - but the light pattern is WAY lower than the Halogen lights on the old 2010 GLK - the sharp cutoff angles of the Bi-Xenons on dark mountain highways makes it downright nerve racking sometimes. The 2010 Halogen lights were definitely better IMHO under the same conditions. Leads me to suspect that the 2012 Bi-X lights might be aimed a little low - OK side to side. Is there any DIY vertical adjustment? Thanks
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Old Jun 17, 2012 | 03:07 PM
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I believe you need STAR to do it right. Go to dealer, they'll do it for you on a brand new car while you wait.
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Old Jun 17, 2012 | 10:14 PM
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2012 GLK 350 P1 COMAND LIGHTING AMG... , 2011 maxima
same problem. 1 is a bit lower than the other .. (the lights) LOL. guess I'll be heading to the dealer as well Ty
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Old Jun 18, 2012 | 05:16 AM
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are the bi-xenon on the GLK self-leveling?
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Old Jun 18, 2012 | 12:38 PM
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See next posting.

Last edited by allanX204; Jun 18, 2012 at 03:17 PM. Reason: correction
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Old Jun 18, 2012 | 01:04 PM
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...knew we had this question here before:

check it out. It also includes a picture from the GLK

https://mbworld.org/forums/glk-class...tment-glk.html

Last edited by allanX204; Jun 18, 2012 at 01:07 PM.
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Old Jun 18, 2012 | 02:44 PM
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Nissan GT-R BE / '12 Ducati-1199 Panigale S / '12 C300-4M Loaded/GLK350-4M Loaded
Originally Posted by allanX204
...knew we had this question here before:

check it out. It also includes a picture from the GLK

https://mbworld.org/forums/glk-class...tment-glk.html
This is true, but like I said you need STAR to do this correctly. First the car must be perfectly level in all 4 axis. Then use STAR to first disable the self-leveling feature ... then manually adjust the lens beam to proper zero V/H hold for both sides, then use STAR again to re-activate the self-Leveling feature.
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Old Jun 18, 2012 | 09:30 PM
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Use the high beams. They aren't low.

Wayne
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Old Jun 19, 2012 | 04:57 PM
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Originally Posted by venchka
Use the high beams. They aren't low.

Wayne
If the lights are the OEM Bi-Xenons the adjustment of the fixture for correct aim will affect both main and dipped beam.
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Old Jun 20, 2012 | 11:39 PM
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Originally Posted by allanX204
...knew we had this question here before:

check it out. It also includes a picture from the GLK

https://mbworld.org/forums/glk-class...tment-glk.html
Thanks everyone / AllanX204 - I set up a quick guide in the garage to raise the lights a little and it is a LOT better. But I guess I will take it by MB for a quick check anyway.

Last edited by rjangML; Jun 21, 2012 at 12:10 AM.
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Old Jun 28, 2012 | 06:40 AM
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2012 GLK350 4Matic
I brought my GLK to the dealer yesterday to repair some curb damage to the rims and mentioned the headlights. They aimed it correctly, so now its perfect...
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Old Jun 28, 2012 | 06:11 PM
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2012 GLK 350 P1 COMAND LIGHTING AMG... , 2011 maxima
Originally Posted by WalthamGLK
I brought my GLK to the dealer yesterday to repair some curb damage to the rims and mentioned the headlights. They aimed it correctly, so now its perfect...


the dealer repairs curb damage?!? what did they charge?
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Old Jun 29, 2012 | 06:01 AM
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2012 GLK350 4Matic
Originally Posted by ralphA
the dealer repairs curb damage?!? what did they charge?

I had purchased a Tire & Wheel package since the GLK came with the AMG package. They had a third party come in and repair it. You cant even tell that it was damaged before.
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Old Jun 29, 2012 | 01:20 PM
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Originally Posted by WalthamGLK
I had purchased a Tire & Wheel package since the GLK came with the AMG package. They had a third party come in and repair it. You cant even tell that it was damaged before.
Yup, but it's a spin of the dice. If the 3rd party wheel doctor are good and competent, you're peachy, if not, you're out of luck. Had a wheel repaired at an Infinity/Nissan dealership (for my GT-R). They ruined it. Dealer bought me a new one. So it all depends of the guy doing the repair.
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Old Jun 29, 2012 | 05:32 PM
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Originally Posted by MBRedux
Yup, but it's a spin of the dice. If the 3rd party wheel doctor are good and competent, you're peachy, if not, you're out of luck. Had a wheel repaired at an Infinity/Nissan dealership (for my GT-R). They ruined it. Dealer bought me a new one. So it all depends of the guy doing the repair.
So true.
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Old Jun 29, 2012 | 05:58 PM
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Originally Posted by ralphA
the dealer repairs curb damage?!? what did they charge?
The MB dealer in my area did all 4 of mine. two were damaged and since I wanted all 4 to match exactly I had them do all 4. The bill was $500.

Found out later that these are the people they use. Others on a different forum told me they charge on average $100 per wheel. They do curb rash and wheel straightening. See their web site.

http://www.awrswheelrepair.com/

They did great work.
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Old Jun 29, 2012 | 09:34 PM
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2012 GLK 350 P1 COMAND LIGHTING AMG... , 2011 maxima
thanks ! I will check them out
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Old Jul 3, 2012 | 08:39 AM
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Cool

Originally Posted by venchka
Use the high beams. They aren't low.

Wayne
Originally Posted by n5160u
If the lights are the OEM Bi-Xenons the adjustment of the fixture for correct aim will affect both main and dipped beam.
My Point: The Bi-Xenon high beams light up the world.

So. How does one know if the low beams are aimed too low?

Wayne
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