How to test headlight auto leveling function?
Thread Starter
Newbie
Joined: Nov 2007
Posts: 7
Likes: 0
2006, W203, C200K
How to test headlight auto leveling function?
Hi all,
I got this 2006 W203 with original Bi-xenon option. I am suspecting the auto-leveling is not functioning correctly. Will appreciate you could advise me on how to test it out.
Thanks.
I got this 2006 W203 with original Bi-xenon option. I am suspecting the auto-leveling is not functioning correctly. Will appreciate you could advise me on how to test it out.
Thanks.
Super Member
Joined: May 2006
Posts: 546
Likes: 10
From: Cumberland, RI U.S.A.
2005 C230WZ SS Capri Blue/Ash
Just park your car towards a wall. Then, at night preferably, turn on your lights. Before the BI-xenons fire up, the city lights will light up the wall ahead of you. And while they're lit up you'll be able to see the light beam move up and down. At this time, the bi-xenons will fire up, and depending on how quick they fire up, you may also see the bi-xenons light beam move as well.
Or, you can just have someone start the car for you while you're looking at the lights. As soon as they come on, you can see the projector part of the light assembly move up and down.
Very cool to see, and it always make for a good crowd pleaser.
Cintoman
Or, you can just have someone start the car for you while you're looking at the lights. As soon as they come on, you can see the projector part of the light assembly move up and down.
Very cool to see, and it always make for a good crowd pleaser.
Cintoman
Out Of Control!!
Joined: Nov 2005
Posts: 18,677
Likes: 9
From: OC
a quarter mile at a time
Park your car towards a wall. While your engine is off, turn your headlights all the way to the on position. Then turn your car on. You will see your headlights dip, then return to thier normal height.
Thread Starter
Newbie
Joined: Nov 2007
Posts: 7
Likes: 0
2006, W203, C200K
headlight auto-leveling inoperative
Ok, I have run the test according to the suggestions and found the auto-leveling is not functional at all. I remember this abnormality started to appears since the dealer done a ECU reset.
I am suspecting that the dealer could have incorrectly re-cycled the battery power to reset the ECU, and in the process, damaged one of the SAM's.
My queston is:
Is the auto-leveling control by one of SAM's? If it is, which one?
Everything on my car is functoning correctly except headlight auto-leveling. Will it possibly be the result of a partially failed SAM?
Do my car equipped with SAM at all?
Will appreciate your advice.
I am suspecting that the dealer could have incorrectly re-cycled the battery power to reset the ECU, and in the process, damaged one of the SAM's.
My queston is:
Is the auto-leveling control by one of SAM's? If it is, which one?
Everything on my car is functoning correctly except headlight auto-leveling. Will it possibly be the result of a partially failed SAM?
Do my car equipped with SAM at all?
Will appreciate your advice.
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MBWorld Fanatic!
Joined: Feb 2007
Posts: 1,938
Likes: 2
From: Madison WI
2003 SL55, 2010 C63
When the dealer installed OEM bixenon for my car, they said the auto leveling is not working.
But when I start the car, the headlight will dip and turn back to normal position like everyone else.
I think my hi beam is still the H7 halogen though.
When I ask the dealer to show me how they work, he showed me the E63's bixenon changes angle for high beam and the high beam light will also turn on.
What's that suppose to mean? I am still confused about xenon and bixenon...
Andy
But when I start the car, the headlight will dip and turn back to normal position like everyone else.
I think my hi beam is still the H7 halogen though.
When I ask the dealer to show me how they work, he showed me the E63's bixenon changes angle for high beam and the high beam light will also turn on.
What's that suppose to mean? I am still confused about xenon and bixenon...
Andy
Last edited by andy_meng1024; Nov 6, 2007 at 09:58 AM.
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MBWorld Fanatic!
Joined: Oct 2006
Posts: 2,240
Likes: 5
From: New Jersey
E550 4MATIC
When the dealer installed OEM bixenon for my car, they said the auto leveling is not working.
But when I start the car, the headlight will dip and turn back to normal position like everyone else.
I think my hi beam is still the H7 halogen though.
When I ask the dealer to show me how they work, he showed me the E63's bixenon changes angle for high beam and the high beam light will also turn on.
What's that suppose to mean? I am still confused about xenon and bixenon...
Andy
But when I start the car, the headlight will dip and turn back to normal position like everyone else.
I think my hi beam is still the H7 halogen though.
When I ask the dealer to show me how they work, he showed me the E63's bixenon changes angle for high beam and the high beam light will also turn on.
What's that suppose to mean? I am still confused about xenon and bixenon...
Andy
Xenon light only is used for low-beams. For high beams they use a regular halogen AND the reflector in the lense of the bi-xenon turns upwards allowing more light to come out. So high beams use xenon and halogen light.
By the way, you were able to get your dealer to install them???
MBWorld Fanatic!
Joined: Feb 2007
Posts: 1,938
Likes: 2
From: Madison WI
2003 SL55, 2010 C63
The way bi-xenon's work is as follows:
Xenon light only is used for low-beams. For high beams they use a regular halogen AND the reflector in the lense of the bi-xenon turns upwards allowing more light to come out. So high beams use xenon and halogen light.
By the way, you were able to get your dealer to install them???
Xenon light only is used for low-beams. For high beams they use a regular halogen AND the reflector in the lense of the bi-xenon turns upwards allowing more light to come out. So high beams use xenon and halogen light.
By the way, you were able to get your dealer to install them???
MBWorld Fanatic!
Joined: Feb 2007
Posts: 1,938
Likes: 2
From: Madison WI
2003 SL55, 2010 C63
The way bi-xenon's work is as follows:
Xenon light only is used for low-beams. For high beams they use a regular halogen AND the reflector in the lense of the bi-xenon turns upwards allowing more light to come out. So high beams use xenon and halogen light.
By the way, you were able to get your dealer to install them???
Xenon light only is used for low-beams. For high beams they use a regular halogen AND the reflector in the lense of the bi-xenon turns upwards allowing more light to come out. So high beams use xenon and halogen light.
By the way, you were able to get your dealer to install them???
Out Of Control!!
Joined: Nov 2005
Posts: 18,677
Likes: 9
From: OC
a quarter mile at a time
even if you install oem bix, they will not autolevel like cars that came from the factory with bix. there are sensors that have to be installed for the whole system to work.
MBWorld Fanatic!
Joined: Jun 2006
Posts: 2,140
Likes: 1
From: Long Island, NY
C3Twon AWD Jumpofffff
Member
Joined: Aug 2007
Posts: 226
Likes: 0
From: Sarasota, FL
2007 C350 6M
Thanks! I love the C350 M6. This is all I have for now, I do need to take some pictures sometime though. This may make it worse, but I am going to see Sunil in a few weeks to get a bunch of mods. 
http://cgi.ebay.com/ebaymotors/ws/eB...m=120151086285
http://cgi.ebay.com/ebaymotors/ws/eB...m=120151086285
Member
Joined: Aug 2007
Posts: 226
Likes: 0
From: Sarasota, FL
2007 C350 6M
Can you tell us if you have the factory headlight washers? I guess that *might* determine whether it came with factory Bi-X or if it was installed aftermarket.
Thread Starter
Newbie
Joined: Nov 2007
Posts: 7
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2006, W203, C200K
Yes, they came with headlight washers, and I do not recommend anyone using it on a fine and dry day because they spray water and foam all over the hood.
The auto-leveling did worked perfectly before the dealer reset the ECU.
The auto-leveling did worked perfectly before the dealer reset the ECU.
Member
Joined: Aug 2007
Posts: 226
Likes: 0
From: Sarasota, FL
2007 C350 6M
Good luck
