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I live in a central city area and drive on well-lighted and traveled streets most of the time. Last night I was out on a unlit rural highway and noticed that switching on the high beams didn't seem to do anything. If I pulled the lever toward me to flash the lights, then the amount of light dramatically increased. I have the headlight selector knob set to 'Auto'.
Is there any setting that has to do with enabling the high beams? I was really overdriving my lights going 75 - 80 in the dark!
Yes, pushed the stalk forward and saw the indicator lamp appear on the display, but didn't get any more light! Every other car I've owned has a big increase in light when you switch on the high beams ... I wondered if there's any automated thing that might control or restrict when the high beams come on?
Last edited by Tom in Austin; 09-10-2022 at 11:04 AM.
You have to be going a certain speed, I think about 25mph, and you mentioned that you were doing more than that.
Just looking for the obvious things first
Is there a particular datacard code for Adaptive High Beam Assist? Or maybe it's part of a package? If I have this feature that will help with troubleshooting ...
In my W222 and the previous CLS, there is an A in the middle of the blue headlight icon in the display, but on other Mercedes that I have/had there is no A.
On a call, otherwise I would go and snag a picture...
I do have code 608, "Automatic High Beam Switch (IHC)", so perhaps that feature overrode or conflicted with my attempt to turn on high beams by pushing the lever.
Will look for another dark place to try it again, then head for my Indy if still doesn't do what I think it should.
All Cars Lost To Hurricane Isaac (W124 E420 revived - added 88 Allante 14 S550, 17 S63
If i am not mistaking, you can just turn the rotary headlight switch to "ON" (just past straight up switch position)... not AUTO ( straight up switch position) and then push the stalk forward and you will then be able to blind oncoming traffic as you wish
Originally Posted by Tom in Austin
I live in a central city area and drive on well-lighted and traveled streets most of the time. Last night I was out on a unlit rural highway and noticed that switching on the high beams didn't seem to do anything. If I pulled the lever toward me to flash the lights, then the amount of light dramatically increased. I have the headlight selector knob set to 'Auto'.
Is there any setting that has to do with enabling the high beams? I was really overdriving my lights going 75 - 80 in the dark!
If i am not mistaking, you can just turn the rotary headlight switch to "ON" (just past straight up switch position)... not AUTO ( straight up switch position) and then push the stalk forward and you will then be able to blind oncoming traffic as you wish
when using the auto high beam assist or whatever they call it - it does take some time for the system to open the light curtain and illuminate to a greater degree the road ahead. too slow for me so i always turn the lights to manual (as described upthread) and control the high beams manually with the turn signal stalk like cars of yore. you don't get the light curtain action but you get immediate high beams and after-all more light is what you're after - not some snazzy light curtain show that is far too slow to react for the conditions.
09-09-2022, 10:19 AM
