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  #21  
Old 08-25-2019, 11:22 PM
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High-beam assistant.
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  #22  
Old 08-26-2019, 10:55 AM
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Quote:
Originally Posted by josiahg52 View Post
High-beam assistant.
I don't think so, but I don't really know. How can I tell from looking at the car?

From a VIN decoder in the section on lighting:

S508A Park Distance Control PDC S563A Makeup mirror illuminated S521A REGENSENSOR S522A Xenon Light S524A Headlight control S544A GESCHWINDIGKEITSREGEL MIT BREMSF

Definitely has adaptive Xenon lights that move with the steering and go up and down.
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  #23  
Old 08-27-2019, 12:23 AM
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Quote:
Originally Posted by Skyline View Post
I don't think so, but I don't really know. How can I tell from looking at the car?

From a VIN decoder in the section on lighting:

S508A Park Distance Control PDC S563A Makeup mirror illuminated S521A REGENSENSOR S522A Xenon Light S524A Headlight control S544A GESCHWINDIGKEITSREGEL MIT BREMSF

Definitely has adaptive Xenon lights that move with the steering and go up and down.
S508A - Park distance control
S563A - Lighted mirrors in sun visors
S521A - Rain sensor (for windshield wipers)
S522A - Xenon (HID) lights
S524A - Adaptive headlights
S544A - Cruise control with braking

It appears you don't have HBA.
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  #24  
Old 08-27-2019, 10:34 AM
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So what is HBA exactly?
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  #25  
Old 08-27-2019, 01:16 PM
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Originally Posted by Skyline View Post
So what is HBA exactly?
In the US, it's a crippled system that simply turns on and off the high-beams based on inputs to a camera in the inside rear view mirror. US cars receive S8S4A - Variable Light Distribution Decoding which removes the ability for the Adaptive Headlight System to independently move the projectors and operate the bi-Xenon shutters. This advanced Adaptive Headlight System system is referred to as AHL2 while the simple steering-input based AHL system is used on US cars. HBA combined with AHL2 is a very capable and impressive system.
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  #26  
Old 08-28-2019, 03:38 PM
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Quote:
Originally Posted by josiahg52 View Post
In the US, it's a crippled system that simply turns on and off the high-beams based on inputs to a camera in the inside rear view mirror. US cars receive S8S4A - Variable Light Distribution Decoding which removes the ability for the Adaptive Headlight System to independently move the projectors and operate the bi-Xenon shutters. This advanced Adaptive Headlight System system is referred to as AHL2 while the simple steering-input based AHL system is used on US cars. HBA combined with AHL2 is a very capable and impressive system.
Thanks for the info. I appreciate your assistance.

Any further idea on the problem I've been having with the high beams becoming non-functional after the headlights have been on for a while?
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