Active Lane Keep Assist with Distronic Plus




In the market for a W221 and this is one of my last questions to be figured out before making a purchase.
Was active lane keep assist ever an option on the W221? By active I mean it has a servo that can physically turn the wheel to keep the vehicle centered in the lanes.
If this does exist, what would I look for to know if a W221 has it?
What would I look for to determine if the car has Distronic Plus?
Thank you!




In the market for a W221 and this is one of my last questions to be figured out before making a purchase.
Was active lane keep assist ever an option on the W221? By active I mean it has a servo that can physically turn the wheel to keep the vehicle centered in the lanes.
If this does exist, what would I look for to know if a W221 has it?
What would I look for to determine if the car has Distronic Plus?
Thank you!
This lane keep in my car is not a servo doing steering. It is made by applying front brake to pull car back in the lane. Later car models may/probably have active steering that actually steers the car to keep it in the traveling lane.
It is easy to find if the car has Distronic. The front grille has a square middle part that has "painted" lines to match the slats in the grille or if it has round big star it has solid cover on it. Opening the hood will reveal the Distronic radar sensor. It is right in the open in the middle of the radiator when hood is up.
earlier ones don't get it - and of course ONLY cars that have the rare option of Distronic Plus (active cruise control)
use a chassis decode tool and check for
238 - ACTIVE LANE KEEPING ASSIST (FAP)




https://www.carmanualsonline.info/me...ch=Lane+assist
Active Lane Keeping Assist monitors the area
in front of your vehicle by means of a camera
at the top of the windshield. Active Lane
Keeping Assist detects lane markings on the
road and warns you before you leave your
lane unintentionally. If you do not react to the
warning, a lane-correcting application of the
brakes can bring the vehicle back into the
original lane.




earlier ones don't get it - and of course ONLY cars that have the rare option of Distronic Plus (active cruise control)
use a chassis decode tool and check for
238 - ACTIVE LANE KEEPING ASSIST (FAP)
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