This set of front adjustable lowering links (adjustable height sensor arm) for the Mercedes Benz W211 models with airmatic suspension is for models fitted with the adjustable front camber arms. The adjustable front A-Arms are too thick, hence the height sensor will sense that the car is too high and will try to lower the car some more. With this sensor links, the length of the link will be adjusted shorter, to bring the car up to normal height position. This is a quick and easy way to adjust the car back to normal position.
Note: These links are shorter then the stock links hence they are not for the normal stock control arms.
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