Installing the top pipe mounting bracket (Mercedes-Benz S-Class W220)
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Fix the bracket 85 at an angle of 90° to the pipe as shown in the illustrations. Adjust the distance "b" between the bracket 85 and the locking ring 70h. The distance "b" is determined by the satisfactory operation of the signals and the airbag contact spring. Tighten the bolt 85a.
[Information copied from the website: MercedesMAN]