Monday, June 3, 2019

Mercedes-Benz A220 2020 Technical Service Bulletin # LI33-30_P-055908 Date: 130412


Drivetrain - Noises at Full Lock From Front Axle Area



Squeaking noise emanating from area of front axle at full steering lock



Topic number L133.30-P-055908



Version 1



Design group 33.30 Final drive, differential, drive shaft



Date 04-12-2013



Validity Models: All Mercedes-Benz cars with front-wheel drive



and 4x4 vehicles



Reason for change



Complaint:



Noises (squeaking) at full steering lock from the area of the front axle.



Cause:



The painting of the rubber boot during production can result in a squeaking noise in the area of the outer joints at full lock.



Remedy:



Raise the vehicle at the front axle, then turn the steering wheel to full lock on both sides while rotating the wheels by hand. If there is a squeaking



noise near the full lock position, the following work procedure is to be performed:



1. Clean boots on left and right outer joints.



2. Coat boots on left and right outer joints with lubricant A 000 989 36 60*.



Note:



Do not replace the side shafts on account of this complaint.



Symptoms



Parts



Mercedes-Benz A220 2020 Page 442

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