2020 Mercedes Benz Truck ML 350 Technical Service Bulletin # LI33-30_P-055908 Date: 130412

2020 Mercedes Benz Truck ML 350 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:

2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) Page 353

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.