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Technical Service Bulletin # Mercedes Benz Truck GLK 350 LI82-60_P-054090 Date: 120913

Technical Service Bulletin # Mercedes Benz Truck GLK 350 LI82-60_P-054090 Date: 120913

Entertainment Sys. - iPad(R) Rear Integration Plus Noises

iPad(R) Rear Integration Plus: Squeaking noises when adjusting screen angle

Topic number LI82.60-P-054090

Version 1

Design group 82.60 Radio, audio/video systems

Date 09-13-2012

2011 Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Page 16

Validity Model 164, 251, 221, 204, 212, 218 without code (864) Rear Seat Entertainment system, with and without code (866) Rear Seat Model 166 without code (864) Rear Seat Entertainment system, with code (866) Rear Seat Entertainment preinstallation.

Reason for change Validity and designation adjusted

Complaint:

When adjusting the screen angle of the iPad(R) Rear Integration Plus (accessory from Mercedes-Benz Accessories), squeaking noises may occur

after intensive use.

The object numbers shown above are affected.

Cause:

Insufficient lubrication of ball joint.

Remedy:

Oil the ball joint using the special lubricant A000 989 36 60.

Raise the head restraint and perform the following steps (see pictures in attachment):

1. Slacken the Allen screw (1) using an Allen wrench (size 3) until there is a gap between the two locking plates (2).

2. Apply a drop of lubricant between the locking plates (2).

3. Move the ball joint (3) to distribute the lubricant.

2011 Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Page 17

4. Retighten the Allen screw (1) to 2 Nm.

Attachments

Symptoms

Parts

Work units

2011 Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Page 18

2011 Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Page 19