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Technical Service Bulletin # Mercedes Benz Truck GLK 350 LI72-20_P-050272 Date: 120409

Technical Service Bulletin # Mercedes Benz Truck GLK 350 LI72-20_P-050272 Date: 120409

Body - Liftgate Doesn't Open/Rattling In Area Of Liftgate

Liftgate does not open / rattling noises in area of liftgate

Topic number LI72.20-P-050272

Version 1

Design group 72.20 Rear door, tailgate

Date 04-09-2012

Validity MODEL 212.2

MODEL 204.2/204.9

with code 890

Reason for change

2011 Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Page 65

Complaint:

1. The liftgate occasionally does not open, and a rattling noise can be heard from the area of the liftgate instead.

2. The liftgate can only be opened by operating the liftgate handle twice.

Cause:

The liftgate lock does not unlock completely (jams) and holds the liftgate closed while the drive of the automatic liftgate is being actuated in the

Open direction.

Remedy:

Perform SCN coding in rear SAM using XENTRY Diagnostics (XD).

Vehicles without code 800 or 801:

The SCN coding is only possible in combination with add-on 1623 for XD DVD 07/10,

add-on 1622 for XD DVD 09/10 or as of XD DVD 11/10.

Notes:

^ PLEASE DO NOT REPLACE ANY PARTS!

^ When the problem occurs, the liftgate can only be opened by two (in quick succession) operations of the liftgate handle!