Mercedes Benz Truck GLK 350 Technical Problem # 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

Mercedes Benz Truck GLK 350 Technical Problem # 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
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!
Symptoms