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Home >> Mercedes Benz >> 2018 >> GLC300 Base >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Doors - 253 Chassis - 1 Of 2 >> Testing & Repair >> Remove/Install Electric Liftgate Drive Unit >> Remove/Install Electric Liftgate Drive Unit - AR72.29-P-5590LWX

Remove/Install Electric Liftgate Drive Unit - AR72.29-P-5590LWX

Model 253.3 

with code 890 (EASY-PACK-tailgate) 

G12941129Courtesy of MERCEDES-BENZ USA
  Risk of injury  caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof. No parts of the body or limbs should be within the operating area when the components are moving. AS00.00-Z-0011-01A
NOTES Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
IMPORTANT Notes on sensor system for trunk lid opening/closing Model 253.3
with code 871 (HANDS-FREE ACCESS)
with code 889 (KEYLESS-GO)
with code 890 (EASY-PACK-tailgate)
AH80.61-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Remove center liftgate paneling   AR72.20-P-6618LWS 
2 Disconnect electrical connector (1)    
3 Detach grommet (2) from liftgate (3) INSTALLATION IMPORTANT : Make sure that grommet (2) is seated correctly.  
4 Unclip electrical wiring harness (4) and guide outward out of liftgate (3)    
5 Secure liftgate (3) with support SPECIAL TOOL Support Fig 1
6 Lift lower retainer (5) with a suitable screwdriver, and remove trunk lid/liftgate control drive unit (M51/3) from D-pillar NOTES
Do not remove lower retainer (5).
Otherwise the tension on the lower retainer (5) can be lost.
INSTALLATION IMPORTANT : Clip trunk lid/liftgate control drive unit (M51/3) with lower retainer (5) installed into ball head.
 
7 Lift upper retainer (6) with a suitable screwdriver, detach trunk lid/liftgate control drive unit (M51/3) from liftgate (3) and remove NOTES
Do not remove upper retainer (6).
Otherwise the tension on the upper retainer (6) can be lost.
INSTALLATION IMPORTANT : Clip trunk lid/lift gate control drive unit (M51/3) with upper retainer (6) installed into ball head.
 
8 Remove trunk lid/liftgate control drive unit (M51/3)    
9 Install in the reverse order    
10 Normalize trunk lid/liftgate control drive unit (M51/3) with diagnostic system When replacing trunk lid/liftgate control drive unit (M51/3).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04B
Fig 1: Identifying Support (170 589 04 63 00)
G11129177Courtesy of MERCEDES-BENZ USA