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Home >> Mercedes Benz >> 2021 >> Metris Van Cargo >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Doors (1 Of 3) -- 447 Chassis >> Testing & Repair >> Remove/Install Electric Liftgate Drive Unit - AR72.29-S-5590E

Remove/Install Electric Liftgate Drive Unit - AR72.29-S-5590E

Model 447, 448 

With Code W68 (EASY-PACK-tailgate) 

Fig 1: Electric Liftgate Drive Unit Components Location - Model 447 With Code W68
G16488408WARNINGREMOVINGINSTALLINGTORQUE SPECIFICATIONINSPECTCourtesy of MERCEDES-BENZ USA
WARNING 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
REMOVING Remove     
1 Remove rear right side paneling Model 447.8 with code W68 (EASY-PACK-tailgate) except code ZK7 (Equipment line MARCO POLO)
Model 448.7 with code V23 (Interior trim, premium version) with code W68 (EASY-PACK-tailgate)
Model 448.8 with code W68 (EASY-PACK-tailgate)
AR68.30-S-4780E
    Model 447.8 with code W68 (EASY-PACK-tailgate) with code ZK7 (Equipment line MARCO POLO) AR68.30-S-1207E
2 Disconnect electrical connection (1)    
3 Unlock retainer (2) and remove guide rod (3) from liftgate control drive unit (M74)    
4 Unscrew bolts (4) and remove liftgate control drive unit (M74)    
INSTALLING Install     
5 Position liftgate control drive unit (M74) and tighten bolts (4) TORQUE SPECIFICATION Bolt, drive unit for power liftgate to body *BA72.20-Z-1021-03KOJ 
6 Connect electrical connector (1)    
7 Adjust liftgate control drive unit (M74) by actuating liftgate open/close switch to "Liftgate open" position When replacing tailgate control drive unit (M74).  
8 Install guide rod (3) on liftgate control drive unit (M74) and lock retainer (2)    
9 Install rear right side paneling Model 447.8 with code W68 (EASY-PACK-tailgate) except code ZK7 (Equipment line MARCO POLO)
Model 448.7 with code V23 (Interior trim, premium version) with code W68 (EASY-PACK-tailgate)
Model 448.8 with code W68 (EASY-PACK-tailgate)
AR68.30-S-4780E
    Model 447.8 with code W68 (EASY-PACK-tailgate) with code ZK7 (Equipment line MARCO POLO) AR68.30-S-1207E
INSPECT Check     
10 Check electric liftgate for proper function    
LIFTGATE

Number Designation Model 447, 448
BA72.20-Z-1021-03KOJ Bolt, drive unit for power liftgate to body Nm 25