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Remove/Install Liftgate - AR72.20-P-1020FRX

Model 290 

G16555997Courtesy 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
Topical note  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Remove liftgate trim.   AR72.20-P-6631FRX 
2 Mechanically lock rotary tumbler on trunk lid/liftgate lock (A85/5) with a suitable tool. INSTALLATION NOTES
Before adjusting the liftgate (1), the lock must be unlocked.
Otherwise, the trunk lid/liftgate lock (A85/5) may be damaged during closing.
 
3 Detach feed-through grommets (3) from the liftgate (1).    
4 Unclip the brackets of the feed-through grommets (3). INSTALLATION NOTES
Insert brackets into the feed-through grommets (3) first.
Otherwise, leak tightness is not ensured.
 
5 Unscrew nut from the right liftgate ground point (W8/2). TORQUE SPECIFICATION Liftgate ground points *BA00.19-P-1040-02D 
6 Disconnect all electrical connectors from the right electrical wiring harness (5) on the liftgate (1).    
7 Mark installation position of the right electrical wiring harness (5) and remove the associated electrical connectors from the liftgate (1). INSTALLATION NOTES
Replace damaged fasteners.
A loose right electrical wiring harness (5) can cause noises.
 
8 Pull right electrical wiring harness (5) out of the liftgate (1).    
9 Disconnect all electrical connectors from the left electrical wiring harness (6) on the liftgate (1).    
10 Mark installation position of the left electrical wiring harness (6) and remove associated electrical connectors from the liftgate (1). INSTALLATION NOTES
Replace damaged fasteners.
A loose left electrical wiring harness (6) can cause noises.
 
11 Pull left electrical wiring harness (6) out of liftgate (1).    
12 Place rag below the jacking points of the liftgate (1) to the bodyshell.    
13 Loosen bolts (2).    
14 Remove electrical liftgate drive unit.   AR72.29-P-5590FRX 
15 Remove screws (2) and remove liftgate (1). IMPORTANT Helper required.  
    TORQUE SPECIFICATION Bolt, hinge to liftgate *BA72.20-P-1002-02O 
16 Install in the reverse order.    
17 Adjust trunk lid.   AR72.20-P-0002FRX 
GROUND POINTS

Number Designation Model 290
BA00.19-P-1040-02D Liftgate ground points W8/2 Nm 10
LIFTGATE

Number Designation Model 290 except code U94/U99 Model 290 with code U94/U99
BA72.20-P-1002-02O Bolt, hinge to liftgate Nm 40 40