Disassemble/assemble liftgate

AR72.20-S-2407E

Disassemble/assemble liftgate

02.01.2020

Model

447, 448

Shown on MODEL 447 with CODE W64 (Rear window to be opened separately)

1

Liftgate

7

Electrical connector

3

Bracket with ball stud

N144

Camera cover (KAB) control unit

4

Bracket with ball stud

B51/1

Left liftgate edge obstruction sensor

5

Support strap

B51/2

Right liftgate edge obstruction sensor

6

Lock for vent window

Shown on MODEL 447 with CODE W64 (Rear window to be opened separately)

8

Guide wedge

E19/2

Right license plate lamp

9

Drip molding

M76/3

Liftgate closing assist electric motor

E19/1

Left license plate lamp

MODEL 447 with CODE W64 (Separately opening rear window)

1

Liftgate

10

End stop for vent window

11

Ball stud

12

Vent window gas-filled strut



Remove

1

Remove liftgate (1)

AR72.20-S-1020E

2

Remove inner paneling (1) from window frame on liftgate

Model 447.7
with code V23 (Interior trim, premium version)
except code ZK4 (Mixto)
except code ZL3 (National version for Latin America)
except code ZU7 (National version for Canada)
except code ZU8 (National version for USA)
Model 447.7
with code VK7 (Trim, rear door/liftgate, superior quality)
with code ZL3 (National version for Latin America)
Model 447.7
with code VK7 (Trim, rear door/liftgate, superior quality)
with code ZU7 (National version for Canada)
Model 447.7
with code VK7 (Trim, rear door/liftgate, superior quality)
with code ZU8 (National version for USA)
Model 447.8, 448.8
Model 448.7
with code V23 (Interior trim, premium version)

AR72.20-S-1015E

3

Remove paneling from liftgate (1)

AR72.20-S-6445E

4

Remove foil from liftgate (1)

AR72.20-S-4100E

 

Disassemble/assemble

5

Remove wiper motor from liftgate (1)

AR82.30-S-6550E

6

Remove camera cover (KAB) control unit (N144)

Model 447.7/8
with code FR8 (Rear view camera)
with code W65 (Tailgate)
Model 447.7/8
with code FR8 (Rear view camera)
with code W68 (Electrically operated liftgate)
Model 447.8, 448.8
with code JS1 (360° camera)
Model 448.8
with code FR8 (Rear view camera)

AR54.21-S-0023E

7

Remove outer handle (1) on liftgate

AR72.20-S-7320E

8

Remove additional brake lamp

Model 447, 448.8
with code W64 (Separately opening rear window)
except code W65 (Tailgate)

AR82.10-S-5376E

Model 447, 448.7
with code W65 (Tailgate)

AR82.10-S-5376EA

9

Remove lock on liftgate (1)

AR72.20-S-4065E

10

Remove lock for vent window (6)

Model 447
with code W64 (Separately opening rear window)

AR72.20-S-4066E

11

Remove liftgate closing assist electric motor (M76/3)

Model 447.8, 448.8
with code W68 (Electrically operated liftgate)

AR72.30-S-0001E

12.1

Remove rear window

Model 447 with code W65 (Liftgate), model 448

AR67.20-S-5145E

12.2

Remove vent window

Model 447.8
with code W64 (Separately opening rear window)

AR67.20-S-5147EE

13

Remove sealing frame for vent window

Model 447.8
with code W64 (Separately opening rear window)

AR67.20-S-0001E

14

Remove both stops for vent window (10)

Model 447.8
with code W64 (Separately opening rear window)

15

Lift retainer at vent window gas-filled strut (12) with suitable tool and remove vent window gas-filled strut (12) at corresponding ball stud (11)

Model 447.8
with code W64 (Separately opening rear window)


Do not remove retainer for vent window gas-filled strut (12).
Otherwise the tension of the retainer can be lost.

 Assembly: Clip vent window gas-filled strut (12) into ball stud (11) with retainer installed.

16

Remove both ball studs (11)

Model 447.8
with code W64 (Separately opening rear window)

17

Remove bracket with ball stud (4)

Model 447.8
with code W64 (Separately opening rear window)

 Ball stud to liftgate

*BA72.20-N-1004-03J

18

Disconnect electrical connector (7)

19

Remove both guide wedges (8) from liftgate (1)

 Bolt, guide wedge of liftgate

*BA72.20-N-1020-03J

20

Remove both hinges for vent window

Model 447.8
with code W64 (Separately opening rear window)

AR72.20-S-2655E

21

Drill out rivet hon drip rail (9) and remove drip rail (9)

General information on riveting

AH60.00-P-0003-01N

22

Remove license plate number

23

Remove license plate bracket

24

Heat model badge and remove

Fit model badge to liftgate

AR72.20-S-0003E

 Assembly: Replace model badge.

25

Heat Mercedes star and remove

Fit model badge to liftgate

AR72.20-S-0003E

 Assembly: Replace Mercedes star.

26

Remove left license plate lamp (E19/1) and right license plate lamp (E19/2)

AR82.10-S-5161E

27

Remove center trim piece from liftgate (1)

Model 448.8

AR88.85-S-9851CH

28

Remove bottom trim piece from liftgate (1)

Model 448.8

AR88.85-S-9849CH

29

Hold liftgate (1) in lifting device with aid of helper

 Lifting device

*000588048000

30

Remove left edge liftgate anti-pinch protection sensor (B51/1) and right edge liftgate anti-pinch protection sensor (B51/2)

31

Remove support strap (5)

Model 447, 448
except code W68 (Electrically operated liftgate)

32

Remove left electrical wiring harness with hose for windshield washer system on rear window of liftgate (1)

 Observe assembly position.

33

Remove right electrical wiring harness on liftgate (1)

Model 447.8
with code W64 (Separately opening rear window)

AR54.18-S-0003-01E

 Observe assembly position.

34

Remove both brackets with ball stud (3)

 Bolt, bracket with ball stud to liftgate

*BA72.20-N-1015-03J

35

Remove all retaining clips from inner paneling on window frame of liftgate (1) and door paneling on liftgate (1) from window cutout

36

Remove all cable boots

37

Assembly in reverse order



Install

38

Install liftgate (1)

AR72.20-S-1020E

39

Perform cavity preservation

If liftgate (1) is replaced.

AR97.20-S-1500E

40

Install foil on liftgate (1)

AR72.20-S-4100E

41

Install paneling on liftgate (1)

AR72.20-S-6445E

42

Install inner paneling on window frame of liftgate (1)

Model 447.7
with code V23 (Interior trim, premium version)
except code ZK4 (Mixto)
except code ZL3 (National version for Latin America)
except code ZU7 (National version for Canada)
except code ZU8 (National version for USA)
Model 447.7
with code VK7 (Trim, rear door/liftgate, superior quality)
with code ZL3 (National version for Latin America)
Model 447.7
with code VK7 (Trim, rear door/liftgate, superior quality)
with code ZU7 (National version for Canada)
Model 447.7
with code VK7 (Trim, rear door/liftgate, superior quality)
with code ZU8 (National version for USA)
Model 447.8, 448.8
Model 448.7
with code V23 (Interior trim, premium version)

AR72.20-S-1015E

 Liftgate

Number

Designation

Model 447, 448

BA72.20-N-1004-03J

Ball stud to liftgate

Nm

25

 Liftgate

Number

Designation

Model 447, 448

BA72.20-N-1015-03J

Bolt, bracket with ball stud to liftgate

Nm

28

 Liftgate

Number

Designation

Model 447, 448

BA72.20-N-1020-03J

Bolt, guide wedge of liftgate

Nm

8