Remove/install detachable parts for replacing rear crossmember

AR60.00-S-0001E

Remove/install detachable parts for replacing rear crossmember

04.03.2020

Model

447, 448

1

Screw

2

Lock striker

3

Covers

4

Bolts

5

Door stop

6

Bolts

7

Lock striker

 Danger

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.

AS00.00-Z-0010-01A

 Danger

Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC)

Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines.Model 447 with engine 780

AS00.00-Z-0035-01A

 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

General information on vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system as well as personal protective equipment

Model 447 with engine 780

AH00.00-Z-0300-01A

 

Remove/install

1

Detach ground line of on-board electrical system battery.

AR54.10-S-0003E

2

Disconnect ground line of auxiliary battery.

Model 447.6/7
with code E28 (Additional battery for retrofitted consumers)
Model 447.7/8
with code EE8 (Battery 12V 100 Ah)
Model 447.7/8
with code EE9 (12 V/80 Ah additional battery)

AR54.10-S-0004E

3

Remove ground line of auxiliary battery for ECO start/stop function.

Model 447
with code MJ8 (ECO start/stop function)
except code D50 (Full-length partition)
except code D51 (Entire partition with 1 window)
except code S23 (Co-driver's seat double seat)
Model 448

AR54.10-S-0111E

Model 447
with code D50 (Full-length partition)
with code MJ8 (ECO start/stop function)
Model 447
with code D51 (Entire partition with 1 window)
with code MJ8 (ECO start/stop function)
Model 447
with code MJ8 (ECO start/stop function)
with code S23 (Co-driver's seat double seat)

AR54.10-S-0111EE

4

Disconnect ground on additional battery for park pawl emergency shift.

Model 447 with engine 780
except code G42 (7G-TRONIC PLUS)
except code G43 (9G-TRONIC)
Model 447
with code G42 (7G-TRONIC PLUS)
except code MJ8 (ECO start/stop function)
Model 447
with code G43 (9G-TRONIC)
except code MJ8 (ECO start/stop function)

AR54.10-S-0120E

5.1

Remove liftgate.

Model 447
with code W65 (Tailgate)
Model 447
with code W68 (Electrically operated liftgate)
Model 448.7
with code W65 (Tailgate)
Model 448.8
with code W68 (Electrically operated liftgate)
When replacing liftgate.

AR72.20-S-1020E

5.2

Remove left rear-end door and/or right rear-end door.

Model 447.6/7
with code W50 (Rear-end door, double-wing, 180 degrees without window)
Model 447.6/7
with code W54 (2-wing rear-end door, 270 degrees)
When replacing left rear-end door and/or right rear-end door.

AR72.20-S-1901E

6

Remove carrier for rear bumper.

AR88.20-S-2250E

7

Detach decoupling elements at rear muffler.

Model 447 with engine 274, 651
Model 447 with engine 654.9
Model 448 with engine 274

AR49.10-S-4823E

 Do not remove the rear muffler.

8.1

Remove rear towing eye.

Model 447
except code Q22 (Trailer coupling, rigid coupling head)
except code Q24 (Trailer cross member NAFTA, towing capacity 5000Ibs)
except code Q50 (Trailer coupling with removable ball-type head)
Model 448
except code Q22 (Trailer coupling, rigid coupling head)
except code Q50 (Trailer coupling with removable ball-type head)

AR64.20-S-1203E

8.2

Remove trailer hitch.

Model 447
with code Q22 (Trailer coupling, rigid coupling head)
Model 447
with code Q24 (Trailer cross member NAFTA, towing capacity 5000Ibs)
Model 447
with code Q50 (Trailer coupling with removable ball-type head)

AR31.10-S-8000E

9

Remove spare wheel holder.

Model 447, 448
with code RR6 (Spare tire with jack)

AR40.00-S-0100E

10.1

Release sealing frame of liftgate in repair area.

Model 447
with code W65 (Tailgate)
Model 447
with code W68 (Electrically operated liftgate)
Model 448.7
with code W65 (Tailgate)
Model 448.8
with code W68 (Electrically operated liftgate)

AR72.20-S-2120E

10.2

Release sealing frame of the rear-end doors in the repair area.

Model 447.6/7
with code W50 (Rear-end door, double-wing, 180 degrees without window)
Model 447.6/7
with code W54 (2-wing rear-end door, 270 degrees)

AR72.20-S-2122E

11

Remove rear-end center-section trim.

Model 447.7, 448
with code V33 (Floor covering in passenger compartment (carpeted))
Model 447.7, 448
with code V41 (Carpeted floor in passenger compartment)
Model 447.8

AR68.30-S-4785E

Model 447.6
with code V43 (Wood flooring)
Model 447.7
with code V43 (Wood flooring)
except code V33 (Floor covering in passenger compartment (carpeted))
except code V41 (Carpeted floor in passenger compartment)

AR68.30-S-4785EE

12

Remove lock striker (2).

Model 447, 448
with code W65 (Tailgate)
Model 447, 448
with code W68 (Electrically operated liftgate)

 To do this, remove screw/bolts (1) .

 Bolt, lock striker to body

*BA72.20-N-1003-03J

13

Remove covers (3).

Model 447.6/7
with code W50 (Rear-end door, double-wing, 180 degrees without window)
Model 447.6/7
with code W54 (2-wing rear-end door, 270 degrees)

14

Remove door check (5).

Model 447.6/7
with code W50 (Rear-end door, double-wing, 180 degrees without window)
Model 447.6/7
with code W54 (2-wing rear-end door, 270 degrees)

 For this purpose, remove bolts (4).

15

Remove lock strikers (7).

Model 447.6/7
with code W50 (Rear-end door, double-wing, 180 degrees without window)
Model 447.6/7
with code W54 (2-wing rear-end door, 270 degrees)

 To do so, remove the bolts (6).

 Bolt, lock striker to crossmember

*BA72.20-N-1008-01J

16

Install in the reverse order.

 Liftgate

Number

Designation

Model 447, 448

BA72.20-N-1003-03J

Bolt, lock striker to body

Nm

20

 Rear-end door

Number

Designation

Model 447.6/7 with code W54

Model 447.6/7 with code W50

BA72.20-N-1008-01J

Bolt, lock striker to crossmember

Nm

20

20