Remove/install detachable parts for replacing upper front longitudinal member

AR60.00-S-0016E

Remove/install detachable parts for replacing upper front longitudinal member

04.03.2020

Model

447, 448

Shown on left side of vehicle

1

Plug

3

Cable

2

Plug

4

Cable bracket

Shown on right side of vehicle

5

Fuse box

6

Cover

7

Lock clip

8

Lock

9

Nut

10

Bolts

11

Ground terminal point

K40/10

Engine compartment fuse and relay module

 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

Remove air/water duct.

AR83.25-S-1410E

2

Detach ground line of on-board electrical system battery.

AR54.10-S-0003E

3

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

4

Remove ground line of the 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

5

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

6

Remove hood.

If damaged.

AR88.40-S-3000E

7

Remove respective fender liner in the front fender.

AR88.10-S-1300E

8

Remove front bumper.

AR88.20-S-2000E

If a new front bumper is installed,



disassemble front bumper.

Model 447.6
Model 447.7
Model 447.8
except code PS2 (AMG line)
except code XM0 (Facelift)
Model 448.7
Model 448.8
except code PS2 (AMG line)

AR88.20-S-2050E

Model 447.8
with code PS2 (AMG line)
except code XM0 (Facelift)
Model 448.8
with code PS2 (AMG line)

AR88.20-S-2050EA

Model 447.8
with code XM0 (Facelift)

AR88.20-S-2050EB

9

Remove respective mounting rail of the longitudinal member panel.

Model 447.8, 448.8

AR88.80-S-6005CH

10

Remove top front module crossmember.

AR88.30-S-1940E

11

Remove cross member.

AR62.30-S-1360E

12

Remove respective front fender.

AR88.10-S-1000E

13

Remove respective grommets (1, 2).

14

Remove cable (3) of the hood.

If left side of vehicle is damaged.

15

Remove cable bracket (4) of the hood.

If left side of vehicle is damaged.

16

Remove the cover (6).

If right side of vehicle is damaged.

 To do so, release the locking clamps (7).

17

Remove engine compartment fuse and relay module (K40/10).

If right side of vehicle is damaged.

 To do so, release lock (8) and swivel engine compartment fuse and relay module (K40/10) upward out of the fuse box (5).

18

Remove nuts (9).

If right side of vehicle is damaged.

19

Remove screws (10).

If right side of vehicle is damaged.

20

Remove fuse box (5).

If right side of vehicle is damaged.

21

Remove ground support point (11).

If right side of vehicle is damaged.

22

Install in the reverse order.