Remove/install rear prefuse box

AR54.15-P-1340LC

Remove/install rear prefuse box

09.01.2020

Model

217

Shown on model 217.3

1

Cover

6

Rear prefuse box

2

Right luggage compartment paneling

7

Electric line

3

Nut

8

Positive lines

4

Ground cable

9

Bolts

5

Additional battery

10

Bracket

 Danger

Risk of fire/risk of explosion due to short circuit and escaping oxyhydrogen gas. Risk of (burn) injury caused by caustic burns to eyes, skin and mucous membranes from battery electrolyte/mist, short circuit and arcing. Risk of poisoning caused by swallowing battery electrolyte or absorption of lead through the skin or body orifices. Risk of death due to voltage U >= 30 V AC and U >= 60 V DC.

No fires, sparks, open flames, or smoking. Wear acid-resistant gloves, clothing, and glasses. Pour battery acid only into suitable and appropriately marked containers.

AS54.10-Z-0001-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Topical note

Notes on battery

AH54.10-P-0001-01A

Notes on replacing safety-relevant components

AH00.19-P-1000-02A

Notes on HANDS-FREE ACCESS

AH80.61-P-0001-01A

 

Remove/install

1.1

Disconnect battery ground line

Model 217.3

AR54.10-P-0003LF

1.2

Remove battery

Model 217.4

AR54.10-P-0005LCA

2

Remove trim (1)

Model 217.3

AR68.30-P-4600LC

3

Remove right trunk trim (2)

Model 217.3
When disconnecting ground line (4) of additional battery (5).

AR68.30-P-4600LC

4

Unscrew nut (3) and remove ground line (4) of additional battery (5) from ground point

Model 217.3


Cover connector of ground line (4) in order to prevent an unwanted ground connection.
There is otherwise a risk of short circuit when removing the rear prefuse box (6).

 Rear additional battery ground point

*BA00.19-P-1010-01J

5

Unclip electrical line (7) from rear prefuse box (6)

6

Detach positive lines (8) from rear prefuse box (6)

 The connections of the positive lines (8) are shape-coded.

 The number of positive lines (8) may depend on the vehicle equipment.

 Nut, positive terminal to rear prefuse box

*BA54.15-P-1004-01J

7

Unscrew screws/bolts (9) and remove rear prefuse box (6) from bracket (10)

8

Remove rear prefuse box (6) from trunk

9

Install in the reverse order

 Ground points

Number

Designation

Model 217
up to model year 2018

Model 217
as of model year 2018

BA00.19-P-1010-01J

Rear additional battery ground point

W7/6

Nm

10

10

 Fuse and relay box

Number

Designation

Model 217

BA54.15-P-1004-01J

Nut, positive terminal to rear prefuse box

M6

Nm

8

M8

Nm

16