Remove/Install Rear Pre-Fuse Box - AR54.15-P-1340LF

Model 222

Fig 1: Rear Pre-Fuse Box Components Location - Model 222 (Shown With Code ME04)

Courtesy of MERCEDES-BENZ USA

Shown With Code ME04 (Mild hybrid drive)

	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		AH54.00-P-0001-01A
Topical note	electronic components due to electrostatic discharge
Topical note	Notes on battery		AH54.10-P-0001-01A
	Notes on HANDS-FREE ACCESS		AH80.61-P-0001-01A
	Remove/install
1	Detach ground line of on-board electrical system battery		AR54.10-P-0003LF
2	Remove front luggage compartment lining (1)	Model 222.0/1/9	AR68.30-P-4600LF
3	Remove right trunk trim (2)	Model 222.0/1/9	AR68.30-P-4600LF
	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
4	Unscrew nut (3) and remove ground line (4) of ECO start/stop function additional battery from rear additional battery ground point
Topical note	Notes on the use of paint scraping nuts on ground connections		AH00.19-P-1000-20A
		Cover connector of ground line (4) in order to prevent an unwanted ground connection. Otherwise there is a risk of short circuit when removing the rear pre-fuse box (F33). Rear additional battery ground point	*BA00.19-P-1010-01C
5	Disconnect electrical connections (7)
6	Remove cable ties (8)	Replace cable tie (8).
7	Remove positive lines (9) from rear pre-fuse box (F33)	Number of positive lines (9) depending on the vehicle equipment. The connections of the positive lines (9) are shape coded. Nut, positive terminal to rear pre-fuse box	*BA54.15-P-1004-01J
8	Disconnect pyrofuse electrical connection (6)	Model 222 with code ME04 (Mild hybrid drive)
9	Unscrew screws/bolts (5) and remove rear pre-fuse box (F33) from bracket
10	Remove rear pre-fuse box (F33) from trunk
11	Install in the reverse order

GROUND POINTS

Number	Designation			Model 222 up to model year 2018	Model 222 as of model year 2018
BA00.19-P-1010-01C	Rear additional battery ground point	W7/6	Nm	10	10

FUSE AND RELAY BOX

Number	Designation			Model 222
BA54.15-P-1004-01J	Nut, positive terminal to rear pre-fuse box	M6	Nm	8
BA54.15-P-1004-01J	Nut, positive terminal to rear pre-fuse box	M8	Nm	16