(Remove/Install Front Prefuse Box - AR54.15-P-1330GQ)

Model 166 up to model year 2016 

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

Shown on vehicle without code B03 (ECO start/stop function) 

	Remove/install
1	Disconnect ground line from battery		AR54.10-P-0003GZ
2	Remove cover (2) of air intake
3	Unclip and remove cover from engine compartment prefuse box (F32/3)
4	Detach electrical line (4) from engine compartment prefuse box (F32/3)	The connection of the electrical line (4) is shape-coded. Nut, circuit 30 in prefuse box	*BA54.10-P-1002-01C
5	Detach electrical line (5) from engine compartment prefuse box (F32/3)	The connection of the electrical line (5) is shape-coded. Nut, fuse in prefuse box	*BA54.10-P-1001-01C
6	Disconnect electrical connection (6)
7	Unclip and remove cover (7a)
8	Detach electrical lines (7) from engine compartment prefuse box (F32/3)	The connections of the electrical lines (7) are shape-coded.
9	Unlock retainer (10) and detach electrical connection (11) from engine compartment prefuse box (F32/3)
10	Detach engine compartment prefuse box (F32/3) from body	Check engine compartment prefuse box (F32/3) is correctly seated on body.
11	Unclip electrical line (8) from engine compartment prefuse box (F32/3) and place to one side
12	Detach electrical line (9) from engine compartment prefuse box (F32/3)	The number of electrical lines (9) varies depending on the vehicle equipment. Installation: The connections of the electrical line (9) are shape-coded.
13	Remove engine compartment prefuse box (F32/3)
14	Install in the reverse order