Remove/install fuse and relay box in engine compartment, right front - AR54.15-P-1258GZA

MODEL 164 with ENGINE 156, 272, 273, 642, 629 

Fig 1: Identifying Fuse And Relay Box Remove/Install Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Shown on model 164.1 with engine 642 

	Remove/install
	Risk of explosion  caused by oxyhydrogen gas. Risk of poisoning and caustic burns  caused by swallowing battery acid. Risk of injury  caused by burns to skin and eyes from battery acid or when handling damaged lead-acid batteries	No fire, sparks, open flames or smoking. Wear acid-resistant gloves, clothing and safety glasses. Only pour battery acid into suitable and appropriately marked containers.	AS54.10-Z-0001-01A
1	Disconnect battery ground cable		AR54.10-P-0003GZ
2	Detach lock (1) and remove the cover of the fuse and relay box (2)	Two locks in model 164 with engine 629.
3	Detach electrical line (positive line) (3)	If necessary, remove the electrical line (positive line) (3) together with the cable passages from the housing and place to one side.
			*BA54.15-P-1001-01D
4	Detach fuse and relay box (4) from housing for fuse and relay box (4)	Detach from fixings (arrows).
5	Turn over the fuse and relay box (4) and separate the electrical connectors	The number of electrical connectors may vary depending on the vehicle model and equipment.
6.1	Remove components from fuse and relay box (4)	Only when installing a new fuse and relay box (4). Note component set before removal. Installation:  Fit components in the fuse and relay box (4) according to the equipment fitted in the vehicle; see: ↓
		Fuse assignment of fuse and relay box in right engine compartment	GF54.15-P-1256-02GZ
7	Install in the reverse order
8	Perform basic programming		AR00.19-P-0200GZ

FUSE BOX

Number	Designation		Model 164.1/8
BA54.15-P-1001-01D	Nut, electrical line (positive line) to fuse and relay box	Nm	12