Remove/install differential lock switch - AR54.25-P-1080GM

MODEL 463.202/222/236/237/243/244/245/246/247/248/249/250/254/270/271/303/306/309/322/323/332/333/336/340/341/346 

Fig 1: Identifying Differential Lock Switch Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	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 glasses. Only pour battery acid into suitable and appropriately marked containers.	AS54.10-Z-0001-01A
1	Disconnect battery ground line	Except model 463.236/248 with code (979) Special protection version	AR54.10-P-0003G
		Model 463.236/248 with code (979) Special protection version, with code (ZS6) Special protection version FB6, with code (E26) Additional battery 100 Ah incl. cutoff relay Model 463.236/248 with code (979) Special protection version, with code (ZS7) Special protection version FB7, with code (E26) Additional battery 100 Ah incl. cutoff relay	AR54.10-P-0003PM
	Notes on battery	All models	AH54.10-P-0001-01A
2	Remove switch group for differential locks (S76)	Unclip at four places (arrow).
			Fig 2
3	Disconnect electrical connector at switch group for differential locks (S76)
4	Install in the reverse order
5	Read out fault memory and erase	STAR DIAGNOSIS Stored faults which can result from cables being disconnected or from simulation during removal and installation or test work, have to be processed and erased in the fault memories after completing the work.
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A

Fig 2: Identifying Mounting Wedge (110 589 03 59 00)

Courtesy of MERCEDES-BENZ USA