Disconnect/connect battery's ground cable - AR54.10-P-0003R

MODEL 230.4

Fig 1: Identifying Ground Cable - Models 230.4

G04715686

	Disconnect, connect
	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
	Notes on battery		AH54.10-P-0001-01A
	Notes on AGM battery		AH54.10-P-0002-01A
1	Switch off all electrical consumers
2.1	Switch TELE AID to Service mode	On vehicles with code (855) TELE AID This prevents discharge of the additional battery and an emergency call signal being sent.
3	Switch off the ignition and remove the transmitter key from the EIS control unit	On vehicles with code (889) Keyless Go, press the Keyless Go start/stop button repeatedly until the ignition is switched off. Remove the Keyless Go transmitter card or transmitter key from the vehicle and store beyond the reach of the transmitter (min. 2 m).
4	Unhook trunk partition
5	Remove spare wheel cover
6	Loosen nut and disconnect ground line (1) from the on-board electrical system battery (G1)
7	Open engine hood and raise to vertical position		AR88.40-P-1000R
8	Slacken nut and disconnect ground cable (2) from starter battery (G1/4)	Before disconnecting the ground line (2) from the starter battery (G1/4) the ground line (1) must be disconnected from the on-board electrical system battery (G1) otherwise the components of the electrical system may become damaged.
9	Connect in the reverse order.	All electrical consumers must be switched off.
10	Perform basic programming		AR00.19-P-0200R
11.1	Read fault memory, erase if necessary	On model 230.4 up to 14.1.04.
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A
		STAR DIAGNOSIS diagnosis system	*WH58.30-Z-1048-13A

COMMERCIALLY AVAILABLE TOOLS

Number	Designation
WH58.30-Z-1048-13A	STAR DIAGNOSIS diagnosis system, Compact Passenger Car	6511 1801 00