Disconnect/Connect Battery Ground Line - AR54.10-P-0003GZ

MODEL 164, 166 

Shown on model 164 

Fig 1: Identifying Battery Ground Line Components - Shown On Model 164

Courtesy of MERCEDES-BENZ USA

MODIFICATION NOTES

9.11.11	Check voltage on on-board electrical system with test lamp, added	Model 166, operation step 5
	Adjust outside mirror, added	Model 166, operation step 8

	Remove/install
	Risk of explosion  caused by escaping oxyhydrogen gas. Risk of injury  caused by caustic burns to eyes, skin and mucous membranes from battery electrolyte (contains diluted sulfuric acid) or metal spatter due to short circuit. Risk of burn  injuries caused by short circuit. Risk of poisoning  caused by swallowing battery electrolyte (contains diluted sulfuric acid) or absorption of lead over the skin or orifices	No fire, sparks, open flames or smoking. Wear acid-resistant gloves and clothing and safety glasses with side guards. Do not place any conductive objects on the battery and avoid any short circuit from battery positive to ground. Only fill liquid battery electrolyte (diluted sulfuric acid) into suitable and appropriately marked containers.	AS54.10-Z-0001-01A
	Notes on battery	All models	AH54.10-P-0001-01A
	Notes on AGM battery		AH54.10-P-0002-01A
1	Adjust position of front passenger seat (1)	Move front passenger seat (1) into foremost and uppermost position and set backrest to vertical position.
2	Switch off all electrical consumers, switch off ignition and remove transmitter key or KEYLESS-GO start-stop button from electronic ignition lock control unit	All electrical consumers must be switched off. Otherwise they may be damaged when the ground line (4) is connected/disconnected. KEYLESS-GO start/stop button only with code (889) Keyless-Go present.
3	Remove cover (2)	Assembly wedge	Fig 2
4	Loosen nut (3) on battery negative pole clamp and disconnect ground line (4) of battery (G1)	Ensure that no jumper start device is connected to vehicle.
			*BA54.10-P-1012-01C
5	Using a diode test lamp, check the on-board electrical system for voltage between the positive line of the battery (G1) and the disconnected ground line (4)	Model 166 with code (B03) ECO Start Stop function If the diode test lamp lights up, the on-board electrical system is still active because of a defect in the electrical system. In this case the ground line of the additional battery should be disconnected: ↓
		Remove/install additional battery. Cover positive lines. Risk of short  circuit! After completing the operation steps to be performed, rectify the defect on the electrical system.	AR54.10-P-0007GQA
6	Install in the reverse order
7.1	Perform basic programming	Model 164	AR00.19-P-0200GZ
7.2	Reset clock	Model 166 with code (510) Audio 20 incl. CD changer or with code (523) MB Audio 20 radio
8	Adjust outside mirror	Model 166 with code (500b) Left/right folding outside mirrors

BATTERY

Number	Designation			Model 164	Model 166
BA54.10-P-1012-01C	Nut, battery cable to battery terminal	M6	Nm	6	6

Fig 2: Identifying Mounting Wedge (110 589 03 5900)

Courtesy of MERCEDES-BENZ USA