Remove/install additional battery - AR54.10-P-0007NKB

MODEL 117, 156, 246 up to model year 2015 with CODE B03 (ECO start/stop function) 

MODEL 176 up to model year 2015 with CODE B03 (ECO start/stop function) 

MODEL 242 with engine 270 up to model year 2015 with CODE B03 (ECO start/stop function) 

Shown on model 246 

Fig 1: Identifying Additional Battery Remove/Install Components - Shown On Model 246

Courtesy of MERCEDES-BENZ USA

	Risk of explosion  from explosive gas. Risk of poisoning and caustic burns  from swallowing battery electrolyte. Risk of injury  through burns to skin and eyes from battery acid or when handling damaged lead-acid batteries	No fires, 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
	Notes on battery		AH54.10-P-0001-01A
	Remove/install
1	Move front passenger seat toward rear
2	Switch off ignition and keep transmitter key at a location beyond transmitter range (at least 2 m)
3	Fold back floor covering (1) in front passenger footwell
4	Release locks (arrows A) and remove cover (3)
5	Release locks (2.1) and remove additional battery cover (2)	On the cover for the additional battery (2) the rear guides (arrows B) must be hooked-in first.
6	Remove bolt (5.1) and remove together with ground line (5) from additional battery for ECO start/stop function (G1/13)	Bolt (5.1) remains on ground line (5).
		Bolt, battery cable to battery terminal on additional battery	*BA54.10-P-1005-01I
7	Using diode test lamp, check on-board electrical system for voltage between positive line (4) of ECO start/stop function additional battery (G113) and the disconnected ground line (5)	If the diode test lamp lights up, the on-board electrical system is still active because of a defect in the electrical system.
8	Detach ground line of on-board electrical system battery	Only when the diode test lamp lights up.
		Model 117, 156, 246 up to model year 2015 with code B03 (ECO start/stop function) Model 176 up to model year 2015 with code B03 (ECO start/stop function) Model 242 with engine 270 up to model year 2015 with code B03 (ECO start/stop function)	AR54.10-P-0003NKB
9	Remove bolt (4.1) and remove together with positive line (4) from additional battery for ECO start/stop function (G1/13)	Bolt (4.1) remains on positive line (4).
		Bolt, battery cable to battery terminal on additional battery	*BA54.10-P-1005-01I
10	Detach bleed hose (6) from additional battery for ECO start/stop function (G1/13) and place to one side	The vent hose (6) must be routed without any kinks in it.
11	Remove ECO start/stop function additional battery (G1/13) from battery box
12	Install in the reverse order