Remove/Install Additional Battery - AR54.10-P-0007GQX

MODEL 166.8 with CODE B03 (ECO start/stop function) 

Fig 1: Identifying Additional Battery Remove/Install Components - Shown On Model 166.873

Courtesy of MERCEDES-BENZ USA

Shown on model 166.873 

	Remove/install
	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
	Notes on AGM battery		AH54.10-P-0002-01A
1	Detach ground line from on-board electrical system battery		AR54.10-P-0003GZ
2	Remove spare tire well panel		AR68.30-P-4620GQ
3	Remove bolt (1m) and detach ground line from additional battery for ECO start/stop function (G1/13)	Screw/bolt, battery cable to battery terminal on additional battery	*BA54.10-P-1013-01C
4	Remove bolt (1p) and detach positive line from additional battery for ECO start/stop function (G1/13)	Screw/bolt, battery cable to battery terminal on additional battery	*BA54.10-P-1013-01C
5	Detach bleed hose (2) from additional battery for ECO start/stop function (G1/13)
6	Remove bolt (3s) and remove bracket (3)
7	Unscrew bolts (4s) by several threads
8	Unscrew nuts (5m)
9	Lift rail (4) and place bracket (5) with additional battery for ECO start/stop function (G1/13) into spare wheel well
10	Remove additional battery for ECO start/stop function (G1/13) from bracket (5)
11	Install in the reverse order