Check condition of additional battery - AR54.10-P-1128SX

Model 216, 221 with code B03 (ECO start/stop function) 

Fig 1: Identifying ECO Start/Stop Function Additional Battery - Shown On Model 216

Courtesy of MERCEDES-BENZ USA

Shown on model 216 

	Remove
	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	Remove center paneling (1) in trunk	Remove paneling in trunk	AR68.30-P-4600SX
	Check
2	Visually inspect additional battery for ECO start/stop function (G1/13) for signs of external leaks	In event of leakage to additional battery for ECO start/stop function (G1/13). ↓ Replace additional battery for ECO start/stop function (G1/13).
			AR54.10-P-0007SXS
3	Check additional battery for ECO start/stop function (G1/13)		AR54.10-P-1129-01A
	000 588 02 19 00 Battery tester		WS54.00-N-3006B
		Battery capacity 12 Ah	*BE54.10-P-1001-01A
4	Charge and check additional battery for ECO start/stop function (G1/13)	When "Charge and check" is shown on the Midtronics battery tester display. Charge additional battery for ECO start/stop function (G1/13) directly at the battery terminals and check again after charging.
	Install
5	Install center paneling (1) in luggage compartment	Remove paneling in trunk	AR68.30-P-4600SX