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

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MODEL 207, 212 with CODE B03 (ECO start/stop function) 

MODEL 218 with CODE B03 (ECO start/stop function) without CODE 4U7 (Start/stop voltage dip protector) 

Shown on model 212.0 

Fig 1: Checking Additional Battery Condition
G09976918Courtesy of MERCEDES-BENZ USA
DANGER 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
DANGER Risk of injury  caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof. No parts of the body or limbs should be within the operating area when the components are moving. AS00.00-Z-0011-01A
NOTES Notes on battery   AH54.10-P-0001-01A
IMPORTANT Notes on AGM battery   AH54.10-P-0002-01A
IMPORTANT Notes on sensor system for trunk lid opening/closing   AH80.61-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Expose additional battery for ECO start/stop function (G1/13) in trunk or load compartment MODEL 207
with CODE B03 (ECO start/stop function)
AR54.10-P-0007EC
MODEL 212
with CODE B03 (ECO start/stop function)
MODEL 218
with CODE B03 (ECO start/stop function)
without CODE 4U7 (Start/stop voltage dip protector)
AR54.10-P-0007ES
INSPECT 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).
 
MODEL 207
with CODE B03 (ECO start/stop function)
AR54.10-P-0007EC
MODEL 212
with CODE B03 (ECO start/stop function)
MODEL 218
with CODE B03 (ECO start/stop function)
without CODE 4U7 (Start/stop voltage dip protector)
AR54.10-P-0007ES
3 Check additional battery for ECO start/stop function (G1/13)   AR54.10-P-1129-01A 
MODEL 207
with CODE B03 (ECO start/stop function)
MODEL 212
with CODE 803 (Model year 2013)
with CODE B03 (ECO start/stop function)
*BE54.10-P-1001-01A 
MODEL 212
with CODE B03 (ECO start/stop function)
without CODE 803 (Model year 2003)
MODEL 218
with CODE B03 (ECO start/stop function)
without CODE 4U7 (Start/stop voltage dip protector)
Battery tester
*BE54.10-P-1017-01A 
4 Charge additional battery for ECO start/stop function (G1/13) directly at the battery terminals If the display of the battery tester/test equipment shows "Charge and test".
Battery tester
 
5 Check additional battery for ECO start/stop function (G1/13) again If the display of the battery tester/test equipment shows "Charge and test". Battery tester  
6 Install in the reverse order    
TEST AND ADJUSTMENT VALUES FOR BATTERY

Number Designation MODEL ALL
BE54.10-P-1001-01A Battery capacity 12 Ah Cold cranking amps As per EN A 170
TEST AND ADJUSTMENT VALUES FOR BATTERY

Number Designation MODEL ALL
BE54.10-P-1017-01A Battery capacity 12 Ah Cold cranking amps As per EN A 200