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Remove/install battery sensor - AR54.10-P-0002W

MODEL 172 

Fig 1: Identifying Battery Sensor Remove/Install Components
G10248277Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
DANGER 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 Notes on battery   AH54.10-P-0001-01A
IMPORTANT Notes on AGM battery   AH54.10-P-0002-01A
1 Disconnect ground line (1) from the on-board electrical system battery (G1)   AR54.10-P-0003W 
2 Disconnect electrical connector (2) from battery sensor (B95)    
3 Detach ground line (1) on ground point on right front of battery (W10) IMPORTANT Counterhold pin on ground point on right front of battery (W10).  
TORQUE SPECIFICATION *BA54.10-P-1028-01C 
4 Install in the reverse order    
BATTERY

Number Designation Model 172
BA54.10-P-1028-01C Bolt/nut, ground line of battery to body M8 Nm 16