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Home >> Mercedes Benz >> 2015 >> C300 Base >> Repair and Diagnosis >> Electrical >> Body Electrical >> Electrical System, Equipment & Instruments - 205 Chassis (4D Sedan) - 2 Of 4 >> Testing & Repair >> Remove/install battery >> Remove/install battery - AR54.10-P-0005LW

Remove/install battery - AR54.10-P-0005LW

Model 205 (except 205.08/28/38) except code ME04 (Mild hybrid drive) except code ME06 (Hybrid drive 50-KW variant (incl. plugin)) 

Model 253 

Fig 1: Identifying Battery Remove/Install Components - Shown On Model 205
G10133742Courtesy of MERCEDES-BENZ USA

Shown on model 205 except code P25 (BlueEFFICIENCY Edition) and except code U98 (LITHIUM-ION STARTER BATTERY (LISB)) 

Fig 2: Identifying Battery Remove/Install Components - Shown On Model 205
G10133743Courtesy of MERCEDES-BENZ USA

Shown on model 205 except code P25 (BlueEFFICIENCY Edition) and except code U98 (LITHIUM-ION STARTER BATTERY (LISB)) 

DANGER Risk of injury  caused by contact with battery gel when handling damaged lead-gelbatteries No fires, sparks, open flames or smoking. Wear acid-resistant gloves, clothing and glasses. AS54.10-Z-0001-02A
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 caustic burns to eyes, skin and mucous membranes from battery electrolyte or due to short circuit. Risk of burn injuries  due to thermal changes. Risk of poisoning  from swallowing battery electrolyte. Wear protective gloves, protective clothing and safety glasses. In the event of escaping battery electrolyte, battery vapors, battery mist, smoke or heat development, secure the area, leave it and alert the fire department. AS54.10-Z-0001-04A
NOTES Notes for 12-V lithium-ion battery   AH54.10-P-0004-01A
NOTES Notes on battery   AH54.10-P-0001-01A
IMPORTANT Notes on AGM battery   AH54.10-P-0002-01A
REMOVINGINSTALLING Remove/install     
1 Print out checklist for transport safety of 12 V lithium-ion battery and fill out Model 205 (except 205.08/28/38)
with code P25 (BlueEFFICIENCY Edition) except code ME04 (Mild hybrid drive) except code ME06 (Hybrid drive 50-KW variant (incl. plugin))
Model 205 (except 205.08/28/38) with code U98 (LITHIUM-IONEN-STARTERBATTERIE (LISB))
except code ME04 (Mild hybrid drive)
except code ME06 (Hybrid drive 50-KW variant (incl. plugin))
 
REFER TO FORMS Transport safety checklist for starter battery, form OF54.10-P-3000-13A
2 Remove cover (1)    
3 Disconnect ground line (2) from on-board electrical system battery (G1)   AR54.10-P-0003LW 
4 Unscrew bolt (3) far enough (approx. 10 turns) until the mounting rail (4) can be folded away from the on-board electrical system battery (G1) IMPORTANT If the bolt (3) for the mounting rail (4) is removed, position the bolt (3) again when the on-board electrical system battery (G1) is removed.  
TORQUE SPECIFICATION Screw/bolt, battery mounting rail to battery frame *BA54.10-P-1001-01A 
5.1 Disconnect vent hose (5) from on-board electrical system battery (G1) Model 205 (except 205.08/28/38)
except code ME04 (Mild hybrid drive)
except code ME06 (Hybrid drive 50-KW variant (incl. plugin))
except code P25 (BlueEFFICIENCY Edition)
except code U98 (LITHIUM-IONEN-STARTERBATTERIE (LISB))
Model 253
INSTALLATION NOTES
Check bleed hose (5) is correctly seated.
Otherwise leaking battery vapor may damage the vehicle.
 
5.2 Disconnect electrical connection on-board electrical system battery (G1) Model 205 (except 205.08/28/38)
with code P25 (BlueEFFICIENCY Edition)
except code ME04 (Mild hybrid drive)
except code ME06 (Hybrid drive 50-KW variant (incl. plugin))
Model 205 (except 205.08/28/38) with code U98 (LITHIUM-IONEN-STARTERBATTERIE (LISB))
except code ME04 (Mild hybrid drive)
except code ME06 (Hybrid drive 50-KW variant (incl. plugin))
IMPORTANT The electrical connection is located next to the ground line (2).
 
6 Remove cover (6)    
7 Detach positive line (7) from on-board electrical system battery (G1) TORQUE SPECIFICATION Nut, electrical line to negative terminal/positive terminal for on-board electrical system battery *BA54.10-P-1004-01A 
8 Remove on-board electrical system battery (G1)    
9 Install in the reverse order    
10 Confirm battery change in front SAM control unit in "Actuations" menu item Model 205 (except 205.08/28/38)
except code ME04 (Mild hybrid drive)
except code ME06 (Hybrid drive 50-KW variant (incl. plugin))
except code U98 (LITHIUM-IONEN-STARTERBATTERIE (LISB))
Model 253
When replacing the on-board electrical system battery (G1).
 
REFER TO SELF-DIAGNOSTIC SYSTEMS Model 205 (except 205.08/28/38)
except code ME04 (Mild hybrid drive)
except code ME06 (Hybrid drive 50-KW variant (incl. plugin))
except code U98 (LITHIUM-IONEN-STARTERBATTERIE (LISB))
AD00.00-P-2000-04B
BATTERY

Number Designation Model 205 Model 253
BA54.10-P-1001-01A Screw/bolt, battery mounting rail to battery frame Nm 23 23
BATTERY

Number Designation Model 205 Model 253
BA54.10-P-1004-01A Nut, electrical line to negative terminal/positive terminal for on-board electrical system battery Nm 6 6