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Check condition of battery - AR54.10-P-1129RK

MODEL 231 

Fig 1: On-Board Electrical System Battery
G11128939DANGERDANGERNOTESIMPORTANTIMPORTANTREMOVINGINSPECTIMPORTANTREFER TO SPECIAL TOOLSREFER TO SPECIAL TOOLSIMPORTANTIMPORTANTINSTALLINGCourtesy of MERCEDES-BENZ USA
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
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
NOTES Notes on battery   AH54.10-P-0001-01A
IMPORTANT Notes on sensor system for trunk lid opening/closing   AH80.61-P-0001-01A
IMPORTANT Notes on AGM battery   AH54.10-P-0002-01A
REMOVING Remove     
1 Open luggage compartment lid    
2 Remove luggage compartment paneling    
3 Remove spare tire well panel    
INSPECT Check     
4 Visually inspect on-board electrical system battery (G1) for external leakage IMPORTANT If leaks are found, replace the on-board electrical system battery (G1).

Remove/install battery
AR54.10-P-0005RK 
5 Check on-board electrical system battery (G1) 000 588 02 19 00 Battery tester   AR54.10-P-1129-01A
REFER TO SPECIAL TOOLS     WS54.00-N-3006B 
    Battery capacity 95 Ah VRLA *BE54.10-P-1015-01A 
6 Reduce increased voltage after charging process With an on-board electrical system battery (G1) which has been disconnected from the on-board electrical system. If the "Surface voltage detected" message is shown in the display of the Midtronics battery tester and test equipment. AR54.10-P-1129-03A
REFER TO SPECIAL TOOLS 000 588 03 19 00 Load tester IMPORTANT Check the on-board electrical system battery (G1) again after the increased voltage is reduced. WS15.00-P-0027B
7 Charge on-board electrical system battery (G1) With the test code "Charge and check" on the Midtronics battery tester and test equipment.
IMPORTANT Check the on-board electrical system battery (G1) again after charging.
AR54.10-P-1130RK 
INSTALLING Install     
8 Install panel for spare wheel well    
9 Install trunk floor trim panel    
10 Close trunk lid    
TEST AND ADJUSTMENT VALUES FOR BATTERY

Number Designation Model all
BE54.10-P-1015-01A Battery capacity 95 Ah VRLA Cold cranking amps As per EN A 850