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Home >> Mercedes Benz >> 2019 >> GLS450 >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System, Equipment & Instruments - 166 Chassis 4 Of 8 >> Testing & Repair >> Check Condition Of Battery - AR54.10-P-1129GZ

Check Condition Of Battery - AR54.10-P-1129GZ

Model 164, 166, 292 

MODIFICATION NOTES

14.06.2017 Condition extended Operation step 3  
10.05.2019 Battery capacity 70 Ah VRLA/AGM   BE54.10-P-1010-01A
DANGER Risk of fire  /risk of explosion due to short circuit and escaping oxyhydrogen gas. Risk of (burn) injury caused by caustic burns to eyes, skin and mucous membranes from battery electrolyte/mist, short circuit and arcing. Risk of poisoning caused by swallowing battery electrolyte or absorption of lead through the skin or body orifices. Risk of death due to voltage U >= 30 V AC and U >= 60 V DC. No fires, sparks, open flames, or smoking. Wear acid-resistant gloves, clothing, and glasses. Pour battery acid only into suitable and appropriately marked containers. AS54.10-Z-0001-01A 
Notes on battery   AH54.10-P-0001-01A
INSPECT Check     
1 Perform visual inspection for external leakage In the event of leakage

replace on-board electrical system battery.
AR54.10-P-0005GZ 
2 Check on-board electrical system battery Cold cranking amps as per EN AR54.10-P-1129-01A 
Battery capacity 70 Ah VRLA/AGM *BE54.10-P-1010-01A 
Battery capacity 95 Ah VRLA *BE54.10-P-1015-01A 
SPECIAL TOOL Battery testing device Fig 2
3 Reduce increased voltage after charging process For an on-board electrical system battery that is disconnected from the on-board electrical system, and shows the message "Surface voltage detected" or test voltage greater than 12.8V in the display of the Midtronics battery/test equipment.  
IMPORTANT After reducing increased battery voltage, test battery again. AR54.10-P-1129-03A 
SPECIAL TOOL Load tester Fig 1
4 Charge on-board electrical system battery If test code "Charge and test" is shown on the Midtronics battery tester and analysis device MCR 717.  
IMPORTANT Check the on-board electrical system battery again after charging. AR54.10-P-1130GZ 
TEST AND ADJUSTMENT VALUES FOR BATTERY

Number Designation Model all (4xWD, CAR, smart)
BE54.10-P-1010-01A Battery capacity 70 Ah VRLA/AGM Cold cranking amps As per EN A 720
TEST AND ADJUSTMENT VALUES FOR BATTERY

Number Designation Model all (4xWD, CAR, smart)
BE54.10-P-1015-01A Battery capacity 95 Ah VRLA Cold cranking amps As per EN A 850
Fig 1: Identifying Load Tester (000 588 03 19 00)
G09975130Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Battery Testing Device (000 588 02 19 00)
G09977050Courtesy of MERCEDES-BENZ USA