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

MODEL 216.3 as of 2.6.08 

MODEL 216.3 with CODE (809) Model year 2009 

MODEL 221.0/1 as of 2.6.08 

MODEL 221.0/1 with CODE (809) Model year 2009 

Shown on model 221 

Fig 1: Identifying On-Board Electrical System Battery - Shown On Model 221
G10111138Courtesy of MERCEDES-BENZ USA

Model 221.1 as of 2.6.08 with code (Z07) Top protection 

Fig 2: Identifying Starter Battery - Shown On Model 221.1
G10111139Courtesy of MERCEDES-BENZ USA
REMOVING Removing     
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 Remove center paneling in trunk or implement carrier plate Model 221.1 with code (Z07) Top protection and model 221.095/195  
Model 221.1 with code (Z07) Top protection Used to test starter battery (G1/4) AR68.30-P-4600SXS
Model 221.095/195 for checking the on-board electrical system battery (G1)
IMPORTANT Remove trim parts depending on the vehicle equipment until the starter battery (G1/4) or on-board electrical system battery (G1) can be checked.		 AR68.30-P-4600SX
INSPECT Checking     
2 Inspect on-board electrical system battery (G1) for external leakage IMPORTANT In the event of leakage, replace on-board electrical system battery (G1): ↓  
Except model 221.095/195 AR54.10-P-0009SY 
Model 221.095/195 AR54.10-P-0009SXH 
3 Inspect starter battery (G1/4) for external leakage Model 221.1 with code (Z07) Top protection
IMPORTANT In the event of leaks, replace starter battery (G1/4): ↓		  
Remove/install starter battery (G1/4). AR54.10-P-0008SXS 
4 Test on-board electrical system battery (G1) and/or starter battery (G1/4)   AR54.10-P-1129-01A
Cold test current  
Battery capacity 35 Ah *BE54.10-P-1003-01A 
Battery capacity 60 Ah VRLA *BE54.10-P-1006-01A 
Battery capacity 70 Ah VRLA *BE54.10-P-1010-01A 
Battery capacity 80 Ah VRLA *BE54.10-P-1012-01A 
Battery capacity 90 Ah VRLA *BE54.10-P-1014-01A 
Battery capacity 95 Ah VRLA *BE54.10-P-1015-01A 
Battery capacity 100 Ah
Battery test/test equipment		 *BE54.10-P-1016-01A 
5 Reduce increased voltage after charging process using volt-amp(s) tester On starter battery (G1/4) or on-board electrical system battery (G1) that is disconnected from the on-board electrical system and where the message "Surface voltage" appears in the display of the Midtronics battery tester.
Battery tester
IMPORTANT After reducing increased voltage, retest starter battery (G1/4) and/or on-board electrical system battery (G1).		 AR54.10-P-1129-03A
6 Charge starter battery (G1/4) and/or on-board electrical system battery (G1) With the test code "Charge and check" on the Midtronics battery tester.
IMPORTANT Check starter battery (G1/4) or on-board electrical system battery (G1) again after charging.		 AR54.10-P-1130SY
INSTALLING Install     
7 Remove center paneling in trunk or implement carrier plate Model 221.1 with code (Z07) Top protection and model 221.095/195  
Model 221.1 with code (Z07) Top protection Used to test starter battery (G1/4) AR68.30-P-4600SXS
Model 221.095/195 for checking the on-board electrical system battery (G1)
IMPORTANT Remove trim parts depending on the vehicle equipment until the starter battery (G1/4) or on-board electrical system battery (G1) can be checked.		 AR68.30-P-4600SX
TEST AND ADJUSTMENT VALUES FOR BATTERY

Number Designation All models
BE54.10-P-1003-01A Battery capacity 35 Ah Battery test at 20°C Acid density kg/dm3 ≥1, 24
Maximum permissible difference between individual battery cells kg/dm3 0, 04
Load current A 100
Load time s 10
Voltage VV ≈10
Cold test current as per EN A 520
BE54.10-P-1006-01A Battery capacity 60 Ah VRLA Cold test current as per EN A 680
BE54.10-P-1010-01A Battery capacity 70 Ah VRLA Cold test current as per EN A 760
BE54.10-P-1012-01A Battery capacity 80 Ah VRLA Cold test current as per EN A 800
BE54.10-P-1014-01A Battery capacity 90 Ah VRLA Cold test current as per EN A 950
BE54.10-P-1015-01A Battery capacity 95 Ah VRLA Cold test current as per EN A 850
BE54.10-P-1016-01A Battery capacity 100 Ah Battery test at 20°C Acid density kg/dm3 ≥1, 24
Maximum permissible difference between individual battery cells kg/dm3 0, 04
Load current A 300
Load time s 10
Voltage VV ≈10
Cold test current as per EN A 760
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