Check condition of battery

AR54.10-P-1129I

20.01.2020

Model	215, 220, 230
	except code P99 (Special model "AMG Black Series")

Modification notes

10.05.2019

Battery capacity 70 Ah VRLA/AGM

BE54.10-P-1010-01A

	Remove
 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
Topical note	Notes on battery		AH54.10-P-0001-01A
1	Unhook load compartment cover in trunk	Model 230 for checking on-board electrical system battery.
2	Remove spare tire cover	For checking on-board electrical system battery.
3	Open engine hood and move to vertical position	Model 230 for checking starter battery.	AR88.40-P-1000R
	Check
4	Perform visual inspection of battery for external leakage	 If leakage found, install new battery, see:
		 Dispose of defective battery properly and in an environmentally compatible manner.

		
		Remove/install battery
		MODEL 215, 220	AR54.10-P-0005I
		Model 230 on-board electrical system battery	AR54.10-P-0005RA
		Model 230 starter battery	AR54.10-P-0005RB
5.1	Check fluid level in battery, replenish with distilled water if necessary	Without service fill level indicator, not on absorbent glass mat battery.
5.2	Check fluid level of battery	With service fill level indicator, not on absorbent glass mat battery.
		 Fluid level indicator via service fill level indicator, if color is white, the acid level is too low: Replace battery, see:
		 Dispose of defective battery properly and in an environmentally compatible manner.

		
		Remove/install battery
		MODEL 215, 220	AR54.10-P-0005I
		Model 230 on-board electrical system battery	AR54.10-P-0005RA
6	Check battery		AR54.10-P-1129-01A
		 Cold cranking amps as per EN
		 Commercially available devices/tools Midtronics battery tester/test equipment
		Battery capacity 12 Ah	*BE54.10-P-1001-01A
		Battery capacity 30 Ah	*BE54.10-P-1002-01A
		Battery capacity 35 Ah	*BE54.10-P-1003-01A
		Battery capacity 46 Ah	*BE54.10-P-1005-01A
		Battery capacity 60 Ah VRLA/AGM	*BE54.10-P-1006-01A
		Battery capacity 60 Ah	*BE54.10-P-1007-01A
		Battery capacity 62 Ah	*BE54.10-P-1009-01A
		Battery capacity 70 Ah VRLA/AGM	*BE54.10-P-1010-01A
		Battery capacity 74 Ah	*BE54.10-P-1011-01A
		Battery capacity 80 Ah VRLA/AGM	*BE54.10-P-1012-01A
		Battery capacity 84 Ah	*BE54.10-P-1013-01A
		Battery capacity 90 Ah VRLA	*BE54.10-P-1014-01A
		Battery capacity 95 Ah VRLA	*BE54.10-P-1015-01A
		Battery capacity 100 Ah	*BE54.10-P-1016-01A
7	Reduce increased voltage after charging process	On a battery that is disconnected from the on-board electrical system and with a "Surface voltage" message in the display of the Midtronics battery tester/test equipment.
			AR54.10-P-1129-03A
		 After reducing increased voltage, test battery again.
		 Commercially available devices/tools Midtronics battery tester/test equipment
8	Charge battery	With test code "Charge and check" of Midtronics battery tester/test equipment.
			AR54.10-P-1130I
		 After charging, test battery again.
		 Commercially available devices/tools Midtronics battery tester/test equipment
	Install
9	Close engine hood	Model 230 after checking starter battery.	AR88.40-P-1000R
10	Install spare tire cover	After checking the on-board electrical system battery.
11	Hook in trunk load compartment cover	Model 230 after checking on-board electrical system battery.