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 With Black And Red Terminal Clamps

Courtesy of MERCEDES-BENZ USA

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

Fig 2: Identifying Starter Battery

Courtesy of MERCEDES-BENZ USA

	Removing
	Risk of explosion  caused by oxyhydrogen gas. Risk of poisoning  and caustic burns caused by swallowing battery acid. Risk of injury  caused by burns to skin and eyes from battery acid or when handling damaged lead-acid batteries	No fire, 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 on battery		AH54.10-P-0001-01A
	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) 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
	Checking
2	Inspect on-board electrical system battery (G1) for external leakage	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 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 test/test equipment	*BE54.10-P-1002-01A
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 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. Check starter battery (G1/4) or on-board electrical system battery (G1) again after charging.	AR54.10-P-1130SY
	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) 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