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