Batteries - Checking And Correcting Fluid Level - AP54.10-P-5410G

Model 460, 461 

Vehicles with fluid battery 

Model 463 

up to Model year 2019 

Vehicles with fluid battery 

Shown on Model 463 up to December 2000 

Courtesy of MERCEDES-BENZ USA

Shown on Model 461.302 

Courtesy of MERCEDES-BENZ USA

Shown on Model 463 as of December 2000 

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

	Check
	Risk of explosion  from explosive gas. Risk of poisoning and caustic burns  from swallowing battery electrolyte. Risk of injury  through burns to skin and eyes from battery acid or when handling damaged lead-acid batteries	No fires, 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
1	Remove stop plugs of battery cells	On batteries without minimum/maximum fluid level marking (arrow). Except with maintenance free battery.
2	Check fluid level of battery and correct if necessary	Except with maintenance free battery. If the fluid level is not visible from outside, unscrew the stop plugs of the battery cells and reinstall them after checking. The fluid must be approx. 12 to 15 mm above the plates, or must reach the visible "MAX" marking.