Disconnect/Connect Ground Line Of Battery Of Secondary 12 V On-Board Electrical System - AR54.10-P-0052S

Model 223 

with code 200 (Conditionally automated driving) 

Model 223 

with code 503 (Remote-controlled parking) 

Courtesy of MERCEDES-BENZ USA

	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
	Risk of injury  caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof.	No parts of the body or limbs should be within the operating area when the components are moving.	AS00.00-Z-0011-01A
Notice	General information on vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system as well as personal protective equipment		AH00.00-Z-0300-01A
	Notes on HANDS-FREE ACCESS		AH80.61-P-0001-01A
	Disconnect, connect
1	Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).
2	Remove right trim in trunk.		AR68.30-P-4800S
		Model 223 with code 200 (Conditionally automated driving) except code Z07 (B7 armoring on special protection version) Model 223 with code 503 (Remote-controlled parking) except code Z07 (B7 armoring on special protection version)
3	Loosen nut (2) and remove ground line (1) from I negative pole of secondary 12 V on-board electrical system auxiliary battery (G1/21).	Nut, charging cable to negative terminal/positive terminal of emergency start battery	*BA54.10-P-1009-01N
4	Connect in reverse order.