Remove/install starter front-end relay - AR54.10-P-0015NKB

MODEL 117, 156, 176, 246 with CODE 4U7 (Start/stop voltage dip protector) 

MODEL 242 with ENGINE 270 with CODE 4U7 (Start/stop voltage dip protector) 

Fig 1: Identifying Starter Front-End Relay Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	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
	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
	Notes on battery		AH54.10-P-0001-01A
	Notes for 12-V lithium-ion battery		AH54.10-P-0004-01A
	Remove/install
1	Disconnect ground line (1) from on-board electrical system battery (G1)		AR54.10-P-0003NKB
2	Remove cover (2)
3	Release and disconnect electrical connection (3)
4	Unscrew nut (4), remove lines and place to one side	Nut, positive line/starter wiring harness to starter series relay	*BA54.10-P-1009-01I
5	Unscrew nut (5), remove line and place to one side	Nut, positive line/starter wiring harness to starter series relay	*BA54.10-P-1009-01I
6	Detach battery clamp (6) from on-board electrical system battery (G1) and remove starter series relay (K92)	The battery clamp (6) and starter series relay (K92) are a single component and they cannot be replaced individually.
		Starter series relay to positive terminal	*BA54.10-P-1010-01I
7	Install in the reverse order