Remove/Install Starter Front-End Relay - AR54.10-P-0015LW

Model 205 

Model 213 

Model 238 

Model 253 (except 253.992/993) 

Fig 1: Starter Front-End Relay Components Location - Model 253 (Except 253.992/993)

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
Notice	Notes on battery		AH54.10-P-0001-01A
Notice	Notes on safety-relevant components		AH00.00-Z-0019-01A
	Remove/install
1	Detach ground line of on-board electrical system battery	Model 205, 213, 253 (except 253.992/993)	AR54.10-P-0003LW
		Model 238	AR54.10-P-0003LWO
2	Remove cover (2)
3	Release battery clamp (6)	To avoid damage to the on-board electrical system battery and the front-end relay (1).
		Starter series relay to positive terminal	*BA54.10-P-1010-01A
4	Remove electrical lines (4, 5) from front-end relay (1) and place to one side
Notice	Notes on self-locking nuts and bolts	When Unscrewing and tightening the nuts, the front-end relay (1) must make contact with the battery housing.	AH00.00-P-0001-01KOA
		Nut, positive line/starter wiring harness to starter series relay	*BA54.10-P-1009-01A
5	Remove front-end relay (1) and disconnect electrical connector (3)	The battery clamp (6) and front-end relay (1) are a single component, and they cannot be replaced individually.
6	Install in the reverse order