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 Component Location - Model 213

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
	Notes on battery		AH54.10-P-0001-01A
	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 Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
		When unscrewing and tightening the nuts, the front-end relay (1) must make contact with the battery housing. 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