Remove/install starter - AR15.30-P-7100CW

ENGINE 271 in MODEL 172, 204, 207, 212 

Shown: model 204.045 

Fig 1: Identifying Starter Remove/Install Components - Shown On Model 204.045

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Risk of death  caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by vehicle manufacturer.	AS00.00-Z-0010-01A
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
1	Detach ground line from battery	ENGINE 271 in MODEL 204	AR54.10-P-0003CW
	Notes on battery		AH54.10-P-0001-01A
		ENGINE 271 in MODEL 207, 212	AR54.10-P-0003EW
		ENGINE 271 in MODEL 172	AR54.10-P-0003W
2	Remove engine compartment paneling	ENGINE 271 in MODEL 204, 207, 212	AR61.20-P-1105EW
		ENGINE 271 in MODEL 172	AR61.20-P-1105W
3	Remove screw/bolt (3) from bracket on oil pan	ENGINE 271.9 in MODEL 204, 212
		Bolt, bracket of O2sensor connector upstream of catalytic converter to oil pan	*BA01.45-P-1005-01H
4.1	Remove steering coupling	ENGINE 271 in MODEL 172, 204, 207, 212 with CODE B03 (ECO start/stop function)
		ENGINE 271 in MODEL 204, 207 with CODE B03 (ECO start/stop function)	AR46.10-P-8000CW
		ENGINE 271 in MODEL 212 with CODE B03 (ECO start/stop function)	AR46.10-P-8000EW
		ENGINE 271 in MODEL 172 with CODE B03 (ECO start/stop function)	AR46.10-P-8000V
4.2	Detach steering coupling from the lower steering shaft	Model 212.041 with code 924 (Bivalent natural gas drive)
		ENGINE 271 in MODEL 212	AR46.10-P-8000EW
5.1	Unclip electrical line on cable bracket (2)	ENGINE 271.9 in MODEL 204, 212
5.2	Detach air hose from electric air pump	ENGINE 271.8 in MODEL 172, 204, 207, 212
			AR14.30-P-7251EVO
6	Detach electrical lines at electrical connection for terminal 50 (4) and electrical connection for terminal 30 (5)	Nut, connection for circuit 30	*BA15.30-P-1001-01A
		Nut, connection for circuit 50	*BA15.30-P-1002-01A
7	Unclip coolant hoses for preheating of gas pressure regulator on transmission bell housing bracket	ENGINE 271 in MODEL 212.041 with CODE 924 (Bivalent natural gas drive)
8	Remove screw/bolts (1) and remove starter (M1) from bottom	Bolt, starter to cylinder crankcase	*BA15.30-P-1003-01A
	Check
9	Check starter ring gear for wear and damage	When replacing the starter (M1) Rotate engine at center bolt of the crankshaft in the direction of engine rotation.
		Socket wrench bit	Fig 2
10	Install in the reverse order

Fig 2: Identifying Socket Wrench Bit (001 589 65 09 00)

Courtesy of MERCEDES-BENZ USA