Remove/install alternator - AR15.40-P-5032MR

ENGINE 274 in MODEL 172, 204 

ENGINE 274 in MODEL 212 except code 924 (Bivalent natural gas drive) 

ENGINE 274 in MODEL 218 

Shown on model 204.331 

Fig 1: Identifying Alternator Remove/Install Components - Shown On Model 204.331

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Detach battery ground line	Engine 274 in model 172	AR54.10-P-0003W
		Engine 274 in model 212 except code 924 (Bivalent natural gas drive) Engine 274 in model 218	AR54.10-P-0003EW
		Engine 274 in model 204	AR54.10-P-0003CW
2	Remove air filter housing	Engine 274 in model 172	AR09.10-P-1150MRE
		Engine 274 in model 212 except code 924 (Bivalent natural gas drive) Engine 274 in model 218	AR09.10-P-1150MRS
		Engine 274 in model 204	AR09.10-P-1150MR
3	Remove throttle valve actuator (M166)	Engine 274 in model 212 except code 924 (Bivalent natural gas drive) Engine 274 in model 218	AR07.61-P-1401MRS
		Engine 274 in model 172, 204	AR07.61-P-1401MR
4	Detach charge air hose on the left at connection fitting (1)
5	Disconnect electrical connection at pressure sensor upstream of throttle valve (B28/6)
6	Disconnect electrical connection on charge air temperature sensor upstream of throttle valve (B17/12)
7	Unclip electrical line on connection fitting (1) and remove connection fitting (1)
8	Remove poly-V belt	Engine 274 in model 212 except code 924 (Bivalent natural gas drive) Engine 274 in model 218	AR13.20-P-0001MRS
		Engine 274 in model 172, 204	AR13.20-P-0001MR
9	Disconnect electrical connection at alternator (G2)
10	Detach contact protection at alternator (G2)
11	Detach electrical line B+ (4) at alternator (G2)	Nut, circuit B+ to alternator	*BA15.40-P-1002-01F
12	Remove screw/bolts (2) and take out alternator (G2)	Alternator tightening procedure Observe alternator tightening procedure (G2).	AR15.40-P-5032-03MR
		Bolt, alternator to timing case	*BA15.40-P-1001-01F
13	Modify guide pulley (3)	When replacing the alternator belt pulley (G2)
		Engine 274 in model 212 except code 924 (Bivalent natural gas drive) Engine 274 in model 218	AR13.20-P-0001MRS
		Engine 274 in model 172, 204	AR13.20-P-0001MR
14	Install in the reverse order