Remove/install alternator belt pulley - AR15.40-P-5710CW

WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2016 Mercedes-Benz E63 S AMG, 2016 Mercedes-Benz E400, 2016 Mercedes-Benz E350, 2016 Mercedes-Benz E300, and 2016 Mercedes-Benz E250. However, it is still accessible from the selected car via links, so may be relevant.

ENGINE 271, 272, 273, 642, 651 in MODEL 207

ENGINE 271, 272, 642, 646, 651 in MODEL 204

ENGINE 271, 642, 651 in MODEL 212

ENGINE 271, 651 in MODEL 172

ENGINE 642, 651 in MODEL 218

ENGINE 651 in MODEL 221

Fig 1: Alternator Belt Pulley Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Risk of death when touching components on vehicles with high-voltage on-board electrical system	Do not touch components and open lines of the high-voltage on-board electrical system. Persons who wear electronic implants (e.g. cardiac pacemakers), must not carry out any work on high-voltage on-board electrical systems.	AS54.00-Z-0001-01A
1	Remove poly-V belt	ENGINE 271 in MODEL 172, 204, 207, 212	AR13.20-P-0001CW
		ENGINE 272 in MODEL 204 ENGINE 272, 273 in MODEL 207	AR13.20-P-0001CV
		ENGINE 642 in MODEL 204	AR13.22-P-1202CO
		ENGINE 642 in MODEL 207, 212, 218	AR13.20-P-0001OGE
		ENGINE 646.8 in MODEL 204	AR13.22-P-1202T
		ENGINE 651 in MODEL 204	AR13.22-P-1202CD
		ENGINE 651 in MODEL 172, 207, 212 (except 212.098/298), 218, 221	AR13.20-P-0001OMA
		ENGINE 651.9 in MODEL 212.098/298	AR13.22-P-1202EH
2	Remove cap (4)	Replace cap (4).
3	Detach belt pulley (1) using a socket wrench (3) and remove upwards	Alternator shaft (2) with Counterhold screw driving insert.
		ENGINE 271 ENGINE 272 ENGINE 273	BA15.40-P-1004-01F
		ENGINE 642 ENGINE 646	BA15.40-P-1004-01D
		ENGINE 651	BA15.40-P-1003-01Q
		Screwdriver bit	Fig 2
		Socket wrench	Fig 3
4	Install in the reverse order

ALTERNATOR

Number	Designation		ENGINE 651
BA15.40-P-1003-01Q	Collar nut on poly-V belt pulley	Nm	75

ALTERNATOR

Number	Designation		ENGINE 271	ENGINE 272
BA15.40-P-1004-01F	Collar nut, connecting belt pulley to alternator	Nm	80	80

ALTERNATOR

Number	Designation		ENGINE 273
BA15.40-P-1004-01F	Collar nut, connecting belt pulley to alternator	Nm	80

ALTERNATOR

Number	Designation		ENGINE 642	ENGINE 646, 647.961, 648
BA15.40-P-1004-01D	Poly-V belt pulley on alternator shaft	Nm	80	80

Fig 2: Identifying Screwdriver Bit (601 589 00 10 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Socket Wrench (602 589 00 10 00)

Courtesy of MERCEDES-BENZ USA