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Remove/Install Alternator Belt Pulley - AR15.40-P-5710MFC

Engine 260 in model 118, 177, 247 

except code B01 (48V technology) 

G15491409Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Remove the alternator (G2).   AR15.40-P-5032MFC 
2 Remove cover (2) of belt pulley (1).    
3 Counterhold alternator shaft using suitable means and release belt pulley (1) using socket wrench and remove. INSTALLATION IMPORTANT:  During repair work on alternator (G2), belt pulley (1) must basically always be replaced in the case of mileage greater than 100, 000 km.  
    TORQUE SPECIFICATION Poly-V belt pulley on alternator shaft *BA15.40-P-1003-01W 
    SPECIAL TOOL Socket wrench Fig 1
4 Install in the reverse order.    
ALTERNATOR

Number Designation Engine 260
BA15.40-P-1003-01W Poly-V belt pulley on alternator shaft Nm 175
Fig 1: Identifying Socket Wrench (602 589 00 10 00)
G10247871Courtesy of MERCEDES-BENZ USA