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Home >> Mercedes Benz >> 2021 >> C63 AMG 2D Convertible >> Repair and Diagnosis >> Engine Mechanical >> Accessory Drive Belts >> Air Compressor, Belt Drives -- 205 Chassis >> Testing & Repair >> Remove/Install Tensioning Device For Poly-V Belt Of Alternator - AR13.20-P-0010MNA

Remove/Install Tensioning Device For Poly-V Belt Of Alternator - AR13.20-P-0010MNA

Engine 176 in model 463 

up to model year 2019 

Engine 177 in model 205 

Engine 178 in model 190 

Shown on ENGINE 177 

G14814278Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Remove poly-V belt (4) of alternator Engine 176 in model 463 up to model year 2019
Engine 177 in model 205
Engine 178 in model 190
AR13.22-P-0003MNA 
2 Remove screws/bolts (5) and remove clamping device (1) downwards TORQUE SPECIFICATION Bolt, belt tensioner to right bracket *BA13.25-P-1002-01CA 
3 Install in the reverse order    
BELT TENSIONER

Number Designation Engine 176 Engine 177
BA13.25-P-1002-01CA Bolt, belt tensioner to right bracket Nm 20 20
BELT TENSIONER

Number Designation Engine 178
BA13.25-P-1002-01CA Bolt, belt tensioner to right bracket Nm 20