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Home >> Mercedes Benz >> 2021 >> GLB250 Base >> Repair and Diagnosis >> Engine Mechanical >> Accessory Drive Belts >> Air Compressor, Belt Drives - 247 Chassis >> Testing & Repair >> Remove/Install Poly-V-Belt Tensioning Device - AR13.25-P-3220MFC

Remove/Install Poly-V-Belt Tensioning Device - AR13.25-P-3220MFC

Engine 260 in model 118, 177, 247 

MODIFICATION NOTES

22.11.2019 Document completely revised.    

Shown on model 177 

Fig 1: Poly-V-Belt Tensioning Device Components Location - Engine 260 In Model 247
G14688474Courtesy of MERCEDES-BENZ USA
WARNING Risk of injury  . Skin or eye injuries may result when handling hot or glowing objects. Wear protective gloves, protective clothing and safety glasses, if necessary. AS00.00-Z-0002-01A
WARNING Risk of injury  . Moving parts can pinch, crush or, in extreme cases even sever extremities. No parts of the body or limbs should be within the operating area of mechanical components when moving components. AS00.00-Z-0009-01A
CAUTION Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.
AS00.00-Z-0017-01A
Notice  Notes on self-locking nuts and bolts   AH00.00-P-0001-01KOA
REMOVINGINSTALLING Remove/install     
1 Remove poly-V-belt (3).   AR13.22-P-1202MFC 
2 Remove right engine mount.   AR22.10-P-1102MFD
3 Remove screws (2). TORQUE SPECIFICATION Bolt, tensioning device to timing case cover *BA13.25-P-1001-01Z 
4 Remove tensioning device (1).    
5 Check tensioning device (1) for damage, wear and contamination. If there are problems,

Replace clamping device (1).
 
6 Install in the reverse order.    
BELT TENSIONING DEVICE

Number Designation Engine 260
BA13.25-P-1001-01Z Bolt, tensioning device to timing case cover Nm 20