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

Engine 260 in model 118, 177, 247 except code B01 (48V technology) 

Shown on model 177 

Fig 1: Poly-V-Belt Tensioning Device Components Location - Engine 260 In Model 118 Except Code B01 (Shown On Model 177)

Courtesy of MERCEDES-BENZ USA

	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
	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
	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
	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).	Bolt, tensioning device to timing case cover	*BA13.25-P-1001-01Z
4	Remove clamping 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.