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

WARNING: This page is about a different car, the 2023 Mercedes-Benz GLC300, 2022 Mercedes-Benz GLC300, 2021 Mercedes-Benz GLC300, 2020 Mercedes-Benz GLC350e, and 2020 Mercedes-Benz GLC300. However, it is still accessible from the selected car via links, so may be relevant.

Engine 264 in model 205, 253

with code B01 (48V technology)

Fig 1: Poly-V-Belt Tensioning Device Components Location - Engine 264 In Model 253 With Code B01

Courtesy of MERCEDES-BENZ USA

	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
	Remove/install
1	Remove poly-V-belt (1).		AR13.22-P-1202MRM
2	Remove screws (4) and remove clamping device (3).	Bolt, clamping device to alternator	*BA13.25-P-1001-01EA
3	Install in the reverse order.

BELT TENSIONING DEVICE

Number	Designation		Engine 264
BA13.25-P-1001-01EA	Bolt, clamping device to alternator	Nm	20