Routing Diagram For Poly-V Belt - AR13.22-P-3902-02MRA
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 274.9 in model 205 (except 205.047/147/247)
Engine 274.9 in model 253 (except 253.354/954)
Shown on engine 274.9 with a manual coolant pump
Fig 1: Poly-V Belt Drive Belt Routing - Engine 274.9 In Model 253 (Except 253.354/954) (Shown With A Manual Coolant Pump)
Shown on engine 274.9 with an electrical coolant pump