Replace Seal On Engine Oil Dipstick Guide Tube - AR18.40-P-0815-01MR
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 270, 274
- Insert stable plastic foil (2) into sealing ring (1).
- Push on sealing ring (1) with plastic foil (2) all the way onto oil dipstick guide tube (3).
This must not be damaged in the area of the elongated hole for assembly of the sealing ring (1).
Leaks can occur otherwise
- Pull out plastic foil (2).
Make sure that sealing ring (1) is seated correctly.