Diesel engine Series 15W / 18WInstallation and commissioning2008-12-09 476.4 Filling with engine oilCAUTION!Engine damage due to incorrect oil quantity!Too high or too low an engine oil level can result indamage to the engine.Therefore:– Never exceed the maximum level.Never drop below the minimum level.– The engine must stand up straight for checkingthe oil level.Fig. 211. Release oil filler cap (1) e.g. with a 13mm jaw spanner andscrew off by hand.Fig. 222. Fill engine oil into the filling opening (2).