Maintenance 297 Engine oil level Oil level of steering Check the engine oil level before the start of every journey. Checking the engine oil level Important safety notes G WARNING Certain components in the engine compart- ment could be very hot, e.g. the engine, the radiator and parts of the exhaust system. There is a risk of injury when accessing the engine compartment. As far as possible, allow the engine to cool down and only touch the components descri- bed in the following. X Check the engine oil level via the on-board computer ( Y page 125). X Top up with the quantity of oil displayed in the on-board computer ( Y page 297). Topping up the engine oil !
Only use oils which have been approved for the vehicle and with the prescribed SAE classification. Do not add too much oil. If you add too much oil, the engine or the exhaust system could be damaged. Have excess oil siphoned off. G WARNING There are moving components in the engine compartment. Certain components may con- tinue to move or suddenly move again even after the ignition has been switched off, e.g. the radiator fan. There is a risk of injury. If you have to carry out work in the engine compartment: Maintenance and care R switch off the ignition R never touch the dangerous areas surround- ing moving components, e.g.
the rotation area of the fan R remove jewellery and watches R keep items of clothing and hair, for exam- ple, away from moving parts. Do not add the topping-up quantity shown in the on-board computer until the 4 symbol appears in the status area of the on-board computer ( Y page 144). ! If the oil does not reach the MIN mark, the vehicle's hydraulic system may be malfunc- tioning. Have the system checked immediately at a qualified specialist workshop. X Park the vehicle on a level surface. X Apply the parking brake. X Switch off the engine. X Unscrew and remove cap : . X Observe the information on engine oil ( Y page 361). X Top up the oil as shown in the on-board computer. X Replace cap :
and screw it on. Z