2011 Mercedes E-Class Owner's Manual - Page 276

274 Engine compartment Adding engine oil H Environmental note When adding oil, take care not to spill any. If oil enters the soil or waterways, it is harmful to the environment. i The difference in quantity between the MIN mark and the MAX mark on the dipstick is (depending on the engine) approximately 1.6 to 2.1 US qt. (1.5 to 2 l). ! Do not add too much oil. If the oil level is above the MAX mark on the dipstick, too much oil has been added. This can lead to damage to the engine or the catalytic converter. Have excess oil siphoned off. Further information on engine oil (Y page 337). X Replace cap : on the filler neck and tighten clockwise. Ensure that the cap locks into place securely. Checking and adding other service products Checking the coolant level Only check the coolant level when the vehicle is on a level surface and the engine has cooled down. X Turn the SmartKey to position 2(Y page 151) in the ignition lock. On vehicles with KEYLESS-GO, press the Start/Stop button twice (Y page 151). X Check the coolant temperature display in the instrument cluster. The coolant temperature must be below 158 ‡ (70 †). ! Only use engine oils and oil filters which have been approved for vehicles with a service system. A list of the engine oils and oil filters that have been tested and approved according to the Mercedes-Benz specifications for service products can be found on the Internet at http:// www.mbusa.com (USA only). Further information on tested and approved engine oils and oil filters can be obtained from any authorized Mercedes-Benz Center. The following causes engine failure or damage to the exhaust system: Rusing engine oils and oil filters that are not specifically approved for the service system Rreplacing the engine oil and oil filter later than the specified replacement interval required by the service system Rusing engine oil additives Maintenance and care G Warning Ruse In order to avoid any potentially serious burns: Example: engine oil cap X Turn cap : counter-clockwise and remove it. X Add the amount of oil required. Fill carefully to the maximum mark on the oil dipstick. extreme caution when opening the hood if there are any signs of steam or coolant leaking from the cooling system, or if the coolant temperature display indicates that the coolant is overheated. Rdo not remove the pressure cap on the coolant reservoir if the coolant temperature is above 158 ‡ (70 †). Allow the engine to cool down before removing the cap. The