2010 Mercedes S-Class Owner's Manual - Page 410
2010 Mercedes S-Class Manual
Page 410 highlights
408 Engine compartment Coolant level The engine coolant is a mixture of water and anticorrosion/antifreeze. When checking the coolant level, the vehicle must be parked on level ground, and the coolant temperature must be below 158‡ (70†). G Warning! Example illustration: S 63 AMG RUse In order to avoid any potentially serious burns: X X Unscrew filler cap : from filler neck. Add engine oil as required. Be careful not to overfill with oil. Be careful not to spill any oil when adding. Avoid environmental damage caused by oil entering the ground or water. Operation 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 gauge indicates that the coolant is overheated. not remove the cap on the coolant expansion tank if the coolant temperature is above 158‡ (70†). Allow the engine to cool down before removing the cap. The coolant expansion tank contains hot fluid and is under pressure. RDo ! Excess oil must be siphoned or drained off. It could cause damage to the engine and emission control system not covered by the Mercedes-Benz Limited Warranty. X RUsing Screw filler cap : back on filler neck. For more information on engine oil, see the "Technical data" section (Y page 537) and (Y page 539). a rag, slowly open the cap approximately 1/2 turn counterclockwise to relieve excess pressure. If opened immediately, scalding hot fluid and steam will be blown out under pressure. not spill antifreeze on hot engine parts. Antifreeze contains ethylene glycol which may burn if it comes into contact with hot engine parts. RDo Transmission fluid level The transmission fluid level does not need to be checked. If you notice transmission fluid loss or gearshifting malfunctions, have an authorized Mercedes-Benz Center check the transmission. Active Body Control (ABC) fluid level Regular fluid level check is not required. If you notice fluid leaks or malfunction messages in the multifunction display, have an authorized Mercedes-Benz Center check the ABC system. Example illustration: S 550
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