2010 Mercedes SLK-Class Owner's Manual - Page 198

171_AKB; 3; 60, en-US d2ureepe, 2009-05-11T16:00:23+02:00 - Seite 196 Version: 2.11.8.1 196 Engine compartment authorized Mercedes-Benz Center check the transmission. 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†). Operation Example illustration: SLK 350 X G Warning! RUse In order to avoid any potentially serious burns: 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. 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. 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. Using a rag, slowly open cap ; approximately 1/2 turn counterclockwise to relieve excess pressure. X Continue turning cap ; counterclockwise and remove it. The coolant level is correct if the level Rfor RDo cold coolant: reaches marking bar = in coolant expansion tank : (1.5 cm) higher Rfor warm coolant: is approximately 0.6 in X X RUsing Add coolant as required. Screw cap ; back on and tighten it. For more information on coolant, see the "Technical data" section (Y page 301) and (Y page 304). RDo Washer system and headlamp cleaning system G Warning! Washer solvent/antifreeze is highly flammable. Do not spill washer solvent/ antifreeze on hot engine parts, because it may ignite and burn. You could be seriously burned. ! Always use washer solvent/antifreeze where temperatures may fall below freezing point. Failure to do so could result in damage to the washer system/fluid reservoir.