2008 Mercedes SLK-Class Owner's Manual - Page 302
2008 Mercedes SLK-Class Manual
Page 302 highlights
Operation Engine compartment The coolant expansion tank is located on the passenger side of the engine compartment. Using a rag, turn cap 2 slowly approximately one half turn counterclockwise to release any excess pressure. Continue turning cap 2 counterclockwise and remove it. The coolant level is correct if the level for cold coolant: reaches marking bar 3 in expansion tank 1 for warm coolant: is approximately 0.6 in (1.5 cm) higher Add coolant as required. SLK 350 (example illustration) Windshield washer system and headlamp cleaning system* The windshield washer reservoir is located on the passenger side of the engine compartment. Replace and tighten cap 2. For more information on coolant, see "Coolants" ( page 456). SLK 350 (example illustration) 1 Coolant expansion tank 2 Cap 3 Marking bar in the expansion tank 1 Cap for windshield washer reservoir Fluid for the windshield washer system and the headlamp cleaning system* is supplied from the windshield washer reservoir. It has a capacity of approximately 7.4 US qt (7 l). 301