2002 Mercedes CLK-Class Owner's Manual - Page 247

Instruments and controls Operation Driving Instrument cluster display Practical hints Car care Technical data Index Malfunction and warning messages WASHER FLUID 244 When this message appears while the engine is running, the level of the reservoir has dropped to approx. 1/3 of the total volume. The reservoir should be refilled with the prescribed mixture of MB Windshield Washer Concentrate "S" and water or the Concentrate and commercially available premixed windshield washer solvent/antifreeze, depending on ambient temperature, at the next opportunity. The reservoir for the windshield and headlamp washer systems is located in the engine compartment. Line 2 CHECK LEVEL! Line 1 WASHER FLUID See windshield washer system on page 256 for instructions on adding washer fluid.