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.

Use MB SummerFit windshield washer concentrate at temperatures above freezing:

– Mix 1 part MB SummerFit with 100 parts water.

Use MB WinterFit windshield washer concentrate at temperatures below freezing:
– At temperatures down to 14 °F (- 10 °C):
mix 1 part MB WinterFit with 2 parts water.
– At temperatures down to - 4 °F (- 20 °C):
mix 1 part MB WinterFit with 1 part water.
– At temperatures down to - 20.2 °F (- 29 °C): mix 2 parts MB WinterFit with 1 part water.

Only SummerFit and WinterFit can be mixed. Otherwise, the jets could become blocked.