Mercedes-Benz 2005 C 230 Kompressor - Manual (Page 435)

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Technical data
Fuels, coolants, lubricants, etc.
Anticorrosion/antifreeze quantity
Model Approx. freeze protection
–35°F (–37°C) –49°F (–45°C)
C 230 Kompressor 3.0 US qt (2.8 l) 3.3 US qt (3.1 l)
C 320 3.4 US qt (3.2 l) 3.8 US qt (3.6 l)