Mercedes-Benz 2005 E 320 Operator's Manual page 470

Technical data
Fuels, coolants, lubricants etc.
Therefore, the following product is strongly
recommended for use in your vehicle:
MB 325.0 anticorrosion/antifreeze agent.
Anticorrosion/antifreeze quantity
Model Approx. freeze protection
– 35°F (– 37°C)
E 320 CDI 6.7 US qt (6.3 l)
E 320/E 320 4MATIC 5.3 US qt (5.0 l)
E 500/E 500 4MATIC 6.0 US qt (5.65 l)
E 55 AMG 7.0 US qt (6.6 l)
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Before the start of the winter season (or
once a year in hot southern regions), you
should have the anticorrosion/antifreeze
concentration checked. The coolant is also
– 49°F (– 45°C)
7.3 US qt (6.9 l)
5.9 US qt (5.5 l)
6.6 US qt (6.2 l)
7.7 US qt (7.3 l)
regularly checked each time you bring your
vehicle to your authorized Mercedes-Benz
Center for service.