Notes on coolant level - AH20.00-P-1142-01CW
WARNING: This page is about a different car, the 2011 Mercedes-Benz C350, 2010 Mercedes-Benz C350, 2009 Mercedes-Benz C350, and 2008 Mercedes-Benz C350. However, it is still accessible from the selected car via links, so may be relevant.
Model 166, 204, 207, 212, 218
When the engine is cold, the engine coolant level must reach up to the marking (arrow) in the coolant expansion reservoir (1). When coolant is warm: approx. 1 cm above this scribe mark.
Model 197
When the engine is cold, the engine coolant level must reach up to the upper edge of the stay (arrow) in the coolant expansion reservoir (1).
When coolant is warm: approx. 1 cm above the upper edge.