TSB : Notes on coolant level - AH20.00-P-1142-01MUB
Engine Mechanical
Details
MODEL 217 with ENGINE 279 MODEL 222 with ENGINE 277, 279 Fig 1: Locating Coolant Expansion Reservoir Mark Courtesy of MERCEDES-BENZ USA When the engine is cold, the coolant must reach the marking (arrow) in the coolant expansion reservoir. When the coolant is warm: Approx. 1 cm above this mark.
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