mercedes-benz — Mercedes-Benz Manual (EN)

As > built configurations Cooling levers 53 Lower cooling level 54 Upper cooling level Cooling The cylinder head has a divided coolant jacket. This means that the coolant, after it has flushed around the cylinders, flows into the cylinder head on the inlet side and on the exhaust side. The advantage is that the coolant first flushes around the fuel injectors and valve seat rings in the lower cooling level (53) of the cylinder head. W01.30 > 1128 > 76 After this the coolant flows into the upper cooling level (54) of the cylinder head and cools the valve guides. The coolant is collected there and directed outwards.

i Introduction of engine OM 471 and exhaust aftertreatment > 09/2011 > 17 – This printout will not be recorded by the update service. Status: 09 / 2011 –