1995 E320 Wagon, 2002 S430
Does anyone know the precise recipe for MBs citric acid cooling system flush? The proper citric acid to water ratio and how much citric acid they use on an M104? I also understand they pre flush it before doing that to remove any oily residue so as to not render the citric acid flush ineffective. Anyone know what they use to remove oily residue in their pre flush routine? Really curious to know as this method is supposed to be the gold standard for cooling system and radiator flushes, restoring radiators to almost like new internally (heater cores too not to mention) and restoring the systems ability to keep the engine cool. Have read many posts where folks claim this flush brought their temps down almost 10 degrees C in some cases (radiator must have been badly loaded with scale). Anyone?