Well this all started when I flushed the cooling system. After that it has been running around 90 to 100c before the flush it was running around 80 - 85c. (And that was in the summer time.) Now I've replace thermostat, radiator, temp sender & radiator cap and still running around 90 - 100c and its only 70f outside. On a 240D should I be able to see the coolant flow with the radiator cap off and running the engine above an idle (temp gauge at 90+)? I know I can on my Chey but this MB I don't see any water flow???? Any thoughts about the water flow? Is my water pump bad?

Thanks,

Bill