The pump in a Mercedes is in the return line to the water pump so temps would not be any greater than say 140 - 150.:twocents:
The pump in a Mercedes is in the return line to the water pump so temps would not be any greater than say 140 - 150.:twocents:Its made to go on the hot side of a mercedes to the heater core so i can't see how this application is any different? Do mercedes run cooler? :dunno: