I am also starting to see the effects of proper operating temperature on MBZ water pumps. If you let your engine get too hot for too long .... look for a water pump replacement not too far behind. (Don't ask me how I know this .... geesh!)

Haasman

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'03 E320 Wagon-Sold
'95 E320 Wagon-Went to Ex
'93 190E 2.6-Wrecked
'91 300E-Went to Ex
'65 911 Coupe (#302580)