W210 E320CDI engine hot and leaking fuel pump

[Jeremy E320CDI]

Hi. My W210 E320CDI (2001) is running hot (90 degrees to 100 degrees C); also the h/p diesel fuel pump has started dripping fuel. Any ideas on temperature problem and approx cost for replacement fuel pump?

 

[Naraic]

Is the water pump working as it should. Or, the stat

 

[Jeremy E320CDI]

I haven't tested either. I get the problem around town but even with plenty of airflow through the car eg on the motorway the car still runs hot.