Can your W203 do this?
#51
I have a 2003 c270 cdi. I get 49.3 on a 230ml run at speeds upto 100mph. I also tow a trailor(caravan) at the maximum limit of of60mph on the motorway(freeway)and get38 to 42mpg.short journeys to town 2.5mlsand back home between28 and35