I have a 56 1.8 TDCI ghia. ok, it's not my mates CLK 3.5 v6. but it gets me and 500kg of metal (demo systems) from chichester to berlin and back, very often, no problems, pretty comfortable, 39MPG computer reads 53mpg for some reason. sat at 85MPH when the weekend comes, my wife and kids and my parents all fit in with the 2 kids bikes in the boot and all is well. better than my old laguna, bigger than a mondeo, not much slower. solid as a rock.