Smoother going in the e280. The cable from the pedal to the throttle body linkages is quite twisty, and all the linkages were stiff; which made the pedal quite stiff, jerky and annoying. The number of separate components and joints is either a work of art or engineering complication for the sake of it. Or maybe a bit of both?
It can be a bit of a thing with these- a hard accelerator pedal feel but it’s now transformed; cleaning and lubricating all linkages and pivots did the job. It’s on the Official MB service schedule hence I suspect that was last done A Very Long Time Ago