There is some turbo lag until 2000rpms. Transmission shifts sluggishly when using comfort mode. Sport mode is a notable improvement. Past 2000rpm, the R Diesel launches into a breath depriving shove! It will surprise nearby motorists. 398ft-lbs does make a difference. Try test driving the V8 gas version, see for yourself. Suspension and handling is typical MBenz firm but no a racer. Transmission shifter takes a while to get used to. Tried it on cold icy highway conditions. Computer stability and traction programs do work in a very subtle way.
Panorama roof! Getting 28.6mpg in mix highway 70ish biased driving of a big 5000lb vehicle.
The memory seat position should come standard. Slightly bigger diesel tank so it can have a cruising range of a ocean freighter.
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