A and B class Mercedes has the same prblems with the automatc gearbox. there
is nor solution by Mercedes.
Problem: if you start the ca you have no chance to switch in the economy
mode (=comfort). First you must need the kick down (=at full throttle) the
the car operate normal ! Mercedes said: hats normal in the moment. There is
no solution !!!. All new A an B class car's with (Diesel) Automatic gearbox
has this problems. You have this problems if you start the car, everytime
you start the car.

Mercedes Solution:

need fuff throttle (Vollgas) at first than the car will operate normal !
This ist he answer from a highttec company !

Be carefull to by this car !