In looking at the order guide 2vh active steering requires ordering 2vr two axle air or zor off road package. my guess is the m sport package comes with adaptive m suspension which may not be compatable with the air suspension. Our q7 has air suspension with rear steering and it rides great. i would also like to have rear steer since it works so well on the audi. this is just my quess so if some knows morw please chime in
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