The French sedan loses points because of its firm suspension, a less spacious interior compared to rivals and a rather noisy cabin at high speeds. (drivemag.com)
An overly hard ride and noisy cabin make it less suited to highway driving. (carbuzz.com)
Overall impressions are that the Mercedes has a fairly noisy cabin, extraordinarily good brakes / pedal feel and good stability at all speeds. (autoweek.com)