Even though the official presentation of the new M Class isn’t due until later this year – most likely at the upcoming Frankfurt Motor Show in early September, an increasing number of lightly camouflaged prototypes have been caught roaming around the roads of Germany.

During the past few months, we’ve covered the 2012 M Class pretty extensively with both professional and reader shots. This new photo of a pair of M Class SUVs sitting side by side at a parking lot with other Mercedes models comes courtesy of Carscoop reader Patrick Favoreel.

While the design of the new M Class appears to be an evolutionary, rather than a revolutionary, step from the existing model, the premium SUV is expected to benefit from a new lineup of diesel and gasoline engines with significant power and fuel economy gains, as well as a weight reduction across the range. We’ll keep an eye out for any new scoop photos and update as soon as we get them.

Hat tip to Patrick for the scoop!