At the same time, Norfolkline was looking to expand their Dover-Dunkerque offering away from HGVs and into the tourist market, and with the extra demand affirming the viability of the newbuilds, the project went ahead.

As is common for ferries sailing into and out of Dover, the class is installed with a so-called "cow-catcher" at the bow, and with sliding stern doors.

[6] The first ship to be built - the Maersk Dunkerque - was delivered in September 2005, beginning service in October that same year.

[2][8] Shortly after entering service, the Maersk Dunkerque developed some engine troubles throughout 2006, frequently cancelling sailings.

The damage sustained by the ship meant that she was out of service for roughly a week and a half for maintenance, before returning on 21 November.

[8] In late 2015, DFDS rebranded, with the company adopting a new livery for their fleet, with a darker shade of blue and white lettering on the dark hull.