The aircraft was actually an A340-300 (Config. 4) with new business seats 2-2-2.
The seating was comfortable. The flat-bed was a surprise but the comfort was disappointing. For a passenger 1.8m or more (like I am), the area for the feet is too narrow and too short and worse if you have big feet. The alternative is to curl up on your side. I have waited long to try Lufthansa's flat bed and now I have. I will stay with SWISS and AUSTRIAN for my long haul business trips.