Whip eggs and sugar until white. Add all other ingredients, melted margarine last. Mix all ingredients well. Pour into buttered cake mold (30 x 45 cm). Bake at 190C (375F) 20 25 min. While the cake is cooling boil the following for 5 minutes: margarine, coffee, cocoa, vanilla sugar, grated coconut, confectioners sugar. Spread evenly over the cake.