 The A @-@ series has a capacity of 207 seated passengers , while the B @-@ series has room for 250 . The difference is due to the B @-@ series having a smaller bistro and more compact seating . In the A @-@ series , each of the four cars has seating in a different color ( blue in BFM73 car , green in BMU73 , red in BFR73 , and yellow leather in BM73 and in the bistro area in BFR73 ) . Originally , three of the cars had floors with carpet , while the fourth car ( BFM73 ) had vinyl , of consideration to people with allergies . The carpets were removed in about 2005 as it was difficult to keep them clean . Seating is in two classes , standard and Komfort ( originally " Plus " ) ; the latter ( BM73 car ) with leather seating and power supply for laptops . All the cars have cherry tree wood interior . The trains are equipped with a dining section ( BFR73 car ) and warm meals can be served at the seat or in the diner . The menu is according to the time of day , with breakfasts in the morning and larger meals in the afternoon and evening . The trains also feature a family section with a play area and HC area ( BFM73 car ) . The BFM73 car has also a bicycle room behind the driver 's cab . From 2011 , the trains are equipped with free wireless Internet . 
