求问通票维也纳至慕尼黑夜车2nd class only seated

通票买的是2nd class的，在德铁官网查的00.10-6.15的车，可是写着EuroNight
Special offer Spar-Night, Subject to compulsory reservation, 2nd class only seated accommodation, Global price or ticket plus supplement, Sleeping-car, Couchettes, snacks and beverages available from sleeping-car/couchette-car attenda是说只能定座位票不能定卧铺是么