BERLIN (Reuters) – Mercedes-Benz expects significantly higher revenues and slightly higher earnings in 2022 than last year, it said on Wednesday, raising its outlook as it reported an 8% rise in adjusted earnings in the second quarter to 4.9 billion euros ($4.97 billion). The luxury carmaker saw an adjusted return on sales of 14.2% in the Mercedes-Benz Cars division, up from 12.8% in the same quarter last year, while returns in Vans fell slightly to 10.1% from 11.4% last year. Looking forward, it raised its expected adjusted earnings margin for its Cars division in the second half to 12-14% fr…