JOLIET, Illinois — Mercedes is the pinnacle of European luxury, and the S-class is the summit of Mercedes. Big screens, big tech, big interior space — the S-class spares no expense to coddle its customers. For 2022, S-class offers a pair of models, the EQS 450 sedan and GLS 450, that try to capitalize on the latest trends in the U.S. luxury marketplace: electric cars and SUVs. The EQS is a sleek showpiece of Mercedes technology with a screen the size of The Henry Ford’s IMAX theater and power delivery as smooth as water. But with limited range and two rows of seats, the $116,300 EQS indicates …