Mercedes plans all-electric S-Class sedan to challenge Tesla's flagship

The EQ line will be flanked by plug-in hybrid models offering a "totally different" battery range than available currently

Mercedes-Benz is developing a battery-powered sedan about the size of its $90,000 flagship S-Class, challenging Tesla Inc.’s Model S for high-end electric-car buyers.

The new full-size sedan, dubbed EQ S, will be part of the Daimler AG unit’s push to introduce 10 all-electric vehicles by 2022, Chief Executive Officer Dieter Zetsche said Wednesday during the presentation of the revamped Mercedes A-Class hatchback in Split, Croatia.

The EQ line will be flanked by plug-in hybrid models offering a “totally different” battery range than today, while conventional vehicles will feature so-called mild hybrids with 48-volt technology in a shift away from pure