The Mercedes-Benz E-Class family gains a new member with the launch of the 2018 E400 Coupe.

Published: / Caption: / Photo: Antuan Goodwin/Roadshow

It's got two fewer doors, but is underpinned by the same modular platform as the sedan.

Published: / Caption: / Photo: Antuan Goodwin/Roadshow

The coupe's profile is completely different. Also different are the contents of the two cars' engine bays.

Published: / Caption: / Photo: Antuan Goodwin/Roadshow

The E400 Coupe is powered by a biturbo V6 engine displacing 3.0-liters, rather than the sedan's 2.0-liter I4.

Published: / Caption: / Photo: Antuan Goodwin/Roadshow

Power is stated at 329 horsepower and 354 pound-feet of torque, which reaches the road via a nine-speed gearbox and Benz's 4Matic all-wheel drive system.

Published: / Caption: / Photo: Antuan Goodwin/Roadshow

The coupe will be available with Mercedes' full suite of driver aid technologies, including the Car-to-X communications framework.

Published: / Caption: / Photo: Antuan Goodwin/Roadshow

There are three different suspension systems available to buyers: Fixed, adaptive dampers and adaptive air springs.

Published: / Caption: / Photo: Antuan Goodwin/Roadshow

There are also four drive modes that affect the suspension, steering and throttle ranging from Eco to Sport Plus.

Published: / Caption: / Photo: Antuan Goodwin/Roadshow

LED headlamps feature active steering and automatic high beams.

Published: / Caption: / Photo: Antuan Goodwin/Roadshow

The E400's on-road demeanor is laid-back and relaxed with a compliant, but responsive ride and confident acceleration from the V6.

Published: / Caption: / Photo: Antuan Goodwin/Roadshow

The nine-speed gearbox seems well tuned, but I'd avoid the Sport Plus mode on the street. It's just a bit too harsh and unpredictable.

Published: / Caption: / Photo: Antuan Goodwin/Roadshow

The 2018 E400 Coupe starts hitting Mercedes-Benz dealerships later this year. Pricing has not yet been announced.

Published: / Caption: / Photo: Antuan Goodwin/Roadshow
Published: / Caption: / Photo: Antuan Goodwin/Roadshow
Published: / Caption: / Photo: Antuan Goodwin/Roadshow
Published: / Caption: / Photo: Antuan Goodwin/Roadshow
Published: / Caption: / Photo: Antuan Goodwin/Roadshow
Published: / Caption: / Photo: Antuan Goodwin/Roadshow
Published: / Caption: / Photo: Antuan Goodwin/Roadshow
Published: / Caption: / Photo: Antuan Goodwin/Roadshow
Published: / Caption: / Photo: Antuan Goodwin/Roadshow
Published: / Caption: / Photo: Antuan Goodwin/Roadshow
Published: / Caption: / Photo: Antuan Goodwin/Roadshow
Published: / Caption: / Photo: Antuan Goodwin/Roadshow
Published: / Caption: / Photo: Antuan Goodwin/Roadshow
Published: / Caption: / Photo: Antuan Goodwin/Roadshow
Published: / Caption: / Photo: Antuan Goodwin/Roadshow
Published: / Caption: / Photo: Antuan Goodwin/Roadshow
Published: / Caption: / Photo: Antuan Goodwin/Roadshow
Published: / Caption: / Photo: Antuan Goodwin/Roadshow
Published: / Caption: / Photo: Antuan Goodwin/Roadshow
Published: / Caption: / Photo: Antuan Goodwin/Roadshow
Published: / Caption: / Photo: Antuan Goodwin/Roadshow
Published: / Caption: / Photo: Antuan Goodwin/Roadshow
Published: / Caption: / Photo: Antuan Goodwin/Roadshow
Published: / Caption: / Photo: Antuan Goodwin/Roadshow
Published: / Caption: / Photo: Antuan Goodwin/Roadshow
Published: / Caption: / Photo: Antuan Goodwin/Roadshow
Published: / Caption: / Photo: Antuan Goodwin/Roadshow
Published: / Caption: / Photo: Antuan Goodwin/Roadshow
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