The overall styling of the car is of course instantly recognizable thanks to its clear contours and high waistline. According to Mercedes, the third-generation CLS is supposed to reflect "the timeless aura of the first CLS", which as you know, basically invented this segment.
The all-new 2019 Mercedes-Benz CLS is available with a choice of two diesels and a petrol unit - specifically as a CLS 350d 4MATIC, CLS 400d 4MATIC and CLS 450 4MATIC, the latter (petrol) being the only option you have in the U.S.
https://www.autonews-mag.com/news/2019-mercedes-benz-cls-coupe-edition-1#sigProIdf88ae18342
In fact, the CLS 450 4MATIC utilizes a completely new in-line six-cylinder power unit with EQ Boost and a 48-volt on-board electric system. It puts down 370 PS (362 HP) and 500 Nm (369 lb-ft) of torque, while the EQ Boost function adds another 22 PS (21 HP) and 250 Nm (184 lb-ft). This adds up to a combined fuel consumption of 7.5 liters/100km (31.3 US mpg) and a 0 to 100 km/h (62 mph) acceleration time of 4.8 seconds.
As for the diesels, we're talking about a 3.0-liter in-line six-cylinder engine, producing 340 PS (335 HP) and 700 Nm (516 lb-ft) in the CLS 400d and 286 PS (282 HP) and 600 Nm (442 lb-ft) in the CLS 350d. Both models have combined fuel consumption figures of 5.6l/100km (42 US mpg) and 0-100 km/h times of 5.0 seconds and 5.7 seconds respectively.
https://www.autonews-mag.com/news/2019-mercedes-benz-cls-coupe-edition-1#sigProId97200a7abb
Furthermore, an electrified CLS 53 hybrid is rumored to debut at the 2018 Detroit Auto Show, sending a total of 429 horses to the wheels.The all-new 2019 CLS will go on sale in the U.S. by Fall 2018, although other markets will get it starting in March.