2021 Mercedes-Benz E-Class Review! The 2021 Mercedes E-Class is fantastic -- the best E-Class ever. Today I'm reviewing the 2021 E-Class and I'll show you all the quirks and features of the E-Class. I'm also going to drive the new 2021 E-Class and show you what it's like on the road. Check out this review of the 2021 Mercedes-Benz E450 Wagon!