Here's the answer.
Station wagons have long been out of style in North America. First, they were replaced by minivans, then SUVs and crossovers. But the Mercedes-AMG E63 S Wagon is no typical station wagon. It is a 603 horsepower, $100,000+ luxury high-performance machine that'll smash the crap out of nearly anything else on the road. The Audi RS 6 Avant, just arriving in the US, also falls into this ultra-exclusive segment. But anything exclusive typically also means a limited number of buyers. Given that Mercedes-AMG continues to launch ever more powerful SUVs and crossovers, what does the future hold for its beloved wagon?
Motor Trend has learned from company sources that the E63 S wagon isn't going anywhere for the time being, and it's not just because of the fresh competition from Audi. You see, AMG is all too aware its wagon is ultra-niche.
Dealerships typically don't even order them because they're hard to sell. This means each and every one is built to order, unlike the just revealed Mercedes E-Class All-Terrain. The latter is aimed at the Audi A6 allroad, another raised wagon with SUV-like styling. The AMG wagon, like its E63 sedan counterpart, appeals to a completely different type of buyer.
Mercedes bean counters have done the math and determined it's still worthwhile to build and ship them to America as long as there's already a buyer. And because the E-Class wagon, in general, is still being produced globally in both regular and All-Terrain variants, it's easy for AMG to source the bodies.
All Affalterbach has to do is take those wagon bodies and stuff in the 4.0-liter twin-turbo V8 with 603 horsepower and 627 lb-ft of torque. Of course, an upgraded AMG interior is also a requirement, but considering it's the same as the E63 sedan, again it's not a financial crunch. What still remains to be seen is whether or not there are E63 S updates.
Remember, the E53 and regular E-Class family have been updated for 2021. In all likelihood, similar updates like new LED headlights and taillights and new driver-assist features are forthcoming. Above all, the E63 wagon isn't going anywhere - as long as people keep ordering them.