Highs Rocket ship acceleration, S-class interior luxury, high-tech features galore. Lows Clumsy-shifting automatic transmission, discombobulated ride, eye-watering price tag. Verdict Mercedes-AMG creates the ultimate muscle SUV with enough room for an extended family.


The performance-tuning geniuses at Mercedes-AMG have sầu finally been let loose on the new GLS-class SUV, & from those solid bones they"ve sầu created the 2021 GLS63. Powered by a fire-breathing 603-hp twin-turbo V-8, luxuriously appointed, & spacious it offers commodious accommodations for the family that wants khổng lồ travel rapidly—really, really rapidly. Mercedes-AMG has thrown all the tech features it has at the GLS63, including dual 12.3-inch infotainment displays, an available semi-autonomous driving mode, and a 48-volt hybrid system to help the big SUV"s performance. What br& of performance is that? The kind that enables it to accelerate like a rocket, V-8 engine roaring. This beast is a heads-up competitor lớn other oversized hot-rods such as the BMW X7 M50i và the Range Rover SV Autobiography—& comes with a price tag to lớn match.

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What"s New for 2021?

The GLS63 is all new for 2021, arriving after a brief pause when the previous generation ended production after the 2019 Mã Sản Phẩm year.

Pricing and Which One khổng lồ Buy

Although the GLS63"s starting price is deep into the six-figure realm, we"d still suggest a few options sure to please the whole family. For one thing, the Warmth & Comfort package is a nice bundle for those in northern climates, as it adds heated door panels, heated armrests, và a heated center console.

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We"d also suggest the Energizing package which includes the in-cabin fragrance diffuser & the Acoustic Comfort package, và also adds increased cabin insulation for a quieter interior. Mercedes-AMG also offers a host of standalone features that may catch your eye, including the bonkers 23-inch multi-spoke forged wheels that look just perfect when framed within the GLS63"s muscular wheel wells.

Engine, Transmission, and Performance

Under the hood of the GLS63 is a twin-turbocharged 4.0-liter V-8 engine that makes a whopping 603 horsepower with the help of a 48-volt hybrid system. All-wheel drive sầu is standard, as is a nine-speed automatic transmission và air suspension. We were blown away by the 2021 GLS63"s performance at our chạy thử traông xã as it out-accelerated several hot sports cars we"ve sầu tested recently, tearing off a blistering 3.6-second zero-to-60-mph run. For comparison, the old GLS63—which made a mere 577 horsepower—managed a none-too-shabby 4.3-second zero-to-60-mph run. As impressed as we were with the GLS"s acceleration, we can"t say the same for its driving dynamics. The ride is firm, especially on the optional 23-inch wheels, but that firmness doesn"t translate lớn a feeling of precision when cornering. The GLS"s body toàn thân bobs across road undulations more than expected, though it still offers plenty of grip khổng lồ have sầu some fun with on a twisty road.