I grappled for a week with the grand narrative that the GLS presented. Here's how it went: The 2021 Mercedes-AMG GLS 63 is a full-size, high-performance SUV. It's the AMG-ized, SUV-ified version ...

The Mercedes GLS competes with other large, luxury SUVs such as the BMW X7 and the Cadillac Escalade. While Mercedes-Benz usually charges a premium over other brands, the pricing of the GLS is right ...