If you simply want the best three-row luxury SUV on the market, the 2017 Mercedes-Benz GLS-Class should be on your short list. Offering first-class accommodations, the latest technology and a choice of four excellent engines, the GLS is a top contender in the full-size, luxury SUV category.
- Third row is large enough for adults
- Spirited acceleration with any of the three gasoline engines
- Impressive fuel economy with the diesel engine
- Quiet cabin with high-end trimmings and features.
- Diesel-powered model feels relatively slow when passing and merging
- Big price jump from the six-cylinder models to the V8-powered versions.