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Mercedes-Benz GLS

X166 facelift

The facelifted X166 GLS arrived in the U.S. for the 2017 model year and continued through 2019. Mercedes updated the front and rear styling, interior technology, and model lineup while keeping the same underlying body code. This phase closed out the first-generation GLS before the all-new X167 model launched for 2020.

since 2017 X166 facelift U.S. market
Production since 2017
Body code X166
Body styles Full-size luxury SUV
Modifications 3
Modification Engine Power Transmission Drive Years  
amg gls 63
2017–2019
Gasoline · 5.5 L · 577 hp 7-speed automatic 4WD 577 2017–2019 View details
gls 450 4matic
2017–2019
Gasoline · 3.0 L · 362 hp 9-speed automatic 4WD 362 2017–2019 View details
gls 550 4matic
2017–2019
Gasoline · 4.7 L · 449 hp 9-speed automatic 4WD 449 2017–2019 View details