MotorDeets

Mercedes-Benz Gls 450 problems, recalls & best years

The deets on every Gls 450 from 2018 to 2020: 74 owner complaints and 28 recalls across 3 model years.

The model years with the most owner complaints are 2020 (36), 2019 (24), 2018 (14). Best fuel economy: 21 mpg combined (2020).

Mercedes-Benz Gls 450
Photo: Chanokchon · CC BY-SA 4.0 · Wikimedia Commons. Representative photo of this generation; trim may differ.

Problem areas across all years

Electrical23
Engine14
Other / unknown11
Transmission & drivetrain8
Fuel & propulsion8
Forward collision avoidance8
Brakes7
Suspension6

Year by year

YearRecallsComplaintsBest mpg
201831419
201932418
2020223621

Want the full repair deets? Get the factory manual.

Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the Mercedes-Benz Gls 450.

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FAQ

What is the worst year for the Mercedes-Benz Gls 450?

The model years with the most owner complaints are 2020 (36), 2019 (24), 2018 (14).

How many recalls has the Mercedes-Benz Gls 450 had?

Across 2018–2020, NHTSA lists 28 vehicle recall campaigns by model year (a campaign that covers several years counts once per year).