MotorDeets

2022 Mercedes-Benz Gls 450 4matic: Recalls, Problems & MPG

Here are the deets on the 2022 Mercedes-Benz Gls 450 4matic: 10 recalls, 16 owner complaints and up to 20 mpg combined.

10vehicle recalls
16owner complaints
2mention a crash
20best combined mpg
2022 Mercedes-Benz Gls 450 4matic
Photo: Chanokchon · CC BY-SA 4.0 · Wikimedia Commons. Representative photo of this generation; trim may differ.

Recalls

10 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.

Electrical Vehicle recall #22V231000 · 2022 · 21,306 vehicles

What's wrong: A ground cable bolt for the 48v ground connection under the front passenger seat May not be secured properly, which can cause the electrical cable to overheat.

Why it matters: An overheated electrical cable can increase the risk of a fire.

The fix: Dealers will inspect and tighten the ground cable bolt, as necessary, free of charge. Owner notification letters were mailed July 8, 2022.

Communication, Electrical Vehicle recall #22V365000 · 2022 · 242,722 vehicles

What's wrong: Please refer to mbusa's recall report for specific vehicle model details. An error in the communication module's sim card software can cause a mobile network connection failure, disabling the emergency call (ecall) system.

Why it matters: A disabled ecall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.

The fix: The communication module software will be updated through an over-the-air (ota) update or by a dealer, free of charge. Owner notification letters were mailed July 8, 2022. Owner notification letters will be mailed in phases, on July 8, 2022, May 17, 2024, July 29, 2024, and September 27, 2024.

Body & structure Vehicle recall #22V680000 · 2022 · 161,000 vehicles

What's wrong: Due to a manufacturing error, the rear door window trim bars May detach.

Why it matters: Detached trim bars May cause a road hazard and increase the risk of a crash or injury.

The fix: Dealers will inspect and secure the rear window trim bars, as necessary, free of charge. Owner notification letters were mailed November 1, 2022.

Seats Vehicle recall #22V732000 · 2022 · 59,574 vehicles

What's wrong: Due to a manufacturing error, the locks on the third-row seatbacks May fail in the event of a crash.

Why it matters: A seat with a seatback lock failure May not properly restrain occupants, increasing the risk of injury during a crash.

The fix: Dealers will inspect and replace the third-row seatback, as necessary, free of charge. Owner notification letters were mailed November 18, 2022.

Steering Vehicle recall #22V936000 · 2022 · 69 vehicles

What's wrong: The steering coupling locking screw May loosen and possibly detach from the steering gear, resulting in a loss of steering control.

Why it matters: A loss of steering control can increase the risk of a crash.

The fix: Dealers will replace the steering coupling locking screw, free of charge. Owner notification letters were mailed January 27, 2023.

Body & structure Vehicle recall #23V178000 · 2023 · 70,225 vehicles

What's wrong: The rear door window trim bars May detach from the vehicle while driving.

Why it matters: Detached trim bars May cause a road hazard and increase the risk of a crash or injury.

The fix: Dealers will inspect and secure the rear window trim bars, as necessary, free of charge. Owner notification letters were mailed May 5, 2023.

Fuel system Vehicle recall #23V445000 · 2023 · 143,551 vehicles

What's wrong: Please refer to mbusa's recall report for specific vehicle details. The fuel pump May shutdown, which can result in a loss of drive power.

Why it matters: A loss of drive power can increase the risk of a crash.

The fix: Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed on June 14, 2024.

Fuel system Vehicle recall #23V880000 · 2023 · 79,676 vehicles

What's wrong: Please refer to mbusa's recall report for specific vehicle details. The fuel pump May shutdown, causing a loss of drive power.

Why it matters: A loss of drive power can increase the risk of a crash.

The fix: Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed on June 28, 2024. Owner notification letters will be mailed in phases, on February 23, 2024, April 19, 2024, June 28, 2024, August 9, 2024, October 1, 2024, and December 2, 2024.

Transmission & drivetrain Vehicle recall #24V118000 · 2024 · 105,071 vehicles

What's wrong: The transmission May not fully downshift in certain conditions, causing the engine to stall.

Why it matters: An engine stall increases the risk of a crash.

The fix: Dealers will update the transmission control unit software, free of charge. Owner notification letters were mailed March 29, 2024.

Electrical Vehicle recall #24V207000 · 2024 · 116,020 vehicles

What's wrong: A 48-volt ground connection under the passenger seat May not be secured properly, resulting in the ground connection overheating.

Why it matters: An overheated ground connection can increase the risk of a fire.

The fix: Dealers will inspect and tighten the 48-volt ground connection as necessary, free of charge. Owner notification letters were mailed on May 3, 2024.

Most-reported problems

Owner complaints filed with NHTSA, by component. One complaint can list several components. 1 mention a fire, 0 injuries and 0 deaths were reported.

Other / unknown5
Electrical4
Forward collision avoidance4
Transmission & drivetrain4
Speed control / throttle3
Engine3
Brakes2
Fuel & propulsion2

What owners describe

The 2022 Mercedes-Benz Gls 450 4matic has 16 owner complaints, ranking #1 of 5 Gls 450 4matic model years for complaints (1.7× the average Gls 450 4matic year). Complaints peaked in 2026 (6 filed that year). The typical problem showed up when the car was about 2 years old, at a median of 25,100 miles. Neighboring years: 2023 (7 complaints, 5 recalls).

Engines & fuel economy (EPA)

EngineTransmissionDriveCityHwyComb.Fuel
3.0 L 6-cyl turbo hybridAutomatic 9-spd4-Wheel Drive182420Premium

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 2022 Mercedes-Benz Gls 450 4matic.

eManualOnline Download (PDF), keep forever

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Mitchell 1 DIY Online access, factory-level data

Pro-shop repair procedures, wiring diagrams and TSBs for your exact car.

From $19.99/mo · $39.99/yr
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ALLDATAdiy Online access, factory OEM info

OEM procedures, specs and recall/TSB info, the same source many shops use.

From $19.99/mo · $59.99/yr
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Haynes Print book or AllAccess online

Step-by-step photos written from a real teardown. Great for first-timers.

Books ~$30–$40 · AllAccess $34.99/mo
Check 2022 Mercedes-Benz Gls 450 4matic manual

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FAQ

Does the 2022 Mercedes-Benz Gls 450 4matic have any recalls?

Yes. NHTSA lists 10 vehicle recalls for the 2022 Mercedes-Benz Gls 450 4matic. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.

What are the most common 2022 Mercedes-Benz Gls 450 4matic problems?

Owners have filed 16 complaints with NHTSA. The most-reported areas are other / unknown (5), electrical (4), forward collision avoidance (4).

What gas mileage does the 2022 Mercedes-Benz Gls 450 4matic get?

EPA ratings run up to 20 mpg combined (3.0 L, Automatic 9-spd), across 1 engine and transmission combos.

Where can I get a 2022 Mercedes-Benz Gls 450 4matic repair manual?

eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.

Other Gls 450 4matic years

20222023202420252026