2019 Mercedes-Benz GLS450

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2019 Mercedes-Benz GLS450
RENDERED 2026-09-17T02:56:49.942Z

Only 4 complaints on file — too few for a fair verdict.

This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.

Only 4 complaints on file — too few for a fair verdict. The data below is complete but unranked.

How is this computed?

COMPLAINTS PER YEAR

2019: 4 complaints

View as data table

Year	Complaints
2016	0
2017	35
2019	4
2020	1
2021	30

KNOWN PROBLEM AREAS

Only 4 complaints on file for this model year -- too few to rank by share. Raw counts only, below.

VEHICLE SPEED CONTROL

1 of 4 total reports mentions: vehicle speed control.

SERVICE BRAKES

1 of 4 total reports mentions: service brakes.

FUEL SYSTEM, GASOLINE

1 of 4 total reports mentions: fuel system, gasoline.

CRASH INJURY

Show complaint excerpts

TL* THE CONTACT OWNED A 2019 MERCEDES-BENZ GLS450. THE CONTACT STATED WHILE HIS WIFE WAS DRIVING 25 MPH, THE VEHICLE CRASHED INTO ANOTHER VEHICLE. THE AIR BAGS FAILED TO DEPLOY.

NHTSA ODI report, 20210129

Also filed under AIR BAGS

ENGINE

1 of 4 total reports mentions: engine.

Show complaint excerpts

DRIVING ON FREEWAY AT ̃75MPH TOWARD 202 W ARIZONA FREEWAY, DASHBOARD SHOWED A "ENGINE MALFUNCTION + 48 V BATTERY SEE OPERATOR'S MANUAL:. 1 MINUTE LATER ANOTHER ERROR ON SCREEN SAYING, COOLANT OFF TURN ENGINE OFF.

NHTSA ODI report, 20191211

ELECTRICAL SYSTEM

1 of 4 total reports mentions: electrical system, most commonly citing 12v/24v/48v battery.

SAFETY TIMELINE

R 20210312 — communication, electrical system

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles.

Remedy: MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. The recall began March 12, 2021. Owners may contact MBUSA customer service at 1-877-762-8267.

Campaign 21V058000 — check if this car was fixed

R 20220708 — communication, electrical system

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles.

Remedy: 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.

Campaign 22V365000 — check if this car was fixed

BUY-SMART CHECKLIST

2019 Mercedes-Benz GLS450 — pre-purchase inspection

Test/inspect for vehicle speed control issues (1 reports on file for this year).
Test/inspect for service brakes issues (1 reports on file for this year).
Test/inspect for fuel system, gasoline issues (1 reports on file for this year).
Verify recall 21V058000 (communication, electrical system) has been completed.
Verify recall 22V365000 (communication, electrical system) has been completed.

FAQ

Is the 2019 Mercedes-Benz GLS450 reliable?

There isn't enough NHTSA complaint data on file yet to give this model year a verdict.

What are the most common problems with the 2019 Mercedes-Benz GLS450?

The most-reported component is vehicle speed control, accounting for 25% of complaints on file.

How many recalls does the 2019 Mercedes-Benz GLS450 have?

2 recalls on file for this model year.

Data updated 2026-09-16 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.