VehicleVerdict

2019 Mercedes-Benz Gls450 problems

Verdict · NHTSA data

Limited data — recalls on file

NHTSA has just 7 complaints on file for the 2019 Mercedes-Benz Gls450 — too few to judge reliability from owner reports alone — but 2 recall campaigns apply to this year, so any used example should have its VIN checked for completed recall work.

7

NHTSA complaints

2

Recalls

0

Investigations

2

Crash-involved

0

Fires reported

4

Injuries

0

Deaths

—

NCAP overall

How does 2019 compare to other Gls450 years?

Gls450 NHTSA complaints by model year, 2019 highlighted51 complaints2016: 0 complaints2017: 51 complaints2019: 7 complaints2020: 1 complaints2021: 41 complaints
Gls450 NHTSA complaints by model year, 2019 highlighted. Red bars are years to avoid.

See all Gls450 years to avoid →

What are the most common 2019 Mercedes-Benz Gls450 problems?

ComponentComplaintsShare
Airbags114%
Brakes114%
Electrical System114%
Engine114%
Fuel System114%
Other114%
Speed Control114%

Does the 2019 Mercedes-Benz Gls450 have recalls?

2 NHTSA recall campaigns on file. Recall repairs are free at franchised dealers.

22V365000OtherMay 20, 2022 · 242,722 units

Defect

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. 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.

Consequence

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.

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. Owner notification letters will be mailed in phases, on July 8, 2022, May 17, 2024, July 29, 2024, and September 27, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's numbers are for this recall is 2022060005 and 2023110006.

21V058000OtherFebruary 5, 2021 · 1,292,258 units

Defect

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. Please refer to the Part 573 report for specific vehicle model details. The software design of the communication module may fail to communicate the correct vehicle location for the emergency call system (eCall) in the event of a crash.

Consequence

Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.

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. MBUSA's number for this recall is 2021020025.

Consumer complaints filed with NHTSA

Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.

“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. THEN THE CAR LOST THE POWER IN THE MIDDLE LANE OFF FREEWAY. LUCKILY NO CARS…”

Complaint filed with NHTSA · Electrical System · December 3, 2019

“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. THEN THE CAR LOST THE POWER IN THE MIDDLE LANE OFF FREEWAY. LUCKILY NO CARS…”

Complaint filed with NHTSA · Engine · December 3, 2019

“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. THE DRIVER AND FRONT PASSENGER SUSTAINED INJURIES TO THE HEAD HOWEVER, MEDICAL ATTENTION WAS NOT SOUGHT. A POLICE REPORT…”

Complaint filed with NHTSA · Fuel System · January 23, 2021 · crash

“MERCEDES BENZ HAS GROSSLY MIS-REPRESENTED THE ACTIVE BRAKE SYSTEM FEATURE. THE OWNERS MANUAL LEAVES OUT A KEY ELEMENT, WHICH IS THAT THE DRIVERS FOOT NEEDS TO BE OFF THE PEDAL FOR THE FEATURE TO ACTIVATE. I.E. THE FEATURE WILL ONLY WORK WHEN THE DRIVER IS NOT PRESSING THE ACCELERATOR. THIS IS A…”

Complaint filed with NHTSA · Brakes · January 20, 2020

“MERCEDES BENZ HAS GROSSLY MIS-REPRESENTED THE ACTIVE BRAKE SYSTEM FEATURE. THE OWNERS MANUAL LEAVES OUT A KEY ELEMENT, WHICH IS THAT THE DRIVERS FOOT NEEDS TO BE OFF THE PEDAL FOR THE FEATURE TO ACTIVATE. I.E. THE FEATURE WILL ONLY WORK WHEN THE DRIVER IS NOT PRESSING THE ACCELERATOR. THIS IS A…”

Complaint filed with NHTSA · Speed Control · January 20, 2020

2019 Mercedes-Benz Gls450 — common questions

Is the 2019 Mercedes-Benz Gls450 reliable?

The record is thin — 7 NHTSA complaints — so owner-report data can't strongly confirm reliability either way, though 2 recalls should be verified as completed.

Does the 2019 Mercedes-Benz Gls450 have recalls?

Yes — NHTSA lists 2 recall campaigns affecting the 2019 Mercedes-Benz Gls450. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

Which Mercedes-Benz Gls450 years should you avoid?

Based on complaint rates and open investigations, the Gls450 years to avoid are 2017, 2021. The cleanest record among Gls450 years belongs to 2016.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.