Independent · Not affiliated with NHTSA or any automaker MethodologyData sourcesData refreshed Oct 6, 2026

2019 Mercedes-Benz GLS450: Problems, Recalls and MPG

What this means

NHTSA lists 3 recall campaigns for the 2019 Mercedes-Benz GLS450, most recently filed March 2024. Owners have filed 24 complaints with NHTSA, most often about the unknown or other.

Data summary generated from official records. Methodology Data: NHTSA, DOT, EPA · Refreshed Oct 6, 2026
Caution Fewer than 50 complaints filed. With this few reports, patterns may not be meaningful.
Compare

Recalls (3)

NHTSA lists 3 recall campaigns for the 2019 Mercedes-Benz GLS450. Check whether yours was repaired with NHTSA's free VIN lookup ↗

Only NHTSA and your automaker know whether your specific car was repaired. PlainVIN shows every recall campaign listed for a model year, with the official text and how many cars have been fixed so far.

Check on NHTSA ↗
Listed for 2019 Mercedes-Benz GLS450. Not checked against your VIN.
Recall 24V207000 Filed Mar 15, 2024

Improperly Secured 48-Volt Ground Connection

Electrical system · wiring
Official NHTSA text
Summary
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2024 GLE 350, 2020-2024 GLE 450, 2020-2023 GLS 580, GLE 580, 2019-2023 GLS 450, 2021-2023 Maybach GLS 600, AMG GLS 63, 2021-2024 AMG GLE 53, AMG GLE 53 Coupe, and AMG GLE 63 S vehicles. A 48-Volt ground connection under the passenger seat may not be secured properly, resulting in the ground connection overheating.
Consequence
An overheated ground connection can increase the risk of a fire.
Remedy
Dealers will inspect and tighten the 48-Volt ground connection as necessary, free of charge. Owner notification letters were mailed on May 3, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2024040002.
84.2% repairedof 116,020 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA or ask a dealer to check campaign 24V207000
Listed for 2019 Mercedes-Benz GLS450. Not checked against your VIN.
Recall 22V365000 Filed May 20, 2022

Disabled Emergency Call System

Communication · auto crash notification
Official NHTSA text
Summary
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.
90.6% repairedof 242,722 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA or ask a dealer to check campaign 22V365000
Listed for 2019 Mercedes-Benz GLS450. Not checked against your VIN.
Recall 21V058000 Filed Feb 5, 2021

Inaccurate Vehicle Location for Emergency Services

Communication · auto crash notification
Official NHTSA text
Summary
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.
95.3% repairedof 1,292,258 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA or ask a dealer to check campaign 21V058000

PlainVIN shows public government records for education. It isn't a vehicle inspection or legal advice. Check your own VIN with NHTSA or your dealer.

Owner complaints (24)

24 complaints filed with NHTSA (owner reports, not verified findings). The unknown or other is mentioned most often.

1involved a crash
1involved a fire
2injuries reported
0deaths reported

As reported by owners in their complaints. These are reports, not NHTSA findings.

Most-reported components

Complaints filed with NHTSA for the 2019 Mercedes-Benz GLS450, by component (top 10). One complaint can list several components, so these add up to more than 24.Source: NHTSA ODI owner complaints · Retrieved Oct 6, 2026 · Report a data error

How 2019 compares with other GLS450 years

Best and worst GLS450 years →
20172018201920202021
This year (2019)Other yearsStill collecting reports

Counts are owner reports, not failure rates. Higher sales years tend to draw more reports. Owners are still filing reports for recent model years, so these counts will grow. Source: NHTSA ODI, retrieved Oct 6, 2026.

Used blue SUV on a sunny dealer lot with its hood open and a clipboard on the fender

Looking at a 2019 GLS450 for sale?

Print a one-page buyer's checklist: each recall campaign with a box to tick when the seller shows proof of repair, the top complaint areas to inspect, crash stars, MPG, and a link back to this page.

All GLS450 years

Where to next

2019 Mercedes-Benz GLS450 FAQ

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

NHTSA lists 3 recall campaigns: 24V207000 (electrical), 22V365000 (electrical), 21V058000 (electrical). Use NHTSA's VIN lookup to see whether a specific car was repaired.

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

Owners filed 24 complaints with NHTSA. Unknown or other (6), Electrical system (3), Engine (3) are mentioned most. These are owner reports, not verified findings.

How does the 2019 GLS450 compare with other years?

Among the 2017–2021 Mercedes-Benz GLS450 model years at least five years old, the 2018 drew the fewest complaints (14) and the 2020 the most (36). The 2019 drew 24. Counts are owner reports, not failure rates.

How this page was madeSources, processing, limits, review and changes

Processing

  • Complaints are counted per component. One complaint can list several, so component totals add up to more than the total.
  • Fuel cost = miles per year ÷ EPA combined mpg × EIA weekly price for your region.

Limitations

  • Complaint counts are owner reports, not verified findings or failure rates. There is no sales denominator.
  • Recall campaigns are listed for the model year. Only NHTSA and the automaker know whether a specific car was repaired.
  • Recent model years are still collecting reports.

Review

Data compiled automatically from the official files listed here.

Changelog

  • 2026-10-06 Data refreshed from the official files.
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