2019 Mercedes-Benz GLS-Class reliability
Owners have filed 28 complaints with NHTSA about the 2019 Mercedes-Benz GLS-Class over 8 years — 2 per year. That is fewer complaints per year than most GLS-Class years here — under the median of the other years, which is 3. NHTSA has no recalls on file for this model year.
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The complaints owners file most often name Suspension (5 of 28), then Engine (4) and Engine and engine cooling (4). Those filings include 1 that reports a crash, 2 that report a fire, and 1 that reports an injury.
The 2018 GLS-Class has 22 complaints, 3 per year, and the 2020 has 38 complaints, 4 per year. The 2019 has fewer complaints per year than the 2018. The 2019 has fewer complaints per year than the 2020.
The complaint rate is complaints filed in this year’s first 3 years on the road, divided by however many of those years have passed. Recalls are a separate count. The numbers are for the US-market 2019 Mercedes-Benz GLS-Class. How we count. Data as of .
Recalls (0)
No recalls on file with NHTSA for this model year.
Complaints by component (28 total)
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Complaints filed per year
Excerpts from recent NHTSA complaint filings
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"The contact owns a 2019 Mercedes-Benz GLS450 4Matic. The contact stated that vehicle was taken to the dealer for routine service, and it was discovered that the U-joint on front driveshaft was fractured and needed to be…"
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"the vehicle suffered a sudden and catastrophic engine failure while being driven on the freeway at about 60mph. The engine seized and the vehicle lost propulsion creating a serious safety concern"
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"The front vehicle hood keep saying it open but is lock keep getting a message saying is open I am afraid is might come out lock and cause me to an accident"
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"I am reporting a serious safety defect in my 2019 Mercedes-Benz GLS450. My vehicle experienced low oil pressure warnings and engine warning lights, which were diagnosed as a faulty oil pump solenoid valve. The repair…"
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"When I attempt to shift from park to to drive or reverse or even neutral the car wont respond. this has happened a couple of times in the last two months. I press on the brake in order to shift and it wont respond to…"
NHTSA crash ratings
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2019 Mercedes-Benz GLS-Class SUV 4WD | Not rated | Not rated | Not rated | Not rated |
Stars are how this vehicle did in NHTSA crash tests. They are a safety result, separate from the complaint record. Not rated means that test was not run for this version.
Specs and fitment
Known issues for this generation
Recall 17V-241 covers certain 2016-2017 GLE and GLS vehicles (and related models) where the electric power-steering connector may be insufficiently sealed against water; moisture can deactivate power assist. The campaign lists 58,323 vehicles across those platforms; dealers replace the connector and inspect the steering rack. Recall 18V-272 also includes certain 2017 GLS350d, GLS450, GLS550, and GLS63 AMG 4Matic vehicles for power-steering reservoir oil-foam leakage among a larger ML/GL population (9,725 vehicles).
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Frequently asked questions
Is the 2019 Mercedes-Benz GLS-Class reliable?
Owners have filed 28 complaints with NHTSA about the 2019 Mercedes-Benz GLS-Class over 8 years — 2 per year. That is fewer complaints per year than most GLS-Class years here — under the median of the other years, which is 3. NHTSA has no recalls on file for this model year.
What are common problems with a 2019 Mercedes-Benz GLS-Class?
The complaints owners file most often name Suspension (5 of 28), then Engine (4) and Engine and engine cooling (4). Those filings include 1 that reports a crash, 2 that report a fire, and 1 that reports an injury.
Is the 2019 Mercedes-Benz GLS-Class more reliable than the years next to it?
The 2018 GLS-Class has 22 complaints, 3 per year, and the 2020 has 38 complaints, 4 per year. The 2019 has fewer complaints per year than the 2018. The 2019 has fewer complaints per year than the 2020.
Has the 2019 Mercedes-Benz GLS-Class been recalled?
NHTSA has no recalls on file for the 2019 Mercedes-Benz GLS-Class.
How many complaints have owners filed about the 2019 Mercedes-Benz GLS-Class?
Owners have filed 28 complaints about the 2019 Mercedes-Benz GLS-Class with NHTSA.
What oil does a Mercedes-Benz GLS-Class take?
X166 GLS 450 lists 0W-30/0W-40/5W-30/5W-40 (~7.4 qt); X167 GLS 450 lists 0W-40 or 5W-40 (~9 qt). Verify the MB sheet on the container.
What does recall 24V-118 cover on the GLS?
Certain 2020-2023 GLE 450 and GLS 450 vehicles: the transmission may not fully downshift in certain situations—see the NHTSA campaign for the remedy.
Which GLS generations does this site track?
X166 (2016-2019) and X167 (2020-on).