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2017 Mercedes-Benz GLS450: Problems, Recalls and MPG

What this means

NHTSA lists 8 recall campaigns for the 2017 Mercedes-Benz GLS450, most recently filed May 2022. Owners have filed 35 complaints with NHTSA, most often about the electrical system.

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.
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Recalls (8)

NHTSA lists 8 recall campaigns for the 2017 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.

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Listed for 2017 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 2017 Mercedes-Benz GLS450. Not checked against your VIN.
Recall 21V072000 Filed Feb 12, 2021

Emergency Call (eCall) Function May be Disabled

Communication
Official NHTSA text
Summary
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2019 C300, E300, 2018-2020 CLA250, 2020 CLS450, AMG E53, AMG GT53, GLE450, 2018 AMG E63, AMG GTA, 2017-2020 GLA250, GLC300, 2019 GLC350, AMG GLC43, 2017-2018 GLE350, 2019 AMG GLC 43, GLC350, GLE400, 2017 GLS450, S550, C300 Cabrio, and 2018-2019 S560 vehicles. On June 18, 2021, an additional 9 vehicles were added, including certain 2021 GLA250, GLC300, 2018 S450, E400, and 2017 CLA250 vehicles. The communication module might have been inadvertently deactivated during a service visit, which could have disabled the Emergency Call (eCall) function.
Consequence
A disabled eCall system would prevent a vehicle occupant from contacting emergency services through the call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.
Remedy
MBUSA will notify owners, and dealers will inspect the communication module and activate it, if necessary, free of charge. The recall began March 31, 2021. Letters for the owners of the 9 additional vehicles were mailed July 9, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021030005.
86.6% repairedof 67 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 21V072000
Listed for 2017 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
Listed for 2017 Mercedes-Benz GLS450. Not checked against your VIN.
Recall 19V787000 Filed Nov 1, 2019

Inaccurate Vehicle Location for Emergency Services

Communication
Official NHTSA text
Summary
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2013-2017 vehicles due to a software fault that may cause the date and time for the emergency call system (eCall) to differ from the actual date and time, potentially relaying an inaccurate vehicle location. For a full list of the affected models visit: https://static.nhtsa.gov/odi/rcl/2019/RMISC-19V787-4620.pdf
Consequence
An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.
Remedy
MBUSA has initiated an Over the Air (OTA) remote update. MBUSA will also notify owners, and dealers will check software for a successful OTA or update the communication module software as needed, free of charge. The recall began December 23, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019120008.
78.4% repairedof 24,226 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 19V787000
Listed for 2017 Mercedes-Benz GLS450. Not checked against your VIN.
Recall 18V272000 Filed Apr 27, 2018

Oil in Active Curve System may Leak

Suspension · front
Official NHTSA text
Summary
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2012-2014 ML350 Bluetec 4Matic and ML550 4Matic, 2012-2015 ML63 AMG 4Matic and ML350 4Matic, 2013-2016 GL350 Bluetec 4Matic, GL550 4Matic and GL63 AMG 4Matic, 2017 GLS350d 4Matic, GLS450 4Matic, GLS550 4Matic and GLS63 AMG 4Matic, 2015 ML400 4Matic, 2016 GLE400 4Matic, GLE350 4Matic, GLE63 AMG 4Matic, GLE63S AMG 4Matic, GLE450 4Matic Coupe and GLE63S AMG 4Matic Coupe, 2015-2016 GL450 4Matic and 2013-2014 GL450 4Matic vehicles equipped with the Active Curve System (ACS). In certain driving conditions, if the oil level in the ACS reservoir is below the minimum level, the oil may foam and leak out of the vent holes in the reservoir cap.
Consequence
The leaking oil in the presence of an ignition source can increase the risk of a fire.
Remedy
MBUSA will notify owners, and dealers will correct the oil level as necessary and replace the reservoir sealing cap to prevent oil foam from leaking out, free of charge. The recall began August 30, 2018. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018070015.
94% repairedof 9,725 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 18V272000
Listed for 2017 Mercedes-Benz GLS450. Not checked against your VIN.
Recall 17V816000 Filed Dec 18, 2017

Door May Not Lock/ FMVSS 206

Latches/locks/linkages · doors · latch
Official NHTSA text
Summary
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017 GLE400 4Matic, GLE350 4Matic, GLE350, GLE550e 4Matic, GLE43 AMG 4Matic, GLE63 AMG 4Matic, GLS450, GLE63S 4Matic, GLS63 4Matic, S550e, S600, S63 AMG 4Matic, S65 AMG, S550, Mercedes-Maybach S600, Mercedes-Maybach S550 4Matic, GLE43 AMG 4Matic Coupe, GLE63S 4Matic Coupe, 2017-2018 GLS550 4Matic, S550 4Matic, 2018 S450, and S63 AMG 4Matic vehicles. The rear passenger door on the driver side may indicate that it is locked, when it may not be. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 206, "Door Locks and Door Retention Components."
Consequence
If the door appears to be locked, the door may be unintentionally opened, increasing the risk of injury.
Remedy
MBUSA will notify owners, and dealers will inspect the left rear door lock, replacing it as necessary, free of charge. The recall is expected to begin in January 2018. Owners may contact MBUSA customer service at 1-877-496-3691.
92.6% repairedof 8,700 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 17V816000
Listed for 2017 Mercedes-Benz GLS450. Not checked against your VIN.
Recall 17V655000 Filed Oct 17, 2017

Excess Insulation Impairing Air Bag Deployment

Air bags · frontal · passenger side · inflator module
Official NHTSA text
Summary
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 GLE300d 4Matic, GLE400 4Matic, GLE350 4Matic, GLE63 AMG, GLE63 AMG Coupe, GLE63S AMG and GLE63S AMG Coupe, and 2017 GLS450 4Matic, GLE550 4Matic, and GLE63 AMG 4Matic vehicles. These vehicles may have excess bulkhead insulation extending into the lower windshield area, possibly affecting the windshield bonding and the full protective function of the passenger's frontal air bag in the event of a crash.
Consequence
If the passenger's frontal air bag does not function as designed in the event of a crash, the front seat passenger has an increased risk of injury.
Remedy
MBUSA will notify owners, and dealers will remove any excess bulkhead insulation and rework the windshield bonding, as necessary, free of charge. Interim owner letters will be mailed in December 2017. Owners will receive a second notice when the remedy is available in late January 2018. MBUSA's number for this recall is 2018020002. Owners may contact MBUSA customer service at 1-877-496-3691.
79.3% repairedof 3,620 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 17V655000
Listed for 2017 Mercedes-Benz GLS450. Not checked against your VIN.
Recall 17V077000 Filed Feb 8, 2017

Center Console may Open in a Crash/FMVSS 201

Latches/locks/linkages
Official NHTSA text
Summary
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017 GLE 400 4Matic, GLE 350 4Matic, GLE 350, GLE 550E 4Matic, GLE 63 AMG, GLE 63S AMG, GLE 43 AMG 4Matic Coupe, GLE 63S AMG 4Matic Coupe, GLS 450 4Matic, GLS 550 4Matic, and GLS 63 AMG 4Matic vehicles. In certain types of crash events, the center console may unlatch, allowing the objects within to fly around the cabin. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 201, "Occupant Protection in Interior Impact."
Consequence
In the event of a crash, if objects are not secured within the center console, they may strike the vehicle occupants, increasing their risk of injury.
Remedy
MBUSA will notify owners, and dealers will modify the center console so that it remains latched in a crash, free of charge. The recall is expected to begin in early March 2017. Owners may contact MBUSA customer service at 1-800-367-6372.
83.8% repairedof 5,882 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 17V077000

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Owner complaints (35)

35 complaints filed with NHTSA (owner reports, not verified findings). The electrical system is mentioned most often.

1involved a crash
6involved a fire
1injuries 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 2017 Mercedes-Benz GLS450, by component (top 10). One complaint can list several components, so these add up to more than 35.Source: NHTSA ODI owner complaints · Retrieved Oct 6, 2026 · Report a data error

How 2017 compares with other GLS450 years

Best and worst GLS450 years →
20172018201920202021
This year (2017)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 2017 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

2017 Mercedes-Benz GLS450 FAQ

How many recalls does the 2017 Mercedes-Benz GLS450 have?

NHTSA lists 8 recall campaigns: 22V365000 (electrical), 21V072000 (communication), 21V058000 (electrical), 19V787000 (communication), 18V272000 (suspension), 17V816000 (latch), 17V655000 (air bag), 17V077000 (latch). Use NHTSA's VIN lookup to see whether a specific car was repaired.

What are the most common 2017 Mercedes-Benz GLS450 problems?

Owners filed 35 complaints with NHTSA. Electrical system (8), Engine (8), Unknown or other (7) are mentioned most. These are owner reports, not verified findings.

How does the 2017 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 2017 drew 35. 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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