2020 Mercedes-Benz GLS 450

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2020 Mercedes-Benz GLS 450
RENDERED 2026-08-02T12:03:46.487Z

Not enough comparison years on file yet 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.

How is this computed?

COMPLAINTS PER YEAR

Complaints per year, Mercedes-Benz GLS 450 Bar chart of distinct NHTSA complaints filed per model year, 2020 highlighted. 2018: 14 complaints 2018 2019: 18 complaints 2019 2020: 35 complaints 2020 2022: 14 complaints 2022 2023: 7 complaints 2023 2024: 14 complaints 2024
2020: 35 complaints
View as data table
YearComplaints
201814
201918
202035
202214
20237
202414

KNOWN PROBLEM AREAS

ELECTRICAL SYSTEM 51%

51% of complaints: electrical system — 18 distinct reports on file.

CRASH FIRE
ENGINE 26%

26% of complaints: engine — 9 distinct reports on file.

FIRE
FUEL/PROPULSION SYSTEM 17%

17% of complaints: fuel/propulsion system — 6 distinct reports on file.

FIRE
POWER TRAIN 11%

11% of complaints: power train — 4 distinct reports on file.

FORWARD COLLISION AVOIDANCE 9%

9% of complaints: forward collision avoidance — 3 distinct reports on file.

SAFETY TIMELINE

R 20190906 — equipment

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 GLE350, GLE350 4MATIC, GLS450 4MATIC, and GLE450 4MATIC vehicles.

Remedy: MBUSA will notify owners, and dealers will inspect and correct the air conditioner drain hoses, as necessary, free of charge. The recall began September 6, 2019. Owners may contact MBUSA customer service at 1-800-367-6372.

Campaign 19V587000 — check if this car was fixed

R 20200717 — structure

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 GLE350, GLE450 AND GLS450 vehicles. The seams on the rear crossmember may have been insufficiently welded.

Remedy: MBUSA will notify owners, and dealers will replace the rear crossmember, free of charge. The recall began July 17, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020060013.

Campaign 20V172000 — check if this car was fixed

R 20201020 — suspension

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 GLE450, GLS450, and GLS580 vehicles. The sealing of the piston assembly in the front struts and rear shock absorbers may leak and fail prematurely.

Remedy: MBUSA will notify owners, and dealers will replace the front strut assemblies and rear shock absorbers, free of charge. The recall began October 20, 2020. Owners may contact MBUSA customer service at 1-800-367-6372.

Campaign 20V329000 — check if this car was fixed

R 20201113 — electrical system, exterior lighting, steering, visibility

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 GLE 350, GLE 450, GLE 580, GLS 450, GLS 580 vehicles equipped with an optional illuminated Mercedes-Benz star logo in the front grill.

Remedy: MBUSA will notify owners, and dealers will relocate the ground connection, free of charge. The recall began November 13, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020100015/6.

Campaign 20V626000 — check if this car was fixed

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 20210331 — electronic stability control (esc)

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2021 GLE450, GLE350, and 2020 GLS450, GLE580, GLS580 vehicles.

Remedy: MBUSA will notify owners, and dealers will update the ESP software, free of charge. The recall began March 31, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021030004.

Campaign 21V071000 — check if this car was fixed

R 20210416 — structure

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020 GLS 450, GLE 350, GLE 450, and 2021 AMG GLE53 vehicles. The dashboard surface may not be properly secured to the base material.

Remedy: MBUSA will notify owners, and dealers will replace the dashboard, free of charge. The recall began April 16, 2021. Owners may contact MBUSA customer serviced at 1-800-367-6372. MBUSA's number for this recall is 2021030003.

Campaign 21V057000 — check if this car was fixed

R 20210604 — equipment

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 AMG GLE 53, 2020 GLE350, GLE450, GLE580, GLS450, and GLS580 vehicles.

Remedy: Dealers will inspect and correct the air conditioner drain hoses, as necessary, free of charge. Owner notification letters were mailed June 4, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.

Campaign 21V288000 — check if this car was fixed

R 20210628 — back over prevention, electrical system

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2021 CLA-Class, GLE/GLS-Class, A-Class, E-Class, E-Class Coupe and Convertible, GLA/GLB-Class, GLC-Class, CLS-Class, and AMG GT-Class 4-door Coupe vehicles.

Remedy: The multimedia system software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed beginning June 28, 2021. Owners may contact MBUSA customer service at 1-800-367-6373.

Campaign 21V354000 — check if this car was fixed

R 20211208 — seats

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020 GLS450, GLS580, GLE350, GLE450, AMG C63, and 2021 AMG GLE53 vehicles. The seats may have been assembled incorrectly.

Remedy: Dealers will inspect and repair the seats, as necessary, free of charge. Owner notification letters are expected to be mailed December 8, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.

Campaign 21V818000 — check if this car was fixed

R 20220422 — fuel system, gasoline

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019 AMG G63, C300, E300, G550, AMG GT63, AMG GT53, 2019-2020 A220, GLA250, GLC300, 2016 C300, 2020 AMG A35, AMG C43, AMG C63, CLA250, E350, E450, GLB250, GLE450, GLS450, GLS580, S560, and SL550...

Remedy: Dealers will replace the fuel rail and fuel injectors, free of charge. Owner notification letters were mailed April 22, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for the recall is 2022030003.

Campaign 21V961000 — check if this car was fixed

R 20220708 — electrical system

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2022 GLE450, GLS450, 2021-2022 AMG GLE53, 2020-2021 GLE580, GLS580, 2021 AMG GLE63, Maybach GLS600 and AMG GLS63 vehicles.

Remedy: Dealers will inspect and tighten the ground cable bolt, as necessary, free of charge. Owner notification letters were mailed July 8, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022040017.

Campaign 22V231000 — 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

R 20220715 — back over prevention

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018-2021 CLA-Class, GLE/GLS-Class, A-Class, C-Class, E-Class, E-Class Coupe/Convertible, GLA/GLB-Class, GLC-Class, and CLS-Class vehicles.

Remedy: Dealers will update the rearview camera software, free of charge. Owner notification letters were mailed July 15, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022060007.

Campaign 22V232000 — check if this car was fixed

R 20220822 — air bags

Mercedes-Benz, LLC (MBUSA) is recalling certain 2020 Mercedes-Benz GLS 450 and GLS 580 vehicles. The front air bag wiring harness may be routed incorrectly, which can cause the air bag not to deploy properly.

Remedy: Dealers will correct the wiring harness routing, free of charge. Owners notification letters were mailed August 22, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022070006.

Campaign 22V466000 — check if this car was fixed

R 20221101 — structure

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2022 GLE350, GLE450, GLS450, 2021-2022 AMG GLE53, 2020-2021 GLE580, GLS580, and 2021 GLE400e, AMG GLS63, AMG GLE63 S, and Maybach GLS600 vehicles.

Remedy: Dealers will inspect and secure the rear window trim bars, as necessary, free of charge. Owner notification letters were mailed November 1, 2022. Owners may contact MBUSA customer service at 1-800-367-6372.

Campaign 22V680000 — check if this car was fixed

R 20221118 — seats

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 AMG GLS63, 2020-2022 GLS450 and GLS580 vehicles. Due to a manufacturing error, the locks on the third-row seatbacks may fail in the event of a crash.

Remedy: Dealers will inspect and replace the third-row seatback, as necessary, free of charge. Owner notification letters were mailed November 18, 2022. Owners may contact MBUSA customer service at 1-800-367-6372.

Campaign 22V732000 — check if this car was fixed

R 20230428 — visibility

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2021 GLE350, GLE450, GLS450, GLS580, 2021 AMG GLE53, AMG GLE63, Maybach GLS600, AMG GLS63, and 2020 GLE580 vehicles.

Remedy: Dealers will inspect and reinstall the air conditioner drain hoses, as necessary, free of charge. Owner notification letters were mailed April 28, 2023. Owners may contact MBUSA customer service at 1-800-367-6372.

Campaign 23V177000 — check if this car was fixed

R 20240329 — power train

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2023 GLE 450 and GLS 450 vehicles. The transmission may not fully downshift in certain conditions, causing the engine to stall.

Remedy: Dealers will update the transmission control unit software, free of charge. Owner notification letters were mailed March 29, 2024. Owners may contact MBUSA customer service at 1-800-367-6372.

Campaign 24V118000 — check if this car was fixed

R 20240503 — electrical system

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.

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.

Campaign 24V207000 — check if this car was fixed

BUY-SMART CHECKLIST

2020 Mercedes-Benz GLS 450 — pre-purchase inspection

  • Test/inspect for electrical system issues (18 reports on file for this year).
  • Test/inspect for engine issues (9 reports on file for this year).
  • Test/inspect for fuel/propulsion system issues (6 reports on file for this year).
  • Verify recall 19V587000 (equipment) has been completed.
  • Verify recall 20V172000 (structure) has been completed.
  • Verify recall 20V329000 (suspension) has been completed.
  • Verify recall 20V626000 (electrical system, exterior lighting, steering, visibility) has been completed.
  • Verify recall 21V058000 (communication, electrical system) has been completed.
  • Verify recall 21V071000 (electronic stability control (esc)) has been completed.
  • Verify recall 21V057000 (structure) has been completed.
  • Verify recall 21V288000 (equipment) has been completed.
  • Verify recall 21V354000 (back over prevention, electrical system) has been completed.
  • Verify recall 21V818000 (seats) has been completed.
  • Verify recall 21V961000 (fuel system, gasoline) has been completed.
  • Verify recall 22V231000 (electrical system) has been completed.
  • Verify recall 22V365000 (communication, electrical system) has been completed.
  • Verify recall 22V232000 (back over prevention) has been completed.
  • Verify recall 22V466000 (air bags) has been completed.
  • Verify recall 22V680000 (structure) has been completed.
  • Verify recall 22V732000 (seats) has been completed.
  • Verify recall 23V177000 (visibility) has been completed.
  • Verify recall 24V118000 (power train) has been completed.
  • Verify recall 24V207000 (electrical system) has been completed.

FAQ

Is the 2020 Mercedes-Benz GLS 450 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 2020 Mercedes-Benz GLS 450?

The most-reported component is electrical system, accounting for 51% of complaints on file.

How many recalls does the 2020 Mercedes-Benz GLS 450 have?

20 recalls on file for this model year.

Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.