YearToAvoid

2020 Mercedes-Benz Gle450 Problems, Recalls & Reliability

Verdict

Caution

Complaint Index

67/100

#3 most-complained of 7 Gle450 years

Based on NHTSA complaints per model-year, not a reliability rating. Methodology

The 2020 Mercedes-Benz Gle450 has 26 owner complaints and 32 safety recalls on file with NHTSA. Its Complaint Index is 67 out of 100 — #3 highest of 7 Gle450 model years (verdict: Caution). The most reported problem area is electrical system (15 complaints, 58% of the total).

Complaints
26
Recalls
32
Crashes / fires
0 / 0
Injuries / deaths
0 / 0
NHTSA overall rating
Not rated
EPA combined MPG
21
19 city / 24 hwy

Top 2020 Mercedes-Benz Gle450 problems

NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.

  1. Electrical System15 (58%)
  2. Engine13 (50%)
  3. Other4 (15%)
  4. Collision Avoidance & Cameras3 (12%)
  5. Structure & Body2 (8%)
  6. Suspension, Wheels & Tires2 (8%)
  7. Airbags1 (4%)
  8. Fuel System1 (4%)
  9. Lane Departure1 (4%)
  10. Seat Belts1 (4%)
2020 Mercedes-Benz Gle450 complaints: complaints filed per month3Jul 2019Nov 2020Jan 2022Oct 2022Apr 2024Mar 2025Feb 2026
45 complaints filed with NHTSA from Jul 2019 to Apr 2026; peak Nov 2020 (3).

2020 Mercedes-Benz Gle450 recalls

32 NHTSA recall campaigns list this model year.

  1. NHTSA 24V207000Mar 15, 2024Electrical System116,020 vehicles

    Electrical system:wiring

    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.

    Risk: 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.

  2. NHTSA 24V118000Feb 16, 2024Transmission & Powertrain105,071 vehicles

    Power train:automatic transmission:control module:software

    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.

    Risk: An engine stall increases the risk of a crash.

    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.

  3. NHTSA 23V177000Mar 17, 2023HVAC61,450 vehicles

    Visibility:defroster/defogger/HVAC system

    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. The air conditioner drain hoses may have been incorrectly installed, causing water to drain into the passenger compartment.

    Risk: Water intrusion into the foot wells may cause corrosion and/or short circuits to electrical components, increasing the risk of fire. In addition, the emergency call (eCall) feature may be disabled and the doors may not unlock, increasing the risk of injury. Also, the engine may not start or may enter a limp-home mode, increasing the risk of a crash.

    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. This recall is an expansion of recall numbers 21V-288 and 19V-587. MBUSA's numbers for this recall are 2023030014 and 15.

See all 32 recalls for the 2020 Mercedes-Benz Gle450 →

2020 Mercedes-Benz Gle450 fuel economy and fuel cost

City
19 MPG
Highway
24 MPG
Combined
21 MPG
Annual fuel cost (EPA)
$3,800
15,000 mi/yr
Fuel
Premium
Current regular gas
$4.32/gal
national avg.

EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.

2020 compared with other Gle450 years

Complaint Index by model year (0 = fewest issues, 100 = most)02550751002016201720202021202220232024
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2016Avoid83251120
2017No verdict001—
2020Caution67263221
2021Caution33151723
2022Caution50141122

All Mercedes-Benz Gle450 years: best and worst →

Frequently asked questions

Is the 2020 Mercedes-Benz Gle450 a reliable year?
Judged by NHTSA owner complaints and recalls, the 2020 Mercedes-Benz Gle450 ranks #3 of 7 among Gle450 model years (Complaint Index 67/100, verdict: Caution). It has 26 complaints and 32 recalls on file. This reflects reported safety-related problems, not an overall reliability rating.
What are the most common problems with the 2020 Mercedes-Benz Gle450?
The most reported problem areas are electrical system (15 complaints), engine (13 complaints), and collision avoidance & cameras (3 complaints). The median mileage at the time of failure in complaints that report it is 5,950 miles.
Does the 2020 Mercedes-Benz Gle450 have any recalls?
Yes — NHTSA lists 32 recall campaigns for the 2020 Mercedes-Benz Gle450, most recently reported 2024, covering electrical system, transmission & powertrain, hvac, and structure & body.
What is the fuel economy of the 2020 Mercedes-Benz Gle450?
EPA rates the 2020 Mercedes-Benz Gle450 at 21 MPG combined (19 city / 24 highway), with an estimated annual fuel cost of $3,800. Where several configurations exist, the median is shown.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.