The 2020 Mercedes-Benz G-Class is associated with 2 official NHTSA owner defect complaints and 8 safety recall campaigns in the federal safety database. The most frequently reported component area is Engine, accounting for 1 reports (50% of total complaints). EPA testing covers 2 certified vehicle configurations spanning 4l 8-cyl powertrain configurations. Gasoline and hybrid variants deliver 14 MPG combined. Detailed NHTSA crash-test ratings are not available in the current AutoUtility dataset for this model year. The 2020 Mercedes-Benz G-Class belongs to the 2nd generation (W463 2nd Gen) G-Class platform spanning model years 2019–2026.

Key Data Findings
  • NHTSA Owner Complaints: 2 reports
  • Safety Recall Campaigns: 8 campaigns
  • Top Reported Defect Area: Engine (1 / 50%)
  • NHTSA Overall Safety Rating: Not rated by NHTSA
  • EPA Efficiency: 14 MPG (2 variants)
Data Note: Compiled directly from official NHTSA Office of Defects Investigation (ODI), NHTSA 5-Star Safety Ratings, and EPA FuelEconomy.gov databases.
Fuel Economy
14MPG
2 EPA certified variants (4l 8-cyl powertrain configurations)
Reported Complaints
2
2 submitted owner reports
Safety Recalls
8
8 official NHTSA recalls
NCAP Safety Rating
Not rated by NHTSA

What is the fuel economy and range of the 2020 Mercedes-Benz G-Class?

Official EPA laboratory test ratings, electric driving range, and annual energy cost estimates by certified vehicle variant

Variant Engine Drivetrain Transmission City Highway Combined EV Range Est. Annual Fuel Cost
AMG G63 4L 8-Cyl 4-Wheel Drive Automatic 9-spd 13 MPG 15 MPG 14 MPG $5,450 / yr
G550 4L 8-Cyl 4-Wheel Drive Automatic 9-spd 13 MPG 17 MPG 14 MPG $5,450 / yr
Data Boundary Note: EPA specifications are shown by certified vehicle configuration. NHTSA complaints and recall totals are recorded at the model-year level across all configurations.

What are the crash test safety ratings for the 2020 Mercedes-Benz G-Class?

Official 5-Star Safety Ratings evaluated by the National Highway Traffic Safety Administration

Tested Drivetrain / Cab Variant Overall Rating Frontal Crash Side Crash Rollover Rating Rollover Risk
SUV 4WD
Active Driver Assistance Systems (NHTSA Recorded): Forward Collision Warning (FCW) is documented as Standard and Lane Departure Warning (LDW) is documented as No in official NHTSA records for tested 2020 Mercedes-Benz G-Class models.
View complete 2020 Mercedes-Benz G-Class crash test & safety breakdown →

What defect complaints are reported for the 2020 Mercedes-Benz G-Class?

Summary of 2 verified consumer defect submissions filed with the NHTSA Office of Defects Investigation (ODI)

Total Complaints
2
Crash Reports
0
Fire Reports
0
Complaints w/ Injury
0
Total Injuries
0

Top Reported Problem Categories

Ranked by total consumer complaint submissions recorded by NHTSA

Engine 1 complaint

Data Attribution & Context: Complaints are self-reported by vehicle owners to NHTSA and represent unverified consumer submissions. Complaint volume does not equal a statistically controlled failure rate and is not adjusted for total vehicles sold or cumulative mileage driven.

View all 2020 Mercedes-Benz G-Class problems & component breakdown (2 categories) →

Are there open safety recalls on the 2020 Mercedes-Benz G-Class?

Manufacturer safety recall campaigns monitored and recorded by NHTSA

NHTSA Campaign #24V659000 Active Recall
Affected Component: LATCHES/LOCKS/LINKAGES:DOORS:LOCK

Defect Summary: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2023 G 550 and 2019-2022 G63 AMG vehicles that received a replacement door latch during a service visit or prior recall repair. Components within the right-side rear door latch may prevent the rear doors from latching or opening properly.

Free Manufacturer Remedy: Dealers will replace the right-side rear door latches, free of charge. Owner notification letters were mailed October 11, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. Vehicles in this recall that were previously repaired under recall 21V-353 will need to have the new remedy completed.
NHTSA Campaign #23V097000 Active Recall
Affected Component: ELECTRICAL SYSTEM:WIRING

Defect Summary: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2021 G550 and AMG G63 vehicles. The front axle wiring harness may chafe against an oil cooler and become damaged, which can cause a loss of anti-lock brakes (ABS) and electronic stability control (ESC).

Free Manufacturer Remedy: Dealers will inspect and either install a protective sleeve or replace the front axle wiring harness, as necessary, free of charge. Owner notification letters were mailed April 10, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2023030005.
NHTSA Campaign #22V365000 Active Recall
Affected Component: ELECTRICAL SYSTEM:SOFTWARE

Defect 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.

Free Manufacturer 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.
View all 2020 Mercedes-Benz G-Class recalls & campaign history (8 campaigns) →
Official US Government Data Provenance

The specifications, safety ratings, defect reports, and recall campaigns published on this page are retrieved directly from official United States Government agency databases:

  • NHTSA Office of Defects Investigation (ODI): Consumer complaints and defect reports.
  • NHTSA New Car Assessment Program (NCAP): Frontal, side, and rollover 5-Star crash safety test ratings.
  • U.S. EPA / FuelEconomy.gov: Standardized multi-cycle dynamometer fuel economy, MPGe, and electric driving range ratings.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.