The 2023 Mercedes-Benz G-Class is associated with 6 official NHTSA owner defect complaints and 3 safety recall campaigns in the federal safety database. The most frequently reported component area is Fuel & Propulsion System, accounting for 2 reports (33% of total complaints). EPA testing covers 3 certified vehicle configurations spanning 4l 8-cyl powertrain configurations. Gasoline and hybrid variants deliver 11 to 14 MPG combined. Detailed NHTSA crash-test ratings are not available in the current AutoUtility dataset for this model year. The 2023 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: 6 reports
- • Safety Recall Campaigns: 3 campaigns
- • Top Reported Defect Area: Fuel & Propulsion System (2 / 33%)
- • Safety Incident Signals: 0 crash / 0 fire / 1 injury reports
- • NHTSA Overall Safety Rating: Not rated by NHTSA
- • EPA Efficiency: 11–14 MPG (3 variants)
Data Note: Compiled directly from official NHTSA Office of Defects Investigation (ODI), NHTSA 5-Star Safety Ratings, and EPA FuelEconomy.gov databases.
| Variant | Engine | Drivetrain | Transmission | City | Highway | Combined | EV Range | Est. Annual Fuel Cost |
| G550 | 4L 8-Cyl | 4-Wheel Drive | Automatic 9-spd | 13 MPG | 16 MPG | 14 MPG | — | $5,450 / yr |
| AMG G63 | 4L 8-Cyl | 4-Wheel Drive | Automatic 9-spd | 13 MPG | 16 MPG | 14 MPG | — | $5,450 / yr |
| AMG G 63 4x4 Squared | 4L 8-Cyl | 4-Wheel Drive | Automatic 9-spd | 10 MPG | 12 MPG | 11 MPG | — | $6,900 / 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.
| Tested Drivetrain / Cab Variant | Overall Rating | Frontal Crash | Side Crash | Rollover Rating | Rollover Risk |
| SUV 4WD | Not Rated | Not Rated | Not Rated | Not Rated | — |
Active Driver Assistance Systems (NHTSA Recorded): Forward Collision Warning (FCW) is documented as Standard and Lane Departure Warning (LDW) is documented as Standard in official NHTSA records for tested 2023 Mercedes-Benz G-Class models.
View complete 2023 Mercedes-Benz G-Class crash test & safety breakdown →
Top Reported Problem Categories
Ranked by total consumer complaint submissions recorded by NHTSA
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 2023 Mercedes-Benz G-Class problems & component breakdown (5 categories) →
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.
Affected Component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
Defect Summary: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 AMG G 63 and 2023 G 550 vehicles. The air-conditioning system may not have been filled with the correct refrigerant.
Free Manufacturer Remedy: Dealers will replace the air-conditioning refrigerant, free of charge. Owner notification letters were mailed April 12, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2024030016.
Affected Component: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
Defect Summary: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2024 GLE, GLS, C-Class, E-Class, S-Class, SL, GLC, CLS, AMG GT, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle details. The fuel pump may shutdown, causing a loss of drive power.
Free Manufacturer Remedy: Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed on June 28, 2024. Owner notification letters will be mailed in phases, on February 23, 2024, April 19, 2024, June 28, 2024, August 9, 2024, October 1, 2024, and December 2, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of NHTSA recall number 23V-445.
View all 2023 Mercedes-Benz G-Class recalls & campaign history (3 campaigns) →