2023 Mercedes-Benz G-Class
The Verdict
Worst problem area
Fuel System
Fuel System leads by volume: 3 of 6 complaints (50%) mention it.
Complaints filed rose from 4 in 2022 to 6 in 2023.
Data last changed . Sources: NHTSA complaints and recalls, EPA fuel economy data. Methodology
Cost, Fuel Economy & Complaint History
| Category | 2021 | 2022 | 2023 | 2024 | 2025 | vs. 2023 Standard Sport Utility Vehicle 4WD |
|---|---|---|---|---|---|---|
| Annual fuel cost ($) | 4,300–5,550 | 4,850–5,550 | 5,550–7,050 | 5,550–7,050 | 4,300–5,150 | |
| Combined MPG | 14–18 | 14–16 | 11–14 | 11–14 | 15–18 | |
| City / Highway MPG | 13–17 / 16–19 | 13–14 / 16–17 | 10–13 / 12–16 | 10–13 / 12–16 | 14–17 / 16–19 | |
| CO₂ tailpipe (g/mi) | 494–637 | 569–624 | 617–817 | 617–817 | 490–608 | |
| Complaints filed | 7 | 4 | 6 | 0 | 5 | |
| Recalls issued | 8 | 6 | 5 | 0 | 3 | |
| Crash-involved complaints | 1 | 0 | 0 | 0 | 0 | |
| Fire-involved complaints | 1 | 0 | 0 | 0 | 0 | |
| Injuries reported | 15 | 0 | 1 | 0 | 2 | |
| Deaths reported | 0 | 0 | 0 | 0 | 0 | |
| Configurations compared | 2 | 2 | 3 | 3 | 2 |
Not compared: this database has no vehicle sales or registration figures, so a raw count mostly reflects how many were sold, not how safe the vehicle is.
Common questions
How many recalls does the 2023 Mercedes-Benz G-Class have?
5 NHTSA recall campaigns as of Sep 16, 2026. Check your VIN with NHTSA to see whether one applies to your car.
What is the most common complaint about the 2023 Mercedes-Benz G-Class?
Fuel System: 3 of 6 NHTSA complaints (50%) mention it.
What gas mileage does the 2023 Mercedes-Benz G-Class get?
EPA rates it 11–14 MPG combined across 3 configurations.
How much does it cost to fuel a 2023 Mercedes-Benz G-Class?
EPA estimates $5,550–$7,050 a year in fuel costs, using EPA's assumptions.
Similar Vehicles
EPA-Rated Configurations (3)
| Configuration | Transmission | Cylinders | Displacement | Drivetrain | Fuel Type | Vehicle Class | City | Highway | Combined | Annual Fuel Cost | CO₂ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Configuration 1 | Automatic 9-spd | 8 | 4.0L | 4-Wheel Drive | Premium | Standard Sport Utility Vehicle 4WD | 13 mpg (high) | 16 mpg (high) | 14 mpg (high) | $5,550 (low) | 617 g/mi (low) |
| Configuration 2 | Automatic 9-spd | 8 | 4.0L | 4-Wheel Drive | Premium | Standard Sport Utility Vehicle 4WD | 13 mpg (high) | 16 mpg (high) | 14 mpg (high) | $5,550 (low) | 621 g/mi |
| Configuration 3 | Automatic 9-spd | 8 | 4.0L | 4-Wheel Drive | Premium | Standard Sport Utility Vehicle 4WD | 10 mpg (low) | 12 mpg (low) | 11 mpg (low) | $7,050 (high) | 817 g/mi (high) |
Complaints by Category
| Category | Complaints | Crash-Involved | Fire-Involved | Injuries | Deaths |
|---|---|---|---|---|---|
| Engine | 2 | 0 | 0 | 0 | 0 |
| Transmission & Drivetrain | 1 | 0 | 0 | 0 | 0 |
| Fuel System | 3 | 0 | 0 | 0 | 0 |
| Electrical | 0 | 0 | 0 | 0 | 0 |
| Brakes | 0 | 0 | 0 | 0 | 0 |
| Steering | 0 | 0 | 0 | 0 | 0 |
| Suspension, Wheels & Tires | 0 | 0 | 0 | 0 | 0 |
| Airbags & Restraints | 0 | 0 | 0 | 0 | 0 |
| Driver Assistance & Speed Control | 0 | 0 | 0 | 0 | 0 |
| Body, Seats & Latches | 0 | 0 | 0 | 0 | 0 |
| Visibility & Lighting | 0 | 0 | 0 | 0 | 0 |
| Other | 2 | 0 | 0 | 1 | 0 |
A complaint that names more than one category is counted in each, so the rows can add up to more than the total number of complaints.
Recalls (5)
LATCHES/LOCKS/LINKAGES:DOORS:LOCK · Campaign 24V659000 · Sep 10, 2024
Defect: 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.
Consequence: The rear door may appear closed even when the latch is not fully engaged, allowing the door to open while driving and increasing the risk of injury or a crash. Damaged latch components may prevent the rear door from being opened while inside the vehicle, increasing the risk of injury.
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.
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM · Campaign 24V170000 · Mar 4, 2024
Defect: 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.
Consequence: In the event of a crash, the incorrect refrigerant may leak and increase the risk of a fire.
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.
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP · Campaign 23V880000 · Dec 26, 2023
Defect: 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.
Consequence: A loss of drive power can increase the risk of a crash.
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.
POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT · Campaign 23V851000 · Dec 18, 2023
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 AMG G63 special edition 4x4² (squared) vehicles. The rear axle differential housing may develop cracks, possibly resulting in oil leaking onto the roadway or axle failure.
Consequence: Oil leaking onto the roadway may cause a road hazard for following traffic. Rear axle failure can result in a sudden loss of handling or drive power. Either of these conditions can increase the risk of a crash.
Remedy: Owners are advised not to drive their vehicles until the repair has been performed. Towing to an authorized Mercedes-Benz dealer may be necessary. Owner notification letters were mailed on June 28, 2024. Owner notification letters will be mailed in phases, on June 28, 2024, August 9, 2024, August 23, 2024, and September 25, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2024040012/050005. This recall expands and replaces previous recall number 22V-937. Vehicles previously repaired under recall 22V-937 will need to have the new remedy completed.
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP · Campaign 23V445000 · Jun 26, 2023
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2023 C-Class, E-Class, S-Class, CLS, SL, GT, GLC, GLE, GLS, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle details. The fuel pump may shutdown, which can result in a loss of drive power.
Consequence: A loss of drive power can increase the risk of a crash.
Remedy: Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed on June 14, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2023070012.