Mercedes-Benz · 2023
EQS 450 4matic (SUV)
✓ EPA Verified
Electric Vehicle
Standard Sport Utility Vehicle 4WD
All-Wheel Drive
City
79
MPGe
Combined
78
MPGe
Highway
77
MPGe
Annual Fuel Cost
$950
Based on 15,000 miles/year · EPA estimates
vs avg gas vehicle
$1,200
saved per year
Class Comparison — Standard Sport Utility Vehicle 4WD
Top 10%
Better than 90 out of 100 vehicles in its class for fuel efficiency.
This vehicle: 78 MPGe
This vehicle
78 MPGe
Class average
27 MPGe
Class lowest
11 MPGe
EPA Energy & Environment Scores
10
Energy Score
Out of 10
10
GHG Score
Out of 10
0 lbs
Annual CO₂
Zero tailpipe emissions
Yes
Start-Stop
Regenerative braking
Vehicle Specifications
TransmissionAutomatic (A1)
DriveAll-Wheel Drive
Fuel TypeElectricity
Vehicle ClassStandard Sport Utility Vehicle 4WD
TrimEV
Start-StopYes
EPA Vehicle ID46010

The 2023 Mercedes-Benz EQS 450 4matic SUV’s 78 MPG combined isn’t just a number representing what buyers expect from a large, luxurious SUV. It is the fuel economy of a flagship Mercedes-Benz promising S-Class levels of comfort, technology, and presence, but without burning gas. Buyers choosing the EQS SUV are affluent early adopters, tech enthusiasts, and individuals who value both luxury and sustainability. They expect opulence and technology and seek a vehicle aligning with their commitment to reduce emissions. The EQS 450 4matic SUV delivers that.

City and highway performance

The 2023 EQS 450 4matic SUV achieves fuel efficiency in both city and highway driving. EPA testing shows 79 MPG in the city and 77 MPG on the highway. These figures show the effectiveness of the all-electric powertrain’s regenerative braking system, which helps in stop-and-go city traffic. On the highway, the focus is on aerodynamic efficiency and optimized energy management allowing the EQS SUV to maintain its range during long journeys. This close parity between city and highway MPG demonstrates the EQS SUV’s well-rounded engineering and suitability for diverse driving conditions.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2023 Mercedes-Benz EQS 450 4matic SUV at $950. This is based on driving 15,000 miles per year and the national average electricity price. This contrasts with the annual fuel costs of gasoline-powered luxury SUVs, saving EQS owners money. It’s a factor in justifying the higher initial purchase price, knowing that ownership costs will be lower. This annual cost is a selling point for buyers looking for less gas use.

Real-world expectations

The EPA estimates provide a standardized benchmark. Real-world driving conditions influence energy consumption. Driving style, ambient temperature, terrain, and the air conditioning and heating can affect the EQS 450 4matic SUV’s range. Accelerating quickly and high-speed driving will deplete the battery faster, and cold weather can reduce battery performance. The integration of navigation data with the energy management system allows the car to optimize energy consumption based on the route and predicted traffic conditions, enabling drivers to achieve the EPA estimates in everyday driving.

How it compares

The electric SUV market is evolving, and the EQS 450 4matic SUV faces competition. The Tesla Model X Long Range achieves an EPA-estimated 102 MPGe combined, demonstrating Tesla’s advantage in electric vehicle efficiency. The Model X trades some of the Mercedes-Benz’s luxury and build quality for performance and range. The BMW iX xDrive50 delivers 86 MPGe combined, presenting a less efficient but driver-focused alternative. The Audi e-tron achieves around 78 MPG combined, offering a similar blend of luxury and efficiency.

For buyers prioritizing efficiency, the Tesla might win out on paper. Other variables for Mercedes loyalists help skew decision making. The luxury, technology, and all-weather capability offered by the EQS 450 4matic SUV caters to a segment of the luxury EV market. For more information, explore all Mercedes Benz fuel economy data, or EQS MPG across all years.

Tips to maximize efficiency

Drive for efficiency. Accelerate gently and brake smoothly to conserve energy. Use the regenerative braking system by anticipating stops and allowing the car to decelerate. Avoid aggressive acceleration, especially in city driving, as it reduces range.

Pre-conditioning the cabin while plugged in helps conserve battery power. Warming or cooling the interior using grid electricity reduces the energy demand on the battery when driving. This is beneficial in extreme temperatures.

Reduce aerodynamic drag for efficiency on the highway. Ensure tires are inflated to the recommended pressure. Remove unnecessary cargo or roof racks that increase wind resistance when not in use.

Plan routes taking advantage of available charging infrastructure. Mercedes-Benz’s navigation system includes charging station locations and availability. Plan long journeys with charging stops to avoid range anxiety and optimize energy consumption.