The 2023 Mercedes-Benz AMG GLB35 4Matic achieves 23 MPG combined, and isn’t designed to prioritize only fuel efficiency, but balances practicality and performance. This number reflects the trade-off buyers make for a compact SUV with AMG performance, delivering strong acceleration and handling while offering a usable cargo area and seating for five (or seven with the optional third row).

City and highway performance

The EPA estimates for the AMG GLB35 are 21 MPG in the city and 27 MPG on the highway. The city number reflects stop-and-go conditions where the 2.0L turbocharged engine and its weight have to work harder. The highway number is better, though. Using the automatic transmission’s eight gears can help the GLB35 settle into efficient cruising. Much of this depends on driving style; aggressive acceleration hurts these numbers, while a gentler approach brings them closer to the EPA estimates. These figures are generated using standardized testing that simulates typical driving conditions, but real-world usage varies.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2023 Mercedes-Benz AMG GLB35 at $2,500. This estimate is based on driving 15,000 miles per year and using national average fuel prices. It’s a benchmark for comparing the GLB35’s fuel expenses against other vehicles, but your actual costs could be higher or lower depending on how much you drive, how aggressively you drive, and fuel prices in your area. Premium fuel is recommended for the 2.0L turbo for best performance.

Real-world expectations

EPA figures are a baseline, but real-world fuel economy depends on driving habits, traffic, and weather. AMG GLB35 owners often report MPG numbers that vary from the official numbers. Those who spend most of their time in urban environments might see numbers closer to the 21 MPG city estimate, or even slightly below. Drivers with longer commutes on open highways could exceed the 27 MPG highway estimate. Regular maintenance, including tire inflation and oil changes, maximizes fuel efficiency.

How it compares

The AMG GLB35’s fuel economy is fairly average in the performance-oriented compact SUV class. Some cars get better gas mileage. The BMW X1 xDrive28i, for example, gets 28 MPG combined, making it more efficient than the GLB35. The X1 doesn’t match the AMG’s power or performance-tuned suspension. The Audi SQ5, another competitor, achieves around 21 MPG combined, demonstrating that the AMG GLB35 offers a reasonable balance of performance and fuel consumption. For more information, you can explore all Mercedes Benz fuel economy data, or specifically see AMG MPG across all years to see how this model fits within the brand’s performance lineup.

Tips to Maximize Efficiency

Avoid aggressive acceleration and braking. The AMG GLB35’s turbocharged engine is responsive, but frequent heavy acceleration depletes fuel. Smooth, gradual acceleration improves fuel efficiency and makes for a more relaxed driving experience. Anticipate traffic and brake smoothly rather than abruptly.

Maintain proper tire inflation. Underinflated tires increase rolling resistance, forcing the engine to work harder and reducing fuel economy. Check your tire pressure regularly and inflate them to the recommended pressure listed on the doorjamb sticker. Even a slight increase in tire pressure can make a difference.

Use the “Comfort” driving mode when possible. The AMG GLB35 offers driving modes that tailor the car’s performance to different situations. “Comfort” prioritizes fuel efficiency by optimizing throttle response and transmission shift points. “Sport” and “Sport+” modes provide a more engaging driving experience, but they also consume more fuel.

Reduce unnecessary weight. Carrying excessive cargo increases vehicle weight and aerodynamic drag, and both negatively impact fuel economy. Remove unneeded items and use a cargo box only when necessary.

Plan your trips strategically. Combine errands into a single trip to avoid multiple cold starts, which consume more fuel. Use navigation apps to find the most efficient route and minimize stop-and-go traffic. Planning can save fuel.