76 MPGe combined makes the 2025 Mercedes-Benz EQS 680 4MATIC Maybach SUV truly unique in the ultra-luxury segment: an electric limousine on stilts that offers substantial operational efficiency without sacrificing any of its opulent character. For the buyer, this figure represents not merely a technical specification, but a statement: effortless, nearly silent power delivery combined with a lack of compromise in the face of environmental concerns and a growing desire for sustainable mobility. This is a vehicle less concerned with outright “fueling up” as it is with integrated charging, and its efficiency rating perfectly encapsulates its mission: moving its occupants with insulated grace and minimal impact, save for the very substantial impression it makes.

City and highway performance

The 76 MPGe rating for the EQS 680 4MATIC Maybach SUV holds steady across both city and highway cycles. This uniformity is an inherent characteristic of its electric powertrain. Unlike internal combustion engines, which often see a drop in efficiency at higher speeds due to increased air resistance and mechanical losses, electric vehicles like the EQS Maybach maintain remarkable consistency. In urban environments, where stop-and-go traffic would penalize a traditional gasoline engine, the Maybach capitalizes on regenerative braking, recouping energy that would otherwise be lost. On the open highway, its aerodynamic profile, deceptively sleek for an SUV of its stature, further aids this efficiency, allowing it to glide with minimal energy expenditure. This means the quietude and power delivery are experienced with precisely the same efficiency, whether navigating the boulevards of Beverly Hills or cruising between private estates on the open road. The engineering here clearly prioritizes a consistent, predictable, and highly efficient luxury experience, regardless of the driving context.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2025 Mercedes-Benz EQS 680 4MATIC Maybach SUV at a remarkably low $1,000. This figure is derived from an assumption of 15,000 miles driven per year, factoring in national average electricity prices. For a vehicle of this magnitude, a rolling executive suite designed for ultimate comfort and prestige, a four-figure annual energy expense is genuinely striking. Owners of comparable ultra-luxury SUVs with internal combustion engines often face annual fuel bills many times this amount. The $1,000 figure underscores one of the often-overlooked benefits of electric vehicle ownership at this echelon: while the initial capital outlay is substantial, the day-to-day running costs, particularly for energy, are drastically reduced. This isn’t about pinching pennies for the Maybach buyer, but rather about the elegance of a propulsion system that delivers its immense power and range with such an economical energy footprint, contributing to an overall sense of effortless ownership.

Real-world expectations

In the real world, the 76 MPGe of the EQS 680 4MATIC Maybach SUV translates to consistent, impressive range and minimal charging anxiety for its intended user. This isn’t a vehicle that will be frequently pushed to its thermal or dynamic limits, rather, it will serve as a supremely comfortable, quiet, and powerful daily driver for the executive or HNW individual. The power delivery from its dual motors is always instantaneous and profound, ensuring effortless acceleration and seamless overtaking without any perceptible strain on the energy reserves that might plague lesser EVs. Long-distance travel will be punctuated by strategic charging stops, often managed by chauffeurs or personal assistants, at high-speed public chargers or even dedicated home-based Level 2 charging stations. Owners can expect the predicted range to be largely achievable, given the Maybach’s inherent design for smooth, controlled driving rather than aggressive maneuvers that heavily deplete batteries. The reality is a consistent, highly refined electric driving experience with class-leading efficiency for its segment.

How it compares

When stacked against its ultra-luxury SUV competitors, the EQS 680 4MATIC Maybach SUV offers a superior efficiency. Consider the Rolls-Royce Cullinan, an undisputed icon of opulence. Its V12 engine delivers a combined 12 MPG, demanding frequent and expensive trips to the pump. Even the Bentley Bentayga, with its V8, manages only 17 MPG combined, rising slightly to 46 MPGe for the Bentayga EWB Hybrid. The Mercedes-Benz GLS 600 Maybach, the EQS 680’s internal combustion stablemate, offers a mere 16 MPG combined. These comparisons highlight the dramatic shift. For a buyer who values cutting-edge technology, lower fuel costs, and significantly lower running costs without compromising on luxury, the EQS Maybach’s 76 MPGe is a game-changer. It’s not just about saving money, it’s about aligning with a forward-thinking ethos. This clientele, while not necessarily fiscally driven by efficiency numbers, appreciates the technical achievement and the refined, quiet competence that only a premium electric powertrain can deliver. For more about all Mercedes Benz fuel economy data, our comprehensive records are available.

Tips to maximize efficiency

Maintaining a smooth, measured driving style significantly impacts the EQS Maybach’s electric range. Aggressive acceleration and harsh braking are the biggest drains on battery life, instead, aim for gradual inputs and use the vehicle’s regenerative braking system to its fullest. This aligns perfectly with the vehicle’s character anyway, enhancing the already quiet passenger experience.

Pre-conditioning the cabin while the vehicle is still plugged in allows the car to draw power from the grid to reach the desired temperature, rather than depleting the battery once you start driving. This is especially beneficial in extreme hot or cold weather, ensuring maximum range for your journey.

When possible, use the vehicle’s “Eco” driving mode. This mode subtly adjusts throttle response, climate control, and other parameters to prioritize energy conservation, extending your effective range without sacrificing essential comfort. Its powertrain management is intelligently designed.

Keep your tires properly inflated to the manufacturer’s recommended pressures. Underinflated tires increase rolling resistance, forcing the motors to work harder and reducing efficiency. Regularly checking tire pressure is a simple habit that yields tangible benefits in range and tire longevity.

Plan your routes to include opportunities for DC fast charging, especially on longer journeys. While the EQS Maybach’s range is substantial, maximizing efficiency means minimizing downtime. Using fast chargers strategically ensures you spend less time waiting and more time enjoying the journey. For an in-depth look at EQS MPG across all years, consult our dedicated model pages.