2026 Mercedes-Benz EQS 400 — including what it is, what it offers, and key city/highway efficiency & range info based on the latest EPA figures available:

🚘 2026 Mercedes-Benz EQS 400 4MATIC — Overview

The 2026 EQS 400 4MATIC is the base all-wheel-drive version of Mercedes’ flagship all-electric SUV. It pairs luxury SUV comfort with full electric performance and technology.

• Powertrain: Dual electric motors (AWD) – ~355 hp, 590 lb-ft torque. 

• Battery: ~118 kWh lithium-ion pack. 

• 0-60 mph: ~5.9 sec. 

• Charging: ~200 kW DC fast charging (10–80 % ~30–31 min). 

• Towing Capacity: Up to 3,500 lbs when equipped. 

This SUV blends a high-end interior, smooth ride quality, and substantial utility with EV efficiency. 

🔋 Electric Range & Efficiency

📍 EPA-Estimated Range

• Electric range: ~312 miles per full charge (EPA estimated). 

⚡ EPA MPGe (Electric Efficiency)

For the EQS SUV platform (including EQS 400 4MATIC), EPA estimates are around:

• City: ~80 MPGe

• Highway: ~78 MPGe

• Combined: ~79 MPGe

MPGe (miles per gallon equivalent) estimates how much energy the EV uses compared to a gasoline engine — higher numbers mean better efficiency.

These figures reflect the EQS SUV model’s efficiency, and the EQS 400 4MATIC specifically aligns with the lower-number ranges since its heavier AWD setup slightly affects efficiency. 

🛣️ City vs Highway Driving

City Driving (Lower Speeds, Stop-and-Go)

• EVs like the EQS benefit from regenerative braking in urban traffic, which helps recapture energy and improve overall efficiency.

• With an EPA city estimate around 80 MPGe, you can expect comparatively efficient urban driving. 

Highway Driving (Steady Speeds)

• At highway speeds (e.g., 55–75 mph), efficiency drops slightly — about 78 MPGe — as aerodynamic drag increases. 

• That said, 312 miles of EPA range still gives strong real-world highway range for most longer trips. 

In practice, actual city range may exceed highway range slightly because of more frequent regeneration and lower average speeds — a common EV pattern.

🧠 Quick Summary — City / Highway

🧾 What It Means for You

• Urban commuting: Great efficiency thanks to regen braking and luxury cabin comfort, solid for daily use.

• Longer road trips: A 300+ mile EPA range makes many single-charge highway journeys doable with good range planning.

• Charging stops: Fast charging support up to ~200 kW means decent DC fast-charging speeds on major routes.

If you’re considering this EV for specific trip distances (like "how far can it go on a 200-mile highway trip?”), I can also estimate real-world range based on speed and conditions.