The Mercedes-Benz EQS SUV (X296) EQS 580 125 kWh, producing 544 horsepower, represents the flagship all-electric SUV offering from Mercedes-EQ, introduced in October 2023. Positioned as a premium variant within the X296 series, it builds upon the technological foundation of the EQS sedan, translating its luxury and advanced features into a more spacious and versatile SUV format. The EQS 580 125 kWh is designed to compete directly with other luxury electric SUVs such as the BMW iX, Tesla Model X, and Rivian R1S, offering a blend of performance, range, and sophisticated technology. It is built on the dedicated electric vehicle platform, offering a low center of gravity and optimized packaging for the battery and drivetrain components.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | EQS SUV |
| Generation | EQS SUV (X296) |
| Type (Engine) | EQS 580 125 kWh (544 Hp) 4MATIC |
| Start of production | October, 2023 |
| Powertrain Architecture | BEV (Electric Vehicle) |
| Body type | SUV |
| Seats | 5-7 |
| Doors | 5 |
| Fuel Type | Electricity |
| Acceleration 0 – 100 km/h | 4.7 sec |
| Acceleration 0 – 62 mph | 4.7 sec |
| Acceleration 0 – 60 mph | 4.5 sec |
| Maximum speed | 210 km/h (130.49 mph) |
| Weight-to-power ratio | 5.1 kg/Hp, 196.4 Hp/tonne |
| Weight-to-torque ratio | 3.2 kg/Nm, 309.7 Nm/tonne |
| Gross battery capacity | 125 kWh |
| Net (usable) battery capacity | 118 kWh |
| Battery technology | Lithium-ion (Li-Ion) |
| Battery weight | 692 kg (1525.6 lbs.) |
| Battery location | Below the floor |
| All-electric range (WLTP) | 594-673 km (369.09 – 418.18 mi) |
| Average Energy consumption (WLTP) | 20-22.8 kWh/100 km (32.19 – 36.69 kWh/100 mi) |
| Average Energy consumption (MPGe) | 105 – 92 |
| Average Energy consumption (km/kWh) | 5 – 4.4 |
| Average Energy consumption (mi/kWh) | 3.1 – 2.7 |
| Electric motor 1 model/code | EM0027 |
| Electric motor 1 location | Rear axle, Transverse |
| Electric motor 1 type | Synchronous |
| Electric motor 2 model/code | EM0030 |
| Electric motor 2 location | Front axle, Transverse |
| Electric motor 2 type | Synchronous |
| System power | 544 Hp |
| System torque | 858 Nm (632.83 lb.-ft.) |
| Kerb Weight | 2770 kg (6106.8 lbs.) |
| Max. weight | 3410 kg (7517.76 lbs.) |
| Max load | 640 kg (1410.96 lbs.) |
| Trunk (boot) space – minimum | 565 l (19.95 cu. ft.) |
| Trunk (boot) space – maximum | 2100 l (74.16 cu. ft.) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load with brakes (12%) | 1800 kg (3968.32 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 100 kg (220.46 lbs.) |
| Length | 5125 mm (201.77 in.) |
| Width | 1959 mm (77.13 in.) |
| Width including mirrors | 2157 mm (84.92 in.) |
| Height | 1718 mm (67.64 in.) |
| Wheelbase | 3210 mm (126.38 in.) |
| Front track | 1668 mm (65.67 in.) |
| Rear (Back) track | 1681 mm (66.18 in.) |
| Front overhang | 905 mm (35.63 in.) |
| Rear overhang | 1010 mm (39.76 in.) |
| Ride height (ground clearance) | 163-222 mm (6.42 – 8.74 in.) |
| Minimum turning circle (turning diameter) | 11.9 m (39.04 ft.) |
| Approach angle | 17.2-21.2° |
| Departure angle | 18.8-21.7° |
| Ramp-over (brakeover) angle | 13.7° |
| Wading depth | 300 mm (11.81 in.) |
| Drivetrain Architecture | One electric motor drives the front wheels, one electric motor drives the rear wheels. |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 1 gears, automatic transmission |
| Front suspension | Double wishbone, Transverse stabilizer, Air suspension |
| Rear suspension | Independent multi-link suspension, Air suspension, Transverse stabilizer |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system), 4-wheel steering (4WS, active rear steering) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 265/50 R20; 275/45 R21; 275/40 R22 |
| Wheel rims size | 8.5J x 20; 9.5J x 21; 9.5J x 22 |
Powertrain & Engine Architecture
The EQS 580 4MATIC utilizes a dual-motor, all-wheel-drive (AWD) powertrain. Each axle is driven by a permanently excited synchronous motor (PSM), a design chosen for its high efficiency and power density. The front motor (EM0030) and rear motor (EM0027) work in concert to deliver a combined output of 544 horsepower and 858 Nm (632.83 lb-ft) of torque. The 125 kWh battery pack, composed of lithium-ion cells, is positioned low in the vehicle floor to optimize the center of gravity and enhance handling. The battery management system (BMS) is crucial for maintaining optimal battery health, temperature, and performance. The EQS 580 supports DC fast charging, allowing for significant range replenishment in a relatively short period. The single-speed automatic transmission provides seamless power delivery, characteristic of electric vehicle drivetrains.
Driving Characteristics
The EQS 580 4MATIC delivers brisk acceleration, achieving 0-60 mph in approximately 4.5 seconds. The instant torque availability of the electric motors provides a responsive and engaging driving experience. The air suspension system contributes to a comfortable ride, effectively isolating passengers from road imperfections. The 4MATIC AWD system provides excellent traction in various weather conditions. Compared to potential future AMG-tuned versions, the EQS 580 prioritizes refinement and efficiency over outright performance. The single-speed transmission offers smooth, linear acceleration, lacking the gear changes found in traditional internal combustion engine vehicles. Regenerative braking is adjustable, allowing drivers to tailor the level of deceleration when lifting off the throttle, contributing to increased range.
Equipment & Trim Levels
The EQS 580 125 kWh comes standard with a comprehensive suite of luxury features, including the MBUX Hyperscreen, a massive curved OLED display spanning the dashboard. Premium leather upholstery, heated and ventilated front and rear seats, and a panoramic sunroof are also standard. Available options include a rear entertainment system, massaging seats, and a Burmester 3D sound system. The interior design emphasizes minimalist elegance and high-quality materials. Exterior features include automatic soft-close doors, digital light headlights, and 21-inch alloy wheels. The EQS SUV offers seating for up to seven passengers with an optional third-row seat configuration.
Chassis & Braking
The EQS SUV utilizes an independent suspension system with air suspension and adaptive damping control. The air suspension allows for adjustable ride height, enhancing both comfort and off-road capability. The front suspension employs a double-wishbone design, while the rear features a multi-link setup. Ventilated disc brakes are fitted on all four wheels, providing ample stopping power. The electronic stability program (ESP) and anti-lock braking system (ABS) work in conjunction to enhance safety and control. Available 4-wheel steering improves maneuverability at low speeds and stability at high speeds.
Market Reception & Comparison
The EQS 580 125 kWh has been generally well-received by automotive critics, praised for its luxurious interior, advanced technology, and smooth driving experience. However, some reviewers have noted its high price point and complex infotainment system. Compared to the EQS 450+ and 450 4MATIC variants, the EQS 580 offers significantly more power and quicker acceleration, but at a higher cost. Fuel economy, expressed as MPGe, is competitive with other luxury electric SUVs. Reliability data is still emerging, but Mercedes-Benz has a generally good reputation for build quality and durability.
Legacy
The EQS 580 125 kWh represents a significant step forward in Mercedes-Benz’s electric vehicle strategy. Its advanced technology, luxurious features, and long range position it as a leading contender in the premium electric SUV segment. The longevity of the battery pack and the durability of the electric motors will be key factors in determining its long-term reliability and resale value. As the electric vehicle market continues to evolve, the EQS SUV is expected to serve as a benchmark for future luxury electric SUVs.
