The Mercedes-Benz EQS SUV (X296) represents the brand’s entry into the all-electric luxury SUV segment, launched in October 2023. The EQS 450+ 125 kWh variant, producing 360 horsepower, serves as the base model within the lineup, offering a balance of range, performance, and features. Built upon the dedicated electric vehicle architecture, the EQS SUV aims to deliver the comfort and refinement expected of a flagship Mercedes-Benz, while embracing the benefits of a battery-electric powertrain. This model is positioned as a competitor to other luxury electric SUVs like the BMW iX, Tesla Model X, and Rivian R1S, targeting buyers seeking a premium, technologically advanced, and environmentally conscious vehicle.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | EQS SUV |
| Generation | EQS SUV (X296) |
| Type (Engine) | EQS 450+ 125 kWh (360 Hp) |
| 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 | 6.8 sec |
| Acceleration 0 – 62 mph | 6.8 sec |
| Acceleration 0 – 60 mph | 6.5 sec |
| Maximum speed | 210 km/h (130.49 mph) |
| Weight-to-power ratio | 7.4 kg/Hp, 135.6 Hp/tonne |
| Weight-to-torque ratio | 4.7 kg/Nm, 213.9 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) | 605-720 km (375.93 – 447.39 mi) |
| Average Energy consumption (WLTP) | 18.8-22.5 kWh/100 km (30.26 – 36.21 kWh/100 mi) |
| Average Energy consumption (MPGe) | 111 – 93 |
| Average Energy consumption (km/kWh) | 5.3 – 4.4 |
| Average Energy consumption (mi/kWh) | 3.3 – 2.8 |
| Electric motor power | 360 Hp |
| Electric motor Torque | 568 Nm (418.94 lb.-ft.) |
| Electric motor model/code | EM0027 |
| Electric motor location | Rear axle, Transverse |
| Electric motor type | Synchronous |
| System power | 360 Hp |
| System torque | 568 Nm (418.94 lb.-ft.) |
| Kerb Weight | 2655 kg (5853.27 lbs.) |
| Max. weight | 3300 kg (7275.25 lbs.) |
| Max load | 645 kg (1421.98 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 rear wheels. |
| Drive wheel | Rear wheel drive |
| 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 |
INTRODUCTION
The Mercedes-Benz EQS SUV, specifically the EQS 450+ 125 kWh variant, debuted in late 2023 as a crucial addition to the expanding EQ family of electric vehicles. Positioned above the EQS sedan, the SUV offers increased practicality and space without sacrificing the luxury and technological innovation that define the Mercedes-Benz brand. This model utilizes a single rear-mounted electric motor powered by a substantial 125 kWh battery pack, providing a competitive range and a comfortable driving experience. The EQS 450+ serves as the entry point to the EQS SUV range, offering a compelling package for buyers prioritizing efficiency and a refined driving experience over outright performance.
Powertrain & Engine Architecture
The EQS 450+ is powered by a permanently excited synchronous electric motor (model EM0027) located on the rear axle. This motor delivers 360 horsepower and 568 Nm (418.94 lb.-ft.) of torque. The motor’s design prioritizes efficiency and smooth power delivery. The heart of the system is the 125 kWh lithium-ion battery pack, providing 118 kWh of usable capacity. This battery is integrated into the vehicle floor, contributing to a low center of gravity and improved handling. The battery management system (BMS) is sophisticated, monitoring and controlling temperature, voltage, and state of charge to maximize battery life and performance. The EQS 450+ features a single-speed automatic transmission, optimized for efficient power transfer from the motor to the wheels. The vehicle supports DC fast charging, allowing for significant range replenishment in a relatively short time.
Driving Characteristics
The EQS 450+ delivers a smooth and refined driving experience, characteristic of the Mercedes-Benz brand. Acceleration from 0-60 mph takes approximately 6.5 seconds. While not as quick as the dual-motor EQS 580 4MATIC, the 450+ provides ample power for everyday driving and highway merging. The single-speed transmission offers seamless acceleration, and the rear-wheel-drive configuration contributes to a balanced feel. The air suspension provides a comfortable ride, effectively absorbing bumps and imperfections in the road. The steering is precise and well-weighted, offering a confident feel. Regenerative braking is adjustable, allowing drivers to customize the level of deceleration when lifting off the accelerator. Compared to the higher-performance variants, the 450+ prioritizes efficiency and comfort over outright speed, making it an ideal choice for drivers who value a relaxed and refined driving experience.
Equipment & Trim Levels
The EQS 450+ comes standard with a comprehensive suite of features, including the MBUX Hyperscreen, a massive 56-inch curved OLED display that spans the dashboard. This system integrates the instrument cluster, infotainment system, and passenger display into a single, seamless interface. Standard interior features include premium synthetic leather upholstery, heated and ventilated front seats, a panoramic sunroof, and a Burmester surround sound system. Available options include genuine leather upholstery, massaging front seats, rear-seat entertainment systems, and advanced driver-assistance features like adaptive cruise control and lane-keeping assist. Exterior features include LED headlights, power-folding mirrors, and a hands-free power liftgate.
Chassis & Braking
The EQS SUV utilizes an independent suspension system with air suspension and adaptive damping control. The front suspension features a double-wishbone design, while the rear employs a multi-link setup. This configuration provides a comfortable ride and precise handling. The EQS 450+ is equipped with ventilated disc brakes on all four wheels. Standard safety features include ABS, electronic stability control, and a suite of driver-assistance systems. Available options include rear-axle steering, which enhances maneuverability at low speeds and stability at high speeds.
Market Reception & Comparison
The Mercedes-Benz EQS SUV has been generally well-received by automotive critics, praised for its luxurious interior, advanced technology, and comfortable ride. The EQS 450+ has been noted for its impressive range and efficiency, making it a practical choice for long-distance travel. Compared to the EQS 580 4MATIC, the 450+ offers a more affordable entry point into the EQS SUV lineup, albeit with slightly less power and performance. Fuel economy, measured in MPGe, ranges from 93 to 111, depending on driving conditions and wheel size. Reliability data is still emerging, but early reports suggest that the EQS SUV is generally reliable, benefiting from Mercedes-Benz’s reputation for quality engineering.
Legacy
The EQS SUV, and particularly the 450+ variant, represents a significant step forward in Mercedes-Benz’s electrification strategy. The powertrain, while relatively new, is expected to prove durable and reliable, benefiting from ongoing software updates and improvements. As the electric vehicle market matures, the EQS 450+ is likely to hold its value well, appealing to buyers seeking a luxurious, technologically advanced, and environmentally friendly SUV. Its impact will be felt in the continued development of electric vehicle technology and the increasing acceptance of battery-electric vehicles in the luxury segment.
