Review: 2021 Mercedes-Benz S-class Long (V223) S 580e (510 Hp) Plug-in Hybrid 9G-TRONIC

A comprehensive review of the luxurious and eco-friendly 2021 Mercedes-Benz S-class Long S 580e, a plug-in hybrid sedan that combines performance with sustainability.

Olivia Harper | Apr 4, 2025 | 8 minutes
Review: 2021 Mercedes-Benz S-class Long (V223) S 580e (510 Hp) Plug-in Hybrid 9G-TRONIC

Introduction

The 2021 Mercedes-Benz S-class Long S 580e is a remarkable blend of luxury, performance, and eco-friendliness. As a plug-in hybrid, it offers the best of both worlds: the power of a traditional combustion engine and the efficiency of an electric motor. This review will explore the features, performance, and practicality of this sophisticated sedan, helping you decide if it's the right choice for your lifestyle.

Understanding Plug-in Hybrids

Before diving into the specifics of the S 580e, let's clarify what a plug-in hybrid is. A plug-in hybrid electric vehicle (PHEV) combines a gasoline engine with an electric motor and a rechargeable battery. This setup allows the car to run on electric power alone for short distances, reducing fuel consumption and emissions. The S 580e can travel up to 113 km (70 miles) on electric power alone, making it ideal for city commutes.

Main Features of the S 580e

The S 580e is powered by a 3.0-liter inline-six engine paired with an electric motor, delivering a combined output of 510 horsepower. This powertrain allows the car to accelerate from 0 to 100 km/h (0 to 62 mph) in just 5.2 seconds, with a top speed of 250 km/h (155 mph). The electric motor alone provides 150 horsepower and 480 Nm of torque, ensuring smooth and responsive performance.

One of the standout features of the S 580e is its luxurious interior. With seating for five, the cabin is spacious and equipped with high-end materials and advanced technology. The air suspension system ensures a comfortable ride, while the rear-wheel-drive layout provides excellent handling.

Suitability for Different Lifestyles

The S 580e is versatile, catering to various needs:

  • City Driving: The electric-only range is perfect for urban environments, reducing emissions and fuel costs.
  • Long-Distance Travel: With a combined fuel consumption of 0.6-1 l/100 km, it's efficient for road trips, though charging infrastructure should be considered.
  • Family Use: The spacious interior and advanced safety features make it a great choice for families.
  • Single Ownership: Offers a balance of luxury and practicality for individuals seeking a premium driving experience.
  • Adventure Lifestyles: While not an off-roader, its comfort and technology make it suitable for long journeys.

Strengths and Weaknesses

Here's a quick look at the pros and cons of the S 580e:

  • Strengths:
    • Luxurious interior with advanced technology
    • Impressive electric-only range
    • Powerful and efficient hybrid powertrain
  • Weaknesses:
    • High purchase price
    • Limited off-road capability
    • Charging infrastructure may vary by region

Conclusion

The 2021 Mercedes-Benz S-class Long S 580e is a top-tier luxury sedan that excels in performance, comfort, and eco-friendliness. It's particularly well-suited for city dwellers and long-distance travelers who value luxury and sustainability. When considering this vehicle, think about your driving habits and the availability of charging stations in your area.

Car Specifications

AttributeDetails
GenerationS-class Long (V223)
Modification (Engine)S 580e (510 Hp) Plug-in Hybrid 9G-TRONIC
Powertrain ArchitecturePHEV (Plug-in Hybrid Electric Vehicle)
Body TypeSedan
Seats5
Doors4
Combined Fuel Consumption0.6-1 l/100 km
CO2 Emissions14-22 g/km
Fuel TypePetrol / electricity
Acceleration (0-100 km/h)5.2 sec
Maximum Speed250 km/h
Emission StandardEuro 6D-ISC-FCM
Battery Voltage28.6 kWh
Battery TechnologyLithium-ion (Li-Ion)
Electric Motor Power150 Hp
Electric Motor Torque480 Nm
Engine Displacement2999 cm3
Number of Cylinders6
Engine ConfigurationInline
Power Output367 Hp
Torque500 Nm
Compression Ratio10.5:1
Fuel Injection SystemDirect injection
Engine AspirationTwin-scroll turbo, Intercooler
Kerb Weight2310 kg
Max Load760 kg
Trunk Space (Minimum)350 l
Fuel Tank Capacity67 l
Length5289 mm
Width1954 mm
Height1503 mm
Wheelbase3216 mm
Drive Wheel SystemRear wheel drive
Number of Gears (Transmission Type)9 gears, automatic transmission G-TRONIC
Front SuspensionIndependent multi-link suspension, Air suspension
Rear SuspensionIndependent multi-link suspension, Air suspension
Front BrakesVentilated discs
Rear BrakesVentilated discs
Assisting SystemsABS, 4-wheel steering
Power SteeringElectric Steering
Tire SizeFront: 255/45 R19, Rear: 285/40 R19
Wheel Rims SizeFront: 8.5J x 19, Rear: 10J x 19
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