2019-2022 Mercedes-Benz A-class (W177) A 250e (218 Hp) Plug-in Hybrid 8G-DCT

The Mercedes-Benz A-Class (W177) A 250e, a plug-in hybrid variant, was produced from 2019 to 2022. Positioned as a premium offering within the fourth generation of the A-Class (W177), it combined a 1.3-liter turbocharged gasoline engine with an electric motor, offering a balance of performance and fuel efficiency. The A 250e was designed to appeal to buyers seeking a more environmentally conscious vehicle without sacrificing the luxury and technology associated with the Mercedes-Benz brand. It utilized the 8G-DCT dual-clutch transmission, a key component in delivering smooth and efficient power delivery.

Technical Specifications

Brand Mercedes-Benz
Model A-class
Generation A-class (W177)
Type (Engine) A 250e (218 Hp) Plug-in Hybrid 8G-DCT
Start of production 2019 year
End of production 2022 year
Powertrain Architecture PHEV (Plug-in Hybrid Electric Vehicle)
Body type Hatchback
Seats 5
Doors 5
Combined fuel consumption (WLTP) 1-1.3 l/100 km
Combined fuel consumption (WLTP) – US mpg 235.2 – 180.9
Combined fuel consumption (WLTP) – UK mpg 282.5 – 217.3
Combined fuel consumption (WLTP) – km/l 100 – 76.9
CO2 emissions (WLTP) 22-30 g/km
Fuel consumption (NEDC) – combined 1.4-1.6 l/100 km
Fuel consumption (NEDC) – combined – US mpg 168 – 147
Fuel consumption (NEDC) – combined – UK mpg 201.8 – 176.6
Fuel consumption (NEDC) – combined – km/l 71.4 – 62.5
CO2 emissions (NEDC) 32-36 g/km
Fuel Type Petrol / electricity
Acceleration 0 – 100 km/h 6.6 sec
Acceleration 0 – 62 mph 6.6 sec
Acceleration 0 – 60 mph 6.3 sec
Maximum speed 235 km/h (146.02 mph)
Emission standard Euro 6d-ISC-FCM
Weight-to-power ratio 7.4 kg/Hp, 135.8 Hp/tonne
Weight-to-torque ratio 3.6 kg/Nm, 280.4 Nm/tonne
Gross battery capacity 15.6 kWh
Net (usable) battery capacity 10.9 kWh
Battery technology Lithium-ion (Li-Ion)
Battery weight 150 kg (330.69 lbs.)
Battery location Below the floor, under the rear seats
All-electric range (WLTP) 62-73 km (38.53 – 45.36 mi)
All-electric range (NEDC) 74-76 km (45.98 – 47.22 mi)
Average Energy consumption (WLTP) 14.8-16.6 kWh/100 km
Average Energy consumption (WLTP) – kWh/100 mi 23.82 – 26.72
Average Energy consumption (WLTP) – MPGe 141 – 126
Average Energy consumption (WLTP) – km/kWh 6.8 – 6
Average Energy consumption (WLTP) – mi/kWh 4.2 – 3.7
Average Energy consumption (NEDC) 14.8-15 kWh/100 km
Average Energy consumption (NEDC) – kWh/100 mi 23.82 – 24.14
Average Energy consumption (NEDC) – MPGe 141 – 140
Average Energy consumption (NEDC) – km/kWh 6.8 – 6.7
Average Energy consumption (NEDC) – mi/kWh 4.2 – 4.1
Max speed (electric) 140 km/h (86.99 mph)
Electric motor power 102 Hp
Electric motor Torque 300 Nm (221.27 lb.-ft.)
Electric motor location Between the combustion engine and the transmission
System power 218 Hp
System torque 450 Nm (331.9 lb.-ft.)
Power 160 Hp @ 5500 rpm
Power per litre 120.1 Hp/l
Torque 250 Nm @ 1620-4000 rpm (184.39 lb.-ft. @ 1620-4000 rpm)
Engine layout Front, Transverse
Engine Model/Code M 282.914
Engine displacement 1332 cm3 (81.28 cu. in.)
Number of cylinders 4
Engine configuration Inline
Cylinder Bore 72.2 mm (2.84 in.)
Piston Stroke 81.4 mm (3.2 in.)
Compression ratio 10.6:1
Number of valves per cylinder 4
Fuel injection system Direct injection
Engine aspiration Turbocharger, Intercooler
Valvetrain DOHC
Engine oil capacity 5.1 l (5.39 US qt | 4.49 UK qt)
Coolant 6.8 l (7.19 US qt | 5.98 UK qt)
Kerb Weight 1605 kg (3538.42 lbs.)
Max. weight 2155 kg (4750.96 lbs.)
Max load 550 kg (1212.54 lbs.)
Trunk (boot) space – minimum 310 l (10.95 cu. ft.)
Trunk (boot) space – maximum 1125 l (39.73 cu. ft.)
Fuel tank capacity 35 l (9.25 US gal | 7.7 UK gal)
Max. roof load 75 kg (165.35 lbs.)
Permitted trailer load with brakes (12%) 1600 kg (3527.4 lbs.)
Permitted trailer load without brakes 750 kg (1653.47 lbs.)
Permitted towbar download 80 kg (176.37 lbs.)
Length 4419 mm (173.98 in.)
Width 1796 mm (70.71 in.)
Width including mirrors 1992 mm (78.43 in.)
Height 1452 mm (57.17 in.)
Wheelbase 2729 mm (107.44 in.)
Front track 1563 mm (61.54 in.)
Rear (Back) track 1558 mm (61.34 in.)
Front overhang 914 mm (35.98 in.)
Rear overhang 776 mm (30.55 in.)
Drag coefficient (Cd) 0.27
Minimum turning circle (turning diameter) 11 m (36.09 ft.)
Approach angle 13.4°
Departure angle 17.2°
Ramp-over (brakeover) angle 9.4°
Drivetrain Architecture The Internal combustion engine (ICE) and electric motor drive the front wheels of the car with the ability to work in full electric or mixed mode.
Drive wheel Front wheel drive
Number of gears and type of gearbox 8 gears, automatic transmission G-DCT
Front suspension Independent type McPherson
Rear suspension Coil spring, Torsion
Front brakes Ventilated discs
Rear brakes Disc
Assisting systems ABS (Anti-lock braking system)
Steering type Steering rack and pinion
Power steering Electric Steering
Tires size 205/55 R17
Wheel rims size 6.5J x 17

Powertrain & Engine Architecture

The A 250e’s powertrain centers around the M 282.914 1.3-liter inline-four cylinder gasoline engine, coupled with a 102 hp electric motor. This engine is a member of Mercedes-Benz’s modular engine family, known for its compact size and efficiency. The engine utilizes direct fuel injection and a single turbocharger with an intercooler to deliver 160 hp at 5500 rpm and 250 Nm (184.39 lb-ft) of torque between 1620 and 4000 rpm. The electric motor is positioned between the engine and the 8G-DCT dual-clutch transmission, allowing for seamless integration of electric and gasoline power. The 8G-DCT transmission, a staple in many Mercedes-Benz models, provides quick and smooth gear changes, contributing to both performance and fuel economy. The 15.6 kWh lithium-ion battery pack is located under the rear seats, minimizing impact on cabin space.

Driving Characteristics

The A 250e offers a unique driving experience, blending the responsiveness of a gasoline engine with the instant torque of an electric motor. In electric-only mode, the vehicle provides quiet and emission-free driving for up to 62-73 km (38.53 – 45.36 mi) depending on driving conditions. When combined, the system delivers a total output of 218 hp and 450 Nm (331.9 lb-ft) of torque, resulting in a 0-100 km/h (0-62 mph) acceleration time of 6.6 seconds. The 8G-DCT transmission is well-tuned to manage the power delivery, offering both comfortable cruising and brisk acceleration. Compared to the standard A-Class models with lower-powered engines, the A 250e provides significantly more performance. However, the added weight of the battery pack does slightly impact handling compared to lighter variants.

Equipment & Trim Levels

The A 250e typically came well-equipped, reflecting its position as a premium plug-in hybrid. Standard features often included Mercedes-Benz’s MBUX infotainment system with a touchscreen display, navigation, Apple CarPlay and Android Auto compatibility, and a suite of driver-assistance systems such as automatic emergency braking and lane-keeping assist. Interior upholstery was typically a combination of Artico leather and Dinamica microfiber. Optional extras included a panoramic sunroof, premium sound system, and advanced driver-assistance packages. The trim level often dictated the availability of certain features and customization options.

Chassis & Braking

The A 250e utilizes a McPherson strut front suspension and a torsion beam rear suspension. The suspension setup is tuned to provide a comfortable ride while maintaining reasonable handling characteristics. Due to the added weight of the battery pack, the A 250e often featured slightly stiffer spring rates compared to standard A-Class models. The braking system consists of ventilated discs at the front and solid discs at the rear, equipped with ABS (Anti-lock Braking System). The electric motor also provides regenerative braking, which helps to recapture energy and extend the electric range.

Market Reception & Comparison

The A 250e was generally well-received by critics, who praised its fuel efficiency, smooth driving experience, and the integration of the plug-in hybrid technology. Compared to other A-Class variants, the A 250e offered a compelling alternative for buyers prioritizing environmental consciousness and lower running costs. While the initial purchase price was higher than that of gasoline-only models, the potential for fuel savings and government incentives made it an attractive option. Some reviewers noted that the battery pack slightly reduced trunk space compared to non-hybrid versions.

Legacy

The A 250e represents Mercedes-Benz’s early foray into plug-in hybrid technology within the compact segment. The powertrain, while not without its complexities, has proven to be relatively reliable in real-world use. On the used car market, the A 250e remains a desirable option for buyers seeking a fuel-efficient and technologically advanced vehicle. The longevity of the battery pack is a key consideration for potential buyers, but with proper maintenance, the A 250e’s powertrain is expected to provide many years of reliable service. It paved the way for further electrification within the A-Class range and contributed to Mercedes-Benz’s broader commitment to sustainable mobility.

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