2024 Mercedes-Benz CLE Cabriolet (A236) CLE 300 (258 Hp) Mild Hybrid 4MATIC 9G-TRONIC

The Mercedes-Benz CLE 300 4MATIC Cabriolet, introduced in April 2024, represents a compelling blend of performance, luxury, and efficiency within the new CLE (A236) generation. Positioned as a mid-range offering in the CLE Cabriolet lineup, it caters to buyers seeking a sophisticated open-air driving experience without sacrificing power or advanced technology. The CLE replaces both the C-Class and E-Class Cabriolet models, combining elements of both into a single, more focused offering. This variant specifically utilizes a mild hybrid powertrain paired with a 9G-TRONIC automatic transmission and all-wheel drive, making it a versatile option for a wide range of driving conditions.

Technical Specifications

Brand Mercedes-Benz
Model CLE
Generation CLE Cabriolet (A236)
Type CLE 300 (258 Hp) Mild Hybrid 4MATIC 9G-TRONIC
Start of production April, 2024
Powertrain Architecture MHEV (Mild Hybrid Electric Vehicle)
Body type Cabriolet
Seats 4
Doors 2
Combined fuel consumption (WLTP) 7.3-7.9 l/100 km (32.2 – 29.8 US mpg, 38.7 – 35.8 UK mpg, 13.7 – 12.7 km/l)
CO2 emissions (WLTP) 165-179 g/km
Fuel Type Petrol (Gasoline)
Acceleration 0 – 100 km/h 6.6 sec
Acceleration 0 – 62 mph 6.6 sec
Acceleration 0 – 60 mph 6.3 sec
Maximum speed 250 km/h (155.34 mph) – Electronically limited
Emission standard Euro 6e
Weight-to-power ratio 7.4 kg/Hp, 135.1 Hp/tonne
Weight-to-torque ratio 4.8 kg/Nm, 209.4 Nm/tonne
Battery voltage 48 V
Battery technology Lithium-ion (Li-Ion)
Electric motor power 23 Hp
Electric motor Torque 205 Nm (151.2 lb.-ft.)
Electric motor location Between the combustion engine and the transmission
Power 258 Hp @ 5800 rpm
Torque 400 Nm @ 2000-3200 rpm (295.02 lb.-ft. @ 2000-3200 rpm)
Engine layout Front, Longitudinal
Engine Model/Code M 254
Engine displacement 1999 cm3 (121.99 cu. in.)
Number of cylinders 4
Engine configuration Inline
Compression ratio 10:1
Number of valves per cylinder 4
Fuel injection system Direct injection
Engine aspiration Twin-scroll turbo, Intercooler
Valvetrain DOHC, CAMTRONIC
Engine oil capacity 6 l (6.34 US qt | 5.28 UK qt)
Kerb Weight 1910 kg (4210.83 lbs.)
Max. weight 2420 kg (5335.19 lbs.)
Max load 510 kg (1124.36 lbs.)
Trunk (boot) space – minimum 295 l (10.42 cu. ft.)
Trunk (boot) space – maximum 385 l (13.6 cu. ft.)
Fuel tank capacity 66 l (17.44 US gal | 14.52 UK gal)
Permitted trailer load with brakes (12%) 1800 kg (3968.32 lbs.)
Permitted trailer load without brakes 750 kg (1653.47 lbs.)
Permitted towbar download 75 kg (165.35 lbs.)
Length 4850 mm (190.94 in.)
Width 1861 mm (73.27 in.)
Width including mirrors 2042 mm (80.39 in.)
Height 1424 mm (56.06 in.)
Wheelbase 2865 mm (112.8 in.)
Front track 1606 mm (63.23 in.)
Rear (Back) track 1616 mm (63.62 in.)
Front overhang 888 mm (34.96 in.)
Rear overhang 1097 mm (43.19 in.)
Ride height (ground clearance) 111 mm (4.37 in.)
Minimum turning circle (turning diameter) 11.7 m (38.39 ft.)
Drivetrain Architecture ICE and electric motor drive all four wheels, operating in mixed mode.
Drive wheel All wheel drive (4×4)
Number of gears and type of gearbox 9 gears, automatic transmission G-TRONIC
Front suspension Independent multi-link suspension, Transverse stabilizer
Rear suspension Independent multi-link suspension, Transverse stabilizer
Front brakes Ventilated discs
Rear brakes Ventilated discs
Assisting systems ABS (Anti-lock braking system)
Steering type Steering rack and pinion
Power steering Electric Steering
Tires size 245/45 R18; 245/40 R19
Wheel rims size 8J x 18; 8J x 19

Powertrain & Engine Architecture

At the heart of the CLE 300 4MATIC Cabriolet lies the M 254 2.0-liter inline-four cylinder engine. This engine benefits from a single twin-scroll turbocharger and direct fuel injection, delivering a balance of power and efficiency. The engine produces 258 horsepower at 5800 rpm and 400 Nm (295 lb-ft) of torque between 2000 and 3200 rpm. Crucially, this engine incorporates a 48-volt mild hybrid system. This system utilizes a 23 hp electric motor integrated between the engine and the 9G-TRONIC automatic transmission. The mild hybrid system enables features like extended coasting, smoother start/stop operation, and a small boost in power during acceleration. The 9G-TRONIC transmission itself is a nine-speed automatic known for its smooth shifts and wide gear ratio spread, contributing to both fuel economy and responsive performance.

Driving Characteristics

The CLE 300 4MATIC Cabriolet offers a refined and comfortable driving experience. The 9G-TRONIC transmission is well-tuned for everyday driving, providing seamless gear changes. While not as overtly sporty as some higher-performance variants, the 258 hp engine provides ample power for confident overtaking and highway cruising. Acceleration from 0 to 60 mph is achieved in approximately 6.3 seconds. The 4MATIC all-wheel-drive system ensures excellent traction in various weather conditions. Compared to a hypothetical manual transmission version (not offered), the 9G-TRONIC prioritizes ease of use and fuel efficiency over outright driver engagement. The mild hybrid system subtly enhances responsiveness, particularly during initial acceleration.

Equipment & Trim Levels

The CLE 300 4MATIC Cabriolet comes standard with a generous array of features, including Mercedes-Benz User Experience (MBUX) infotainment system with a large touchscreen display, premium upholstery, automatic climate control, and a suite of driver-assistance systems such as adaptive cruise control and lane-keeping assist. Optional extras include upgraded leather upholstery, a Burmester surround sound system, and advanced driver-assistance packages. Interior trim options typically include wood, aluminum, and carbon fiber accents. The Cabriolet benefits from a fully automatic fabric soft top, designed for quiet operation and quick retraction times.

Chassis & Braking

The CLE 300 4MATIC Cabriolet utilizes an independent multi-link suspension at both the front and rear axles, providing a comfortable ride and precise handling. A transverse stabilizer bar is fitted to both axles to minimize body roll during cornering. The braking system consists of ventilated discs on all four wheels, providing ample stopping power. Anti-lock braking system (ABS) and electronic stability control are standard features. The chassis is reinforced to compensate for the lack of a fixed roof, maintaining structural rigidity.

Market Reception & Comparison

The CLE 300 4MATIC Cabriolet has been generally well-received by automotive critics, praised for its comfortable ride, refined interior, and efficient powertrain. Compared to other trims in the CLE lineup, the 300 offers a sweet spot between performance and affordability. While the higher-output variants deliver more exhilarating acceleration, the 300 provides sufficient power for most drivers while offering better fuel economy. Its fuel consumption of 7.3-7.9 l/100 km (29.8-32.2 mpg) is competitive within its segment. Reliability is expected to be in line with other modern Mercedes-Benz models, though long-term data is still emerging.

Legacy

As a relatively new model, the long-term reliability of the CLE 300 4MATIC Cabriolet remains to be fully assessed. However, the M 254 engine has proven to be a robust and reliable unit in other Mercedes-Benz applications. The 9G-TRONIC transmission is also well-regarded for its durability. In the used car market, this variant is expected to hold its value well due to its combination of luxury, performance, and fuel efficiency. The integration of mild hybrid technology positions it as a forward-looking option in the evolving automotive landscape.

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