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09-03-2021 | Automotive Engineering | News | Article

New Mercedes-Benz C-Class with Electrified R4 Engines

Author:
Patrick Schäfer
2 min reading time

Daimler has presented the new Mercedes-Benz C-Class as a sedan and a station wagon. The mid-size model is now only available with electrified four-cylinder gasoline engines.

The new Mercedes-Benz C-Class grows to a length of 4751 mm (previously 4686 mm) for the sedan, while the station wagon now measures 4751 mm (previously 4702 mm). The width increases by 10 mm to 1820, while the height is reduced by 9 mm to 1438 for the sedan and by 7 mm to 1455 mm for the estate.

The styling follows the design of “sensual clarity” with many smooth surfaces and curves. All models now have a central star in front of the long hood with its two powerdomes; the hood star will in future be reserved for the E-Class and S-Class. The side view is characterized by the “cab-backward design,” while narrow tail lights emphasize the width of the rear.

C-Class with S-Class elements

The interior adopts design elements such as the steering wheel with double spokes, the oval air vents and the upright infotainment screen from the new S-Class. The LCD screens offer three display styles: classic, sporty and discreet. The second-generation MBUX infotainment system adopts the full-screen navigation from the S-Class as well as the intelligent “Hey Mercedes” voice assistant. The software can be updated remotely with OTA updates. The driver assistance systems have been further developed, so the active distance assistant can now also react to stationary vehicles, the steering assistant supports the driver up to a speed of 210 km/h and the traffic sign assistant now recognizes more signs.

The more dynamically designed chassis uses a new four-link front axle and a multi-link rear axle. The plug-in hybrid models are equipped with air suspension on the rear axle as standard. Rear-axle steering is also available as an option.

Electrification on the advance

The new C-Class is powered exclusively by electrified in-line four-cylinder engines. They come from the Fame (Family of Modular Engines) engine family and, in addition to turbocharging, feature electrical support from the Integrated Starter Generator (ISG). This contributes up to 15 kW (20 PS) of power and 200 Nm of torque. The 48-V electrical system enables functions such as coasting, boost or recuperation. Power transmission is handled by the enhanced 9G-Tronic transmission.

The range of gasoline engines starts with the C 180 with 1.5 l of displacement, 125 kW (170 PS) and 150 kW (204 PS) of power. These are joined by the C 300, whose 2.0-l engine produces 190 kW (258 PS). The 2.0-l C 220 d and C 300 d diesel engines are 147 kW (200 PS) and 195 kW (265 PS) respectively. In addition, PHEV models with an electric drive output of 95 kW (129 PS) and a purely electric range of around 100 km according to WLTP are to follow. Diesel plug-in hybrids are also planned.

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