The all-new Mercedes-Benz C 300 de


The C 300 de Saloon or Estate is a particularly dynamic type of third-generation plug-in-hybrid technology from Mercedes-Benz. It is as well as the highly sophisticated four-cylinder diesel engine for the first time from the C-Class.

The result can be a car or truck that can cover a distance up to 57 km (NEDC) on energy alone with zero local emissions. What’s more, the amalgamation of diesel engine and electric motor offers outstanding motoring comfort, exceptional pulling power as well as efficiency because of the 9G-TRONIC 9-speed hybrid transmission. Receiving the first models is scheduled for mid-2019. There’ll naturally often be a plug-in-hybrid version with petrol engine in line with the current C-Class.

The new plug-in diesel hybrid from the C-Class combines Mercedes-Benz’s most sophisticated diesel engine using an externally chargeable hybrid system featuring a new lithium-ion battery perfect for storing 13.5 kWh of the time. Due to a water-cooled on-board charger with a capacity of seven.4 kW, it can be charged from 10 to One hundred percent SoC (State of Charge) in approx. 1.5 hours for a Mercedes-Benz Wallbox (see “Beneath microscope: charging” section) if ever the full power is required. The identical may be possible in around five hours even on a conventional domestic electrical power.


The existing OM 654 four-cylinder diesel engine sends a rated output of 143 kW (194 hp) and a peak torque of 400 Nm for the latest-generation 9G-TRONIC 9-speed hybrid transmission. It comes with a compact integrated hybrid traction head which includes a 90 kW electric motor that gives 440 Nm of torque from the standing start. Together the engine and motor achieve a system production of approximately 225?kW. Their combined torque is proscribed into a much more 700 Nm, sold at just 1400 rpm.

The third-generation hybrid technology’s energy management is simply effortlessly superior because the acceleration offered by this immense torque. The anticipatory ECO Assist uses the data coming from all the driving assistance systems C much like the radar sensor, cameras and navigation system C and enables the trucker to embrace an energy-saving and environmentally compatible driving style. The powertrain management calculates precisely whether it is suitable for the driver to come back away from the accelerator (and make use of the momentum for charging), how and when often the transmission should change gear just to save fuel and maximise the plethora of the electric drive, and exactly how the operating temperature coming from all major components has to be controlled to barter the other uphill gradient efficiently. When the driver has input a destination on the navigation system, electric battery charge is kept available for driving through cities and towns, while any regeneration with the particulate filter needed preferably takes places on motorway stretches.


For regeneration from the particulate filter, the combustion engine must run the very best enough along with a sufficiently high exhaust gas temperature, while a plug-in hybrid has reached its most effective when operation in the combustion engine is minimised. The Mercedes-Benz diesel plug-in hybrids therefore employ a partial burning-off strategy where the particulate load kept in the filter might be shed in portions when the weather is acceptable for this. In this instance, the electric motor can also specifically enhance the load for any combustion engine to offer the exhaust gas temperature required for regeneration. The electricity generated within this process charges the high-voltage battery for the following bout of emission-free driving.

The driver offers the final say, of course, and is also competent to select and influence the driving program and the operating mode. The ECO Assist helps by prompting the motive force in the future from the accelerator, use ‘gliding’ mode or activate recuperation. You’ll find it uses the haptic accelerator to tell the motive force when further acceleration is simply possible by activating the diesel engine. Following the trip it lets the motive force understand the distance covered as you move the combustion engine was turned off. Otherwise, the hvac operate independently from the combustion engine, allowing pre-entry climate control during the interior in summer or winter.

Technical data:

? C 300 de Saloon C 300 de Estate
Number of cylinders/arrangement/type 4/in-line/diesel 4/in-line/diesel
Displacement (cc) 1950 1950
Rated production of combustion engine (kW/hp at rpm) 143/194 at 3800 143/194 at 3800
Rated torque of combustion engine (Nm at rpm) 400 at 1600-2800 400 at 1600-2800
Rated production of motor unit (kW) 90 90
System output (kW/hp) 225/306 225/306
System torque (Nm) 700 700
Acceleration 0-100?km/h (s) 5.6 5.7
Top speed (km/h) 250 250
Top speed, electric (km/h) over 130 over 130
Combined fuel consumption from (l/100 km) 1.6-1.4 1.6-1.5
Combined CO2 emissions from (g/km) 42-38 42-39
Total battery capacity (kWh) 13.5 13.5
Combined electrical consumption (kWh/100 km) 18.7 19.1
Electric range (km) up to 57 up to 56
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