Plug-in hybrids are an important milestone on the road to zero-emissions driving. Mercedes‑Benz Cars is pushing ahead with the development of its plug-in hybrids under the EQ Power label. With the A 250 e (combined fuel consumption 1.5-1.4 l/100 km, combined CO2 emissions 34-33 g/km, combined electrical consumption 15.0-14.8 kWh/100 km)1, A 250 e Saloon (combined fuel consumption 1.4 l/100 km, combined CO2 emissions 33-32 g/km, combined electrical consumption 148 -147 kWh/100 km)1 and B 250 e (combined fuel consumption 1.6-1.4 l/100 km, combined CO2 emissions 36-32 g/km, combined electrical consumption 15.4-14.7 kWh/100 km)1 models from the compact-car family with the third-generation hybrid drive are now celebrating their premiere. The A 250 e and A 250 e Saloon can be ordered now at prices from €36,943.55[2] and €37,300.553. Sale of the B 250 e starts a few weeks later. Market launch of the models will take place this year. The EQ Power for the A- and B-Class underscores Mercedes-Benz’s plug-in initiative: the company aims to extend its offering to more than 20 model variants by 2020.
For the new compact vehicles with EQ Power, (electric) driving pleasure and suitability for everyday use are to the fore. This is illustrated by the models highlights:
- Electric operating ranges of 70-75 km (NEDC)
- Electric output 75 kW
- System output 160 kW
- System torque 450 Nm
- Top speed 140 km/h (electric)/235 km/h (total; A-Class Compact Saloon)
- Acceleration 0-100 km/h in 6.6 seconds (A-Class Compact Saloon)
- Hardly any restrictions on the load compartment.
The vehicles belonging to Mercedes-Benz’s compact car family feature transversely mounted engines. A compact hybrid traction head has been developed for the 8F-DCT dual clutch transmission which follows the same technical principles as the corresponding component on the vehicles with a longitudinally installed engine. It is a permanently excited synchronous machine as an internal rotor. The stator is permanently integrated in the traction head housing, while the low-loss wet clutch is incorporated in the electric machine’s rotor. On-demand stator and rotor cooling allow use of the electric motor’s peak and continuous output without any problems.
For the first time on a Mercedes-Benz vehicle, the combustion engine is started by the electric motor – the compact hybrids do not have a separate 12-volt starter.
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SOURCE: Daimler
