They'll run on electric power 90 percent of the time, Mercedes estimates.

The new Mercedes-Benz CLA 250e, CLA 250e Shooting Brake, and GLA 250e expand the models' powertrain options by adding a plug-in hybrid powertrain to the range. These vehicles will be available in Europe this spring, but there's no info yet about North American availability.

All of these models combine a 1.3-liter combustion engine and electric motor with a total system output of 215 horsepower (160 kilowatts) and 332 pound-feet (450 Newton-meters) of torque. The only gearbox choice is an eight-speed dual-clutch gearbox. The hybrid system's battery pack measures 15.6 kilowatt-hours. 

Gallery: Mercedes CLA 250e and GLA 250e

For the CLA 250e, Mercedes estimates a WLTP range of 37 miles to 43 miles (60 kilometers to 69 kilometers). The CLA 250e Shooting Brake should be capable of 36 miles to 42 miles (58 kilometers to 68 kilometers), and the GLA 250e would do 33 miles to 38 miles (53 kilometers to 61 kilometers).

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The packaging of the PHEV system includes re-routing the exhaust and integrating the fuel tank into the rear axle installation space to open up the room necessary for fitting the battery. Mercedes says this layout allows for "only minimal reduction" of rear cargo capacity.

These models get Mercedes' route-based system that evaluates navigation data and speed limits that alters the electric drive mode to make the most of the hybrid tech. Drivers can also force the system into a driving mode that prioritizes electric power unless the person depresses the accelerator enough that the computer decides that the combustion engine is necessary. The automaker estimates that 90 percent of everyday driving can be done purely using electric power.

Source: Mercedes-Benz
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Three new plug-in hybrid models complete the Mercedes-Benz compact-car family: CLA Coupé, CLA Shooting Brake and GLA now with EQ Power

Stuttgart.   Mercedes‑Benz Cars is continually increasing its range of plug-in hybrids under the EQ Power label. With the CLA 250 e Coupé (combined fuel consumption 1.5-1.4 l/100 km, combined CO2 emissions 35-31 g/km, combined electrical consumption 15.1-15.0 kWh/100 km)1, CLA 250 e Shooting Brake (combined fuel consumption 1.6-1.4 l/100 km, combined CO2 emissions 37-33 g/km, combined electrical consumption 15.4-14.8 kWh/100 km)[1] and GLA 250 e (combined fuel consumption 1.8-1.6 l/100 km, combined CO2 emissions 42-38 g/km, combined electrical consumption 16.1-15.5 kWh/100 km)[2], Mercedes-Benz is completing the range of EQ Power models in the compact-car family with the third-generationhybrid drive system. The new models can be ordered in spring of this year, with the market launch following just a few weeks later.

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 71-79 km (NEDC)
Electric output 75 kW
System output 160 kW
System torque 450 Nm
Alternating-current (AC) charging system up to 7.4 kW
Direct-current (DC) charging system at max. 24 kW
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 8G-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 motor'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.

High system output provides for plenty of driving enjoyment

The electric machine achieves 75 kW. Together with the 1.33-litre four-cylinder engine this produces a system output of 160 kW (218 hp) and a system torque of 450 Nm. Thanks to the EQ Power of the electric motor, these vehicles respond to the accelerator very rapidly and deliver impressive performance: 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), for example, requires 6.6 seconds for the sprint from 0 to 100 km/h, and its top speed is 235 km/h (see next page for further data).

A lithium-ion high-voltage battery with a total capacity of approx. 15.6 kWh is used as an electric energy storage unit. The new compact models can be charged with alternating current or direct current. A corresponding vehicle socket is located in the right-hand side wall of the vehicles. This means that the compact plug-in hybrids can be charged at a 7.4 kW wallbox with alternating current (AC) within 1 h 45 min from
10-100 percent SoC (State of Charge). For direct-current (DC) charging at 24 kW, the battery can be charged from 10-80 percent SoC in around 25 minutes.

The batteries are supplied by the wholly owned Daimler subsidiary Deutsche ACCUMOTIVE. The high-voltage battery is water-cooled and weighs approx. 150 kg.

Clever packaging

An innovative exhaust system allows exceptionally clever packaging: to enable only minimal reduction in boot capacity compared with the sister models without hybrid engines, the exhaust ends in a centrally positioned outlet under the vehicle floor, with the rear silencer housed in the transmission tunnel. Integrating the fuel tank into the axle installation space creates additional room beneath the rear seats for the high-voltage battery.

The compact vehicles are equipped with third-generation plug-in technology. Its functions include in particular the intelligent, route-based operating strategy, taking factors such as navigation data, speed limits and route into account. The operating strategy takes into account the entire planned route and prioritises the electric driving mode for the most sensible route sections in each case.

With the launch of MBUX (Mercedes-Benz User Experience) the previous plug-in operating modes of all EQ Power models have been converted to drive programs. That means that in every Mercedes-Benz plug-in hybrid the new drive programs "Electric" and "Battery Level" are available. This is the case from the outset for the compact models. Maximum e-performance can be experienced in "Electric". The combustion engine is only engaged if the driver uses kickdown on the accelerator pedal. In the "Electric" program, the energy recovery level can also be selected via paddles behind the steering wheel. The paddles on the steering wheel enable the selection of five different recuperation levels (DAUTO, D+, D, D- and D--).

Comfort, ECO and Sport modes are also available. According to the given requirements, the driver is thus able to give priority to electric driving, place the emphasis on driving dynamics in combined drive mode or give preference to combustion mode in order to save electric range, for example.

One important comfort feature is the pre-entry climate control prior to starting a journey, which can also be activated conveniently by smartphone. The towing capacity of the compact hybrids is impressive at 1600 kg (braked).

The data at a glance

 

A 250 e[3]

A 250 e Saloon1

B 250 e1

CLA 250 e1 Coupé

CLA 250 e1
 Shooting Brake

GLA 250 e6

Number of cylinders/arrangement

4/in-line

Displacement (cc)

1332

Petrol engine rated output
(kW/hp at rpm)

118/160 at 5500 +/- 1.5%

Petrol engine rated torque (Nm at rpm)

250 at 1620

Electric motor rated output (kW)

75

Electric motor rated torque (Nm)

300

System output (kW/hp)

160/218

System torque (Nm)

450

Acceleration 0-100 km/h (s)

6.6

6.7

6.8

6.8

6.9

7.1

Top speed (km/h)[4]

235

240

235

240

235

220

Top speed, electric (km/h)

140

Combined fuel consumption
from (l/100 km)

1.5-1.4

1.4

1.6-1.4

1.5-1.4

1.6-1.4

1.8-1.6

Combined CO2 2 emissions
from (g/km)

34-33

33-32

36-32

35-31

37-33

42-38

Total battery capacity (kWh)

15.6

Combined electrical consumption (kWh/100 km)

15.0-14.8

14.8-14.7

15.4-14.7

15.1-15.0

15.5-14.8

16.1-15.5

NEDC electric range (km)

74-76

75-77

70-77

72-79

69-76

64-71

WLTP electric range (km)[5]

60-68

61-69

56-67

60-69

58-68

53-61

Prices starting at (euros)[6]

36,943.55

37,300.55

37,663.50

-

-

-

90 percent of everyday driving can be completed in all-electric mode

With the help of the free EQ Ready App,[7] available free of charge, Mercedes-Benz has established how long the journeys of people interested in e-mobility are on average. The results show that

90 percent of all journeys are shorter than 50 kilometres,
96 percent of all journeys are shorter than 100 kilometres and
99 percent of all journeys are shorter than 400 kilometres
The range of average distances per journey by interested persons varies in the individual markets, extending from just over eight kilometres in Hong Kong to slightly more than 27 kilometres in the Netherlands, where there is particularly high interest in e-mobility. This means that 90% of everyday trips can be completed exclusively under electric power with Mercedes-Benz's current plug-in models.

Mercedes me Charge helps with charging en route

As well as using the domestic power supply, e.g. at a Mercedes-Benz Wallbox, convenient and uncomplicated charging is possible during the journey, too. That's because the MBUX infotainment system (Mercedes-Benz User Experience) assists the driver in finding charging stations. The MBUX system understands natural speech, allowing the driver to start a search simply by saying "Hey Mercedes, find charging stations nearby".

Via Mercedes me Charge, drivers of a plug-in hybrid model can optionally obtain access to one of the world's largest charging networks, with over 300 different operators in Europe alone (municipalities, car parks, motorways, shopping centres, etc.). Thanks to navigation, Mercedes-Benz customers can find these stations easily and can gain convenient access to the charging stations via the Mercedes me Charge card, the Mercedes me App or directly from the car. No separate contracts are necessary for this: apart from simple authentication, customers benefit from an integrated payment function with simple billing after they have registered their payment method once. Each charging process is booked automatically. The individual charging processes are clearly listed in a monthly invoice.

[1] The stated figures are the measured "NEDC CO2 figures" in accordance with Article 2 No. 1 Implementing Regulation (EU) 2017/1153. The fuel consumption figures were calculated based on these figures. The range and the electrical consumption have been determined on the basis of Regulation (EC) No. 692/2008. A different figure may apply as the basis for calculation as per the German Electric Mobility Act (EmoG). A higher value may apply as the basis for calculating the motor vehicle tax.
Further information on the official fuel consumption and the official specific CO₂ emissions of new passenger cars can be found in the "Guide to Fuel Consumption, CO₂ Emissions and Electricity Consumption" for new passenger cars, which is available free of charge at all sales outlets and from Deutsche Automobil Treuhand GmbH at www.dat.de.

[2] Figures for the fuel consumption, electrical consumption, range and CO2 emissions are provisional, and were determined by the Technical Service for the certification process acc. to the WLTP test procedure, then correlated for NEDC values. EC type approval and certificate of conformity with official figures are not yet available. Differences between the stated figures and the official figures are possible.

[3] The stated figures are the measured "NEDC CO2 figures" in accordance with Article 2 No. 1 Implementing Regulation (EU) 2017/1153. The fuel consumption figures were calculated based on these figures. The range and the electrical consumption have been determined on the basis of Regulation (EC) No. 692/2008. A different figure may apply as the basis for calculation as per the German Electric Mobility Act (EmoG). A higher figure may apply as the basis for calculating the motor vehicle tax.

[4] Electronically limited

[5] AER combined. All-electric range: All-electric range with fully charged battery until the combustion engine starts for the first time.

[6] Recommended retail prices for Germany including 19% VAT.

[7] https://www.mercedes-benz.com/de/eq/ueber-eq/eq-ready/ 

6 Figures for the fuel consumption, electrical consumption, range and CO2 emissions are provisional, and were determined by the Technical Service for the certification process acc. to the WLTP test procedure, then correlated for NEDC values. EC type approval and certificate of conformity with official figures are not yet available. Differences between the stated figures and the official figures are possible.