The Mercedes-Benz E 300 Plug-In Hybrid Saloon: The Complete Guide For The UK

Mercedes-Benz E300e Plug-In Hybrid
Price: £48,820
Type of electric vehicle: Plug-In Hybrid Electric Vehicle (PHEV)
Body type: Saloon
Battery size: 13.5 kWh
Electric range (WLTP): 34 - 35 miles
Tailpipe emissions: 35g (CO2/km)


Overview


Mercedes-Benz, simply known as Mercedes, is a leading global luxury automative manufacturer based in Germany. The company is headquartered in Stuttgart and is famed for its high quality passenger vehicles, to include the Mercedes-Maybach. However, the company is also a leader in manufacturing commercial vehicles, to include the plug-in Mercedes eSprinter commercial EV and the plug-in Mercedes eVito electric van.

Mercedes-Benz EQ is the sub-brand used by the company for its portfolio of battery-electric vehicles (BEVs), plug-in hybrid electric vehicles (PHEVs) and mild hybrids. The pure electric cars are branded as EQ, while the PHEVs are branded as EQ Power. The mild hybrid vehicles are branded as EQ Boost. The PHEV portfolio includes:



Electric Cars: The Basics


For those of you new to zero-emission electric driving, we recommend a read of the following articles:


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The Mercedes-Benz E 300 Saloon PHEV


The Mercedes-Benz E Class premium saloon is currently in its fifth generation. It was first introduced in 2016. The E Class includes both a petrol and diesel plug-in hybrid electric vehicle (PHEV) variant.

The PHEV has a 13.5 kWh onboard EV battery, with a claimed zero-tailpipe emission range up to 35 miles (WLTP certified). Of course, the real-world range will depend on a number of factors, to include: driving profile, speed, passenger load, weather and road condition etc. Assuming a 30 mile electric range is more realistic. In any case, for shorter distances, driving in cities and towns, the 30 – 35 miles electric range is sufficient.  

The EV also has regenerative braking to increase the zero-emission range. Do keep in mind that driving the PHEV on the electric mode will result in lower tailpipe emissions and cost savings. Depending on where and when the EV is charged, the cost per mile on electric mode is between 5 pence and 10 pence i.e. far cheaper than using the internal combustion engine (ICE).

Mercedes claims a fuel economy up to 188.4 mpg for the E300e and 217.3 mpg for the E300de. But achieving this will require using the onboard electric motor, powered by the EV battery on a regular basis. As is the case with the real-world electric range, expect the real-world fuel economy to be lower than the manufacturer claimed figures. However, the PHEV will deliver an improved fuel economy compared to the conventional internal combustion engine (ICE) variant, which delivers as low as 31.4 mpg.

The EV has a 7.4 kW onboard charger and can be charged 10% to 100% via a dedicated residential EV charger like Easee One in 90 minutes. Though the PHEV can also be charged using a conventional 3-PIN domestic plug (10% – 100%: 5 hrs), we at e-zoomed discourage the use domestic plugs for charging electric cars. Despite the price tag, the electric car is not compatible for rapid DC charging.

Both the petrol E300e PHEV and the diesel E300de PHEV, pair a 2.0-litre (4 cylinder) combustion engine with an electric motor (90 kW). The E300e PHEV delivers a combined system output up to 320 HP (700 Nm torque) and the E300de PHEV delivers a combined system output up to 306 HP (700 Nm torque).

The EV can achieve 0-62 mph in 5.9 seconds. The petrol plug-in hybrid has a top speed up to 155 mph. The diesel plug-in hybrid has a top speed up to 149 mph. In electric mode, the top speed is over 80 mph.

As can be expected from Mercedes, the E 300 PHEV has a luxurious interior and technology-laden, to include: Mercedes-Benz User Experience (MBUX) – controlled via voice or touch input, the innovative infotainment system can over time even predict personal habits thanks to artificial intelligence.

Other standard specifications include, active brake assist, blind spot assist, wireless charging, ambient lighting (staged – 64 colours), KEYLESS-GO starting function and high-resolution multimedia colour display.

The PHEV is practical for families and can comfortably seat adults in the rear seats (ample legroom and headroom). The boot space for the EV is smaller than the conventional internal combustion engine (ICE) variant, due to the EV battery. Nevertheless, the 370 litres available is practical.

The EV is also well suited as a company car. Company-car drivers can take advantage of the lower Benefit-in-Kind (BiK) tax rate, given the lower tailpipe emissions of the PHEV (35g CO2/km).

The plug-in hybrid electric vehicle does not qualify for the UK government plug-in car grant. Bottom-line, electric driving is good for the environment and the wallet. You can lease electric vehicles (EVs) via e-zoomed at very competitive prices!



PROS CONS
A good executive saloon, high quality interiors and standard equipmentLimited electric range (34 – 35 miles) given the price tag
Available as both petrol and diesel PHEVsNot compatible for DC charging
Good fuel efficiency for its classOn-board charger limited to 7.4 kW

Gallery


The Mercedes-Benz E 300 Saloon PHEV (credit: Mercedes)


At A Glance
EV Type:Plug-In Hybrid Electric Vehicle (PHEV)
Body Type:Saloon
Plug-In Car Grant (PiCG):Not Available
Engine:Petrol-Electric/ Diesel-Electric
Available In UK:Yes

Variants (4 Option)
Mercedes-Benz E 300 e/ E 300 de AMG Line Edition (from £48,820)
Mercedes-Benz E 300 e/ E 300 de AMG Line (from £53,130)
Mercedes-Benz E 300 e/ E 300 de AMG Line Premium (from £55,130)
Mercedes-Benz E 300 e/ E 300 de AMG Line Night Edition Premium Plus (from £57,630)

EV Battery & Emissions
EV Battery Type:Lithium-ion
EV Battery Capacity:Available in one battery size: 13.5 kWh
Charging:On-board charger 7.4 kW AC (10%-100%: 90 mins). DC charging not available
Charge Port:Type 2
EV Cable Type: Type 2
Tailpipe Emissions:35g (CO2/km)
EV Battery Warranty:6 years or 62,000 miles

Average Cost Of Residential Charging
Battery net capacity : 8.8 kWh £1.27
Battery net capacity : 11.6 kWh£1.67
Battery net capacity : 12.0 kWh£1.73
Battery net capacity : 13.10 kWh£1.89
Battery net capacity : 14.10 kWh£2.03
  • Note 1: The average cost of residential electricity in the UK varies depending on the region, supplier and type of energy used. An average for the UK is 14.40 p/kWh.
  • Note 2: Not all EV manufactures make available the data on net EV battery capacity, and in a number of instances the EV battery capacity advertised, does not state if it is gross or net capacity. In general, usable EV battery capacity is between 85% to 95% of the gross available capacity.

Charging Times (Overview)
Slow charging AC (3 kW – 3.6 kW):6 – 12 hours (dependent on size of EV battery & SOC)
Fast charging AC (7 kW – 22 kW):3 – 8 hours (dependent on size of EV battery & SoC)
Rapid charging AC (43 kW):0-80%: 20 mins to 60 mins (dependent on size of EV battery & SoC)
  • Note 1: SoC: state of charge

Dimensions
Height (mm):1475
Width (mm):2065
Length (mm):4935
Wheelbase (mm):2939
Turning Circle (m):11.6
Boot capacity (L):370

E 300e
EV Battery Capacity:13.5 kWh
Pure Electric Range (WLTP):35 miles
Electric Energy Consumption (kWh/100km):19.9 – 19.7
Fuel Consumption (MPG):156.6 – 188.4
Charging: On-board charger 7.4 kW AC (10%-100%: 90 mins). DC charging not available
Top Speed:155 mph (electric: 80+ mph)
0-62 mph:5.9 seconds
Drive: Rear-wheel drive (RWD)
Electric Motor (kW):90
Max Power (hp):320 (system output)
Torque (Nm): 700 (system output)
Transmission:Automatic
Seats:5
Doors:4
Kerb Weight (kg):1,990
Colours:10
NCAP Safety Rating:Five-Star

E 300de
EV Battery Capacity:13.5 kWh
Pure Electric Range (WLTP):34 miles
Electric Energy Consumption (kWh/100km):20.6 – 20.4
Fuel Consumption (MPG):188.3 – 217.3
Charging: On-board charger 7.4 kW AC (10%-100%: 90 mins). DC charging not available
Top Speed:149 mph (electric: 80+ mph)
0-62 mph:5.9 seconds
Drive: Rear-wheel drive (RWD)
Electric Motor (kW):90
Max Power (hp):306 (system output)
Torque (Nm): 700 (system output)
Transmission:Automatic
Seats:5
Doors:4
Kerb Weight (kg):2,060
Colours:10
NCAP Safety Rating:Five-Star

While e-zoomed uses reasonable efforts to provide accurate and up-to-date information, some of the information provided is gathered from third parties and has not been independently verified by e-zoomed. While the information from the third party sources is believed to be reliable, no warranty, express or implied, is made by e-zoomed regarding the accuracy, adequacy, completeness, legality, reliability or usefulness of any information. This disclaimer applies to both isolated and aggregate uses of this information.


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Author

Ashvin Suri

Ashvin has been involved with the renewables, energy efficiency and infrastructure sectors since 2006. He is passionate about the transition to a low-carbon economy and electric transportation. Ashvin commenced his career in 1994, working with US investment banks in New York. Post his MBA from the London Business School (1996-1998), he continued to work in investment banking at Flemings (London) and JPMorgan (London). His roles included corporate finance advisory, M&A and capital raising. He has been involved across diverse industry sectors, to include engineering, aerospace, oil & gas, airports and automotive across Asia and Europe. In 2010, he co-founded a solar development platform, for large scale ground and roof solar projects to include, the UK, Italy, Germany and France. He has also advised on various renewable energy (wind and solar) utility scale projects working with global institutional investors and independent power producers (IPP’s) in the renewable energy sector. He has also advised in key international markets like India, to include advising large-scale industrial and automotive group in India. Ashvin has also advised Indian Energy, an IPP backed by Guggenheim (a US$ 165 billion fund). He has also advised a US$ 2 billion, Singapore based group. Ashvin has also worked in the real estate and infrastructure sector, to including working with the Matrix Group (a US$ 4 billion property group in the UK) to launch one of the first few institutional real estate funds for the Indian real estate market. The fund was successfully launched with significant institutional support from the UK/ European markets. He has also advised on water infrastructure, to include advising a Swedish clean technology company in the water sector. He has also been involved with a number of early stage ventures.

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