In-depth reviews

Mercedes GLE hybrid range, MPG, CO2 & charging

The GLE 350 de has a really impressive electric range – double that of most plug-in hybrid SUVs

Overall rating

4.0 out of 5

Range, MPG, CO2 & charging rating

4.5 out of 5

Price
£60,565 - £68,800
Fuel Type:
Hybrid Diesel
Fuel economyCO2 emissionsElectric rangeWallbox charge time
313-404mpg19-23g/km66 miles3hrs 15mins (10-100%, 7.4kW)

Traditionally, large SUVs have used diesel engines because they have stronger torque and more palatable fuel economy than a petrol engine of the same size. This is partly why Mercedes has gone with diesel power for the plug-in hybrid GLE – it allows for good fuel economy when the electric motor isn’t driving the car, especially on the motorway. Rivals for the GLE, such as the Audi Q7, Volvo XC90 and BMW X5 hybrids, pair their electric motors with petrol engines. Yet that’s not all – the GLE also has a highly impressive all-electric range.

Mercedes GLE hybrid range, MPG & CO2 emissions

Thanks to its 30.8kWh battery, the GLE 350 de has an electric range of 66 miles. That’s more than double what most plug-in hybrid cars are able to achieve; for example, the smaller Mercedes GLC plug-in can only travel for up to 29 miles on a full charge before the engine comes on.

The range figure is very important, as when combined with the car's official CO2 emissions of 19-22g/km, it means the GLE 350 de is in the 7% company-car Benefit-in-Kind (BiK) tax band. Other versions of the GLE are in the 37% band, which shows how much of a difference choosing a plug-in can make to running costs.

That official fuel-economy figure of around 400mpg is only going to be possible if you stick to electric power for the vast majority of your driving, but you can expect to get around 40mpg even when the battery is empty.

Charge time

Mercedes says that the GLE 350 de's on-board charger allows for a top up from a standard home wallbox in three hours and 15 minutes (10-100%). Charging from a three-pin plug will be much slower, at 11-and-a-half hours. That's still quick enough for overnight charging, but clearly a wallbox will be a worthwhile investment if you're running a GLE hybrid.

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