Arrive in Cassis on the shores of the Mediterranean from southern Germany with an electric car and travel 1008 kilometers without recharging its battery, this is what a Mercedes prototype has just achieved.
The model, baptized “EQXX”, “
tests for the first time technologies which will begin to arrive in series in two to three years
”, assures Markus Schäfer, responsible for research and development at the executive board of the German group.
The route chosen made it possible to test
“several different profiles”
of roads, temperatures and slopes, with in particular the challenge of crossing the Italian Alps, underlined Markus Schäfer.
It arrived after approximately 12 hours of travel, with the equivalent of some 140 km of remaining autonomy.
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Equipped with a battery of one hundred kilowatt hours (kWh), the prototype consumed an average of only 8.7 kWh per 100 kilometers - less than half of current comparable models.
To achieve this sobriety, Mercedes has combined several elements: an aerodynamic profile for the vehicle, improved braking energy recovery, a lighter battery, solar panels on the roof to power the on-board systems, new materials lighter and a transmission system with very little energy loss... A new chemistry for this battery, which the manufacturer intends to deploy more widely by 2024, makes it denser, therefore smaller and less heavy for as many ability.
Today, the EQS electric S class, the brand's ultimate, at more than 100,000 euros, consumes between 16 and 17 kWh over 100 km depending on the approval.
The range is 780 km according to the WLTP standard.
By comparison, Tesla's Model 3 and S have up to 650 km of range according to the WLTP standard.
