The German automaker will not just present the Project One hypercar and the electric hatchback concept at the Frankfurt Auto Show, but would also showcase the Mercedes GLC F-Cell – a plug-in electric luxury crossover.

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The Mercedes GLC F-Cell crossover will be equipped with a fuel cell stack developed by Daimler and Ford. The crossover’s lithium ion battery can be charged both internally via the hydrogen fuel cells as well as externally through a charging station. The carbon-fiber tanks are located on the crossover’s floor and are capable of storing 4kg of hydrogen. Official word suggests the F-Cell crossover will be capable of going 31 miles (50 km) on pure battery power and will have a combined range of about 311 miles (500 km).

Moreover, the GLC F-Cell has undergone about 500 individual tests including crash testing, aerodynamic check and also the wind tunnel test. The collective test results indicate that the Mercedes GLC F-Cell prototypes have used up around 200 tons of hydrogen and have released 1,800 tons of water vapor.

The automaker has not revealed any details regarding the power output or performance specifications. The GLC F-Cell crossover is expected to go on sale sometime in 2018 in select markets.