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Mercedes‑AMG GT XX Concept Sets 25 EV Endurance Records at Nardò

The feat served as a validation run for technology Mercedes plans to bring to an EA‑platform production car targeted for late 2026.

Overview

  • The concept covered 5,479 kilometers in 24 hours and 40,075 kilometers in 7 days, 13 hours, 24 minutes and 7 seconds with only brief charging pauses.
  • Testing took place on Nardò’s 12.6‑kilometer high‑speed oval, with most laps at roughly 300 km/h and a stated top‑speed potential of about 360 km/h.
  • The drivetrain uses three compact Yasa axial‑flux motors delivering about 1,000 kW (1,360 PS), with integrated inverters and gearsets for sustained output.
  • A purpose‑built, directly oil‑cooled 800‑volt battery with more than 3,000 NCMA cylindrical cells targets stable performance at high temperatures and claims energy density above 300 Wh/kg.
  • Charging was handled by a prototype Alpitronic unit at roughly 850 kW, equating to about 400 kilometers of range in around five minutes, as two vehicles completed over 3,000 laps in heat above 35°C.