Seres Joins BMW, Mercedes in China Premium Charging Joint Venture

Seres Joins BMW, Mercedes in China Premium Charging Joint Venture

CnEVPost
CnEVPostApr 17, 2026

Key Takeaways

  • Seres acquires 33.3% stake in Ionchi JV with BMW, Mercedes.
  • Ionchi targets 1,000 supercharging stations and 7,000 piles by 2026.
  • Network currently at 430 stations, 2,408 points across 37 Chinese cities.
  • Aito M6 SUV pre‑sales start at ¥269,800 (~$39k) with 896‑channel LiDAR.
  • Premium charging offers reservations and priority power for BMW, Mercedes, Aito users

Pulse Analysis

China’s premium EV charging landscape is being reshaped by a rare three‑way partnership that brings together Seres, BMW and Mercedes‑Benz. By each holding an equal one‑third share of Ionchi, the trio can pool resources to meet an ambitious target of 1,000 ultra‑fast stations and 7,000 high‑power piles by 2026. This scale is crucial as Chinese consumers increasingly demand rapid, reliable charging for luxury electric vehicles, and it positions Ionchi as a direct competitor to state‑backed networks that dominate the market.

The strategic timing aligns with Seres’ rollout of its Aito M6 SUV, priced at roughly $39,000 and equipped with an industry‑leading 896‑channel LiDAR system. By linking Aito to Ionchi’s premium network, the brand can offer exclusive reservation capabilities and priority power allocation, differentiating its vehicles from rivals. For BMW and Mercedes‑Benz owners, the expanded network promises a seamless charging experience across major urban districts, reinforcing the premium positioning of their electric line‑ups in China’s most lucrative automotive market.

Regulatory approval remains a final hurdle, but the partnership’s structure suggests a long‑term commitment to service innovation and geographic expansion. As the joint venture scales, it could set new standards for customer service, operational reliability, and integration of digital reservation platforms. Industry observers will watch whether this collaborative model spurs similar alliances, potentially reshaping how global automakers approach EV infrastructure in high‑growth regions.

Seres joins BMW, Mercedes in China premium charging joint venture

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