2012 Mercedes-Benz ML-Class

The hybrid graveyard is growing. BMW and Mercedes-Benz, the German luxury makers that teamed up to adapt GM's Two-Mode Hybrid to high-end luxury vehicles, have both canceled both the hybrid vehicles that used the system for 2012, after no more than three model years. Pricey and low-production We learned last month that the Mercedes-Benz ML 450 Hybrid (b. 2009, d. 2011) would not carry over into the redesigned, all-new 2012 Mercedes-Benz ML-Class lineup. Now BMW has ended its ActiveHybrid X6 (b. 2010, d. 2011), the only other vehicle to use the pricey and complex GM Two-Mode Hybrid system that...