- GL 320 CDI (X164) w/ 3.0L OM642.820 Engine (2007-2008)
- GL 320/350 BlueTEC (X164) w/ 3.0L OM642.820 Engine (2009-2012)
- ML 320 CDI (W164) w/ 3.0L OM642.940 Engine (2007-2008)
- ML 320/350 BlueTEC (W164) w/ 3.0L OM642.820 Engine (2009-2011)
- R 320 CDI (W251) w/ 3.0L OM642.950 Engine (2007-2008)
- R 320/350 BlueTEC (W251) w/ 3.0L OM642.870 Engine (2009-2012)
OPTIMAL AG & Co. KG has been supplying quality spare parts for axles, brakes, steering mechanisms, engines and other automotive products since its establishment in 1992. OPTIMAL AG & Co. KG supplies parts to the aftermarket which are sourced from production partners from all around the world, OEMs and quality suppliers.