Model ML420 W164. M-CLASS (W164). Function : Dryer, air conditioning. Horse Power. Manufacturer Part Number 33353A. R 280 CDI 4-matic (251.020) 2987 CCM 190 HP 05/2006 - 12/2012. R 320 CDI 4-matic (251.022, 251.122) 2987 CCM 224 HP 01/2006 - 07/2010.
