Model ML280 W164. M-CLASS (W164). Function : Expansion Valve, air conditioning. Horse Power. Manufacturer Part Number 38547A. R 320 CDI 4-matic (251.022, 251.122) 2987 CCM 224 HP 01/2006 - 07/2010. R 500 4-matic (251.075, 251.175) 4966 CCM 306 HP 08/2005 - 12/2014.
