HIFROM(TM) Replace Activated Charcoal Carbon Cabin Air Filter fits for GL320 GL450 ML320 ML350 ML500 R350 R500 Replace# 1648300218 A1648300218 A164830021864 (CUK 2646-2) (Pack of 2) 1. HIGH QUALITY & SUPPORT: from Professional Factory; Professional technical support; if you unsatisfy, can return no risk; High performance air filter from HIFROM 2. FUNCTION: Filters out pollen, spores, dust and harmful gases 3. Replace Part#: 1648300218, A1648300218, 164 830 02 18, 164 830 02 18 64 4. COMPATIBILITY: Compatible with : GL320, GL420, GL450, GL500, ML280, ML320, ML350, ML420, ML500, ML63, R280, R320, R350, R500, R63, Please check the pictures for the specific years carefully, If you are not sure if this is the correct item for your car please send us all your numbers and we will gladly check for you. 5. Dimension: Length : 254 mm; Width : 134 mm; Height : 40 mm; Package : 2pcs air filter