This air intake tube hose is compatible with select M-Class W164 and GL-Class X164 vehicles.It is designed as a replacement A1645052061.Compatible models include: 2013 R350 4Matic Wagon 4-Door, 2013 R350 Bluetec 4Matic Wagon 4-Door, 2012 GL350 Bluetec 4Matic Sport 4-Door, 2012 R350 4Matic Wagon 4-Door, 2012 R350 Bluetec 4Matic Wagon 4-Door, 2011 GL350 Bluetec 4Matic Sport 4-Door, 2011 ML350 4Matic Sport 4-Door, 2011 ML350 Base Sport 4-Door, 2011 ML350 Bluetec 4Matic Sport 4-Door, 2011 ML350 Sport 4-Door, 2011 R350 4Matic Wagon 4-Door, 2011 R350 Bluetec 4Matic Wagon 4-Door, 2010 GL350 Bluetec 4Matic Sport 4-Door, 2010 ML350 4Matic Sport 4-Door, 2010 ML350 Base Sport 4-Door, 2010 ML350 Bluetec 4Matic Sport 4-Door, 2010 ML350 Sport 4-Door, 2010 R350 4Matic Wagon 4-Door, 2010 R350 Bluetec 4Matic Wagon 4-Door, 2009 GL320 Bluetec 4Matic Sport 4-Door.