Mercedes-Benz Coolant Expansion Tank 1645000049 – M-Class, GL-Class & SLS AMG

Coolant expansion tank designed for several mid-to-late 2000s and early 2010s Mercedes-Benz SUVs. Applications shown include M-Class / ML-Class (W164, 2005–2011) including ML320, ML350, ML450, ML550 and ML63 AMG; GL-Class (X164, 2006–2012/2015) including GL320, GL350, GL450 and GL500; and SLS AMG (2010+) using the same expansion tank configuration. Please confirm compatibility using the vehicle VIN/chassis number before purchase.