Mercedes Benz expansion tank coolant hose connector.
Coolant hose connector for various models of Mercedes-Benz vehicles. This connector is used to join coolant hoses to connector assemblies especially to connect the return hose to the top of the expansion tank in many MB models from the W211 forward. This component is not sold separately by MB and you are forced to purchase the complete hose assembly at great cost and often long delivery lead-time as the assemblies are seldom stocked here in Australia. The actual connector is shown in the pho