Consistent cabin heating performance for Mercedes-Benz full-size W251/V251 R-Class MPV vehicles with this OEM heater core inlet coolant hose, factory number A2515013982. Covering all 2005–2017 R-Class gasoline and diesel variants, it transmits hot engine coolant to the HVAC heater core to provide stable and sufficient interior heating for multi-purpose family vehicles.
Thickened fiber-reinforced EPDM rubber material is customized for automotive heating circulation systems, featuring outstanding resistance to long-term hot coolant corrosion, chassis vibration and extreme seasonal temperature changes. Its vehicle-specific molded shape, smooth inner bore and reinforced connection joints match original OEM standards to achieve reliable leak-free sealing. Aging original heater hoses produce tiny leaks and rubber aging failure, resulting in weakened heating effect and slow coolant loss. This OEM-spec replacement hose ensures unobstructed hot coolant circulation, eliminates hidden coolant seepage, maintains normal cooling system liquid level and guarantees stable cabin heating functionality for Mercedes-Benz R-Class MPV in all driving environments.