Coolant hose A2742000300 for Mercedes Benz

This genuine-spec hybrid cooling system hose with OEM reference number A2742000300 is an exact factory replacement designed specifically for Mercedes-Benz plug-in hybrid models, including the C350e W205 (2016-2018) and GLC350e 4MATIC X253 (2016-2019). It is engineered for the 2.0L inline-four turbocharged petrol-electric hybrid powertrain, serving as a key component in the integrated cooling system that regulates temperatures for both the combustion engine and hybrid electric components.
Constructed from premium hybrid-grade EPDM rubber with reinforced internal layers, the hose withstands temperatures from -40°C to 135°C and provides excellent resistance to the specialized coolants used in Mercedes-Benz hybrid systems. All dimensions, bends, and connection interfaces are precisely manufactured to match the original A2742000300 specifications, enabling direct plug-and-play installation without any adjustments.
Meeting Mercedes-Benz's strict hybrid component standards, this cooling hose resolves common issues including coolant leaks in the hybrid cooling circuit, inconsistent temperature control for electric components, and cooling system pressure fluctuations. It restores proper thermal management for both the engine and hybrid battery system, ensuring reliable operation and preventing damage to sensitive hybrid electronics caused by overheating.