12V 150W Car Heater for Mercedes‑Benz GLB‑Class (X247) 2019–2025 Key benefits Fast defrost and demist: quickly clears frost and windshield fog to improve visibility and safety in cold conditions. Year‑round comfort: 2‑in‑1 heating and fan modes provide warm air in winter and improved airflow in summer. Plug‑and‑play compatibility: designed for vehicles with a 12V cigarette lighter socket; simple switch operation for instant use. Durable, reliable performance: alloy heating wire and heat‑resistant casing deliver steady warmth and long service life. What it does and why you need it Defrosts and demists faster than relying on your car's heater alone, reducing waiting time on cold mornings and improving driving safety. Provides supplemental cabin warmth for quick comfort during short trips or while the main heater warms up. Acts as a cooling fan in warm weather to boost airflow and reduce stuffiness when parked or idling. Features and performance Voltage and power: 12V, 150W — designed to work with standard automotive cigarette lighter sockets. Before , confirm your vehicle's socket supports this voltage and power. Two operation modes: heating and fan mode selectable with a simple switch. airflow and circulating convection: rapid air delivery transitions to warm air to clear ice, frost, and fog more effectively and distribute heat evenly in the cabin. Construction and materials: alloy heating wire for steady heat output and resistance to aging; outer components engineered to resist deformation or cracking at elevated temperatures for reliable seasonal use. Portable design: easy to place on the dashboard or center console for targeted defrosting or airflow. Use scenarios Winter morning commute: plug in to defrost the windshield and warm the cabin while the engine and main heater are still cold. Short errands or deliveries: provide immediate heat for driver comfort during brief trips when running the car heater is inefficient. Summer ventilation: use fan mode to circulate air after the vehicle has been parked in the sun or to improve airflow while idling. Compatibility and safety Compatible models: Mercedes‑Benz GLB‑Class (X247) model years 2019–2025. Important: verify that your vehicle's cigarette lighter socket supports 12V and the 150W load before installation. Use only while the unit is placed securely and follow standard vehicle safety practices to avoid obstruction of controls or vents.