12V 150W Car Heater for Mercedes‑Benz SL‑Class (R129) 1989–2001 Key benefits Fast defrost and demist: Heats quickly to clear frost and reduce windshield fog, so you can start driving sooner and safer on cold mornings. Year‑round comfort: 2‑in‑1 heating and fan modes let you switch between warm airflow in winter and increased ventilation in warmer weather. Even, effective warming: ‑volume circulation delivers steady airflow to warm the cabin more evenly than a singlepoint heater. Durable, reliable construction: Alloy heating wire and heat‑resistant outer components provide steady performance and long service life. What it is and how it works Function: Portable 12V heater with two operating modes — heating and fan — selected by a simple switch. Plug into the vehicle cigarette lighter/12V socket to power the unit. Performance: 150W power output with a fast‑warming design that first delivers airflow and then warm air to speed up defrosting and cabin warming. Materials: Alloy heating wire for consistent heat and slow aging; outer housing engineered to resist deformation or cracking at higher temperatures. Compatibility and important note Designed for Mercedes‑Benz SL‑Class (R129) model years 1989–2001. Electrical requirement: 12V, 150W. Before , verify that your vehicle's cigarette lighter/12V accessory socket supports this voltage and power rating. Practical use scenarios Winter morning startup: Place the heater on the dashboard, turn to heating mode, and clear frost and windshield fog quickly before driving. Cold traffic or idling: Run heating mode to maintain cabin warmth and comfort during slow traffic or while parked. Summer ventilation boost: Use fan mode to improve airflow and reduce trapped heat or stale air inside the cabin when you need extra circulation. What makes it stand out Dual‑mode convenience (heat and fan) for seasonal versatility. airflow and convection design for faster, more even warming and quicker defrosting. Built with durable materials (alloy heating element and heat‑resistant housing) for long‑term use across seasons. Installation and use tips Simple plug‑in operation via the cigarette lighter/12V socket; place on a stable, non‑flammable surface directed at the windshield or cabin area to maximize defrosting and airflow. Confirm socket power rating before use to avoid overloading the accessory outlet.