A4518203810 Convertible Roof Control Switch for Smart Fortwo W451 Chassis 2007–2015
1.Precise Multi-Gear Control – Smooth actuation for open/close/tilt modes, clear tactile feedback, zero jamming for effortless sunroof adjustment.
2.Vehicle-Specific Perfect Fit – Factory-calibrated to original mounting & harness, plug-and-play installation, no wiring tweaks required.
3.Sealed Weatherproof Design – Enclosed internal circuit, dust/moisture/temperature resistant, stable performance in all driving conditions.
4.Wear-Resistant Longevity – High-toughness button with anti-fading markings, reinforced contact pins, withstands frequent daily use and vehicle vibration.
5.Batch-Tested Electrical Reliability – Full production batch.
performance & aging testing, consistent signal transmission, low after-sales failure rate.
Product Details
| Brand: | KM |
| OEM NO.: | A4518203810 |
| Pins: | 4 pins |
| Material: | ABS Plastic |
| Switch Type: | Push Button |
| Connector Type: | Plug and Play |
| Usag: | For Replace |
| Packing: | Bubble bag+Inner Box+ Outer Cartons |
| Warranty: | 12 months |
| Place of Origin: | Mainland , China |
| Delivery Time: | 24 hours if in stock |
Suitable Vehicles
| Make | Model | Year Range | Body/Trim Notes |
|---|---|---|---|
| Smart | Fortwo (W451 Chassis) | 2007–2015 | Cabriolet (Convertible), all trims (1.0L, 0.8L CDI, Brabus) |














