
2017 Mercedes-Benz C300 Push to Start Button
GH₵ 650
Paul BotchSold by Big Frhiday · Abossey Okai

Idle Valve Sensor - also called IAC Valve (Idle Air Control Valve). What it does: When your foot is OFF the accelerator - like when you are in traffic or when you first start in the morning - this small valve controls how much air enters the engine to keep it running stable.