Fuel Tank Gas Cap Filler Cap Fuel Cap Compatible with 1994-2020 Mercedes-Benz C300 C350 E550 S600 CLS550 CL600 SL500 S65 AMG SL65 AMG Replace# 221-470-06-05
【Functions 】 The function of the fuel tank cap is to prevent dirt and dust entering the tank and to ensure that fuel vapors do not escape, while the internal vacuum valve balances the air pressure in the tank. Please check whether the gas cap is working properly when the following situations occur: 1. smell of fuel from the outside or inside of the vehicle; 2. poor fuel economy; 3. gas cap not fitting properly;
【Durable Materials】 The main body of the gas cap is made of high-quality ABS plastic, which is sturdy and wear-resistant. The O-ring is made of nitrile rubber, providing excellent airtightness and oil resistance;