RKX Gas cap replacement Fuel Seal. Compatible with Mercedes- O ring 1684710679 W209 W203 W216
Product Description
RKX Gas cap replacement Fuel Seal. Compatible with Mercedes- O ring 1684710679 W209 W203 W216
- Genuine RKX Gas cap seal compatible with Mercedes Benz applications
- This is a common failure point that can case check engine lights for evap leaks and other faults
- Don't settle for aftermarket caps that cause more problems than they solve. Resealing your cap allows you to retain your high quality OEM cap
- Designed and tested to work with a wide range of OEM gas caps manufactured from 2001 - 2017
- Please check pictures carefully before ordering! A "flat style" gas cap seal was also used and this will not fit those applications.
Genuine RKX Gas cap seal for Mercedes applications
Made from high quality nitrile rubber
Fits most 2001 - 2016 Mercedes gas caps that use double lip style seal (Please study pictures carefully before ordering)
This is a common failure point that can cause check engine lights for evap leaks and other faults.
Common fault codes are P0440 / 16824, P0456 / 16840, P0442 / 16826, P0455 / 16839.
Don't settle for aftermarket caps that cause more problems than they solve!
Reseal your factory cap!
The RKX seal has been designed and tested to work with a wide range of gas caps manufactured by Mercedes.
The RKX gas cap seal is compatible with most factory Mercedes caps used between 2001-2016
Please note some mercedes Use a cap with a flat style seal. This will not fit caps that use flat style seals. Please study the pictures carefully!
Advantages of replacing just the gas cap seal:
- More affordable
- Retain high quality OE cap with theater
- Avoid gas cap warning lights from using aftermarket caps







