Product Review

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