RKX Mercedes Gas cap replacement seal

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

Part number interchange: 1684710679, 168 471 06 79, A 221 470 06 05A2214700605, 1644700030, 164 470 00 30