Tire Valve Stem Cap
Thread Starter
Newbie
Joined: Dec 2013
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ML350, GL550
Tire Valve Stem Cap
My GL550 finally came in yesterday and today I noticed that the tire valve stems have green plastic caps. Is something missing? IMO they look terrible, although it took me 24 hours to notice!
MBWorld Fanatic!
Joined: Aug 2013
Posts: 1,267
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From: Alberta, Canada
'18 GLE63S AMG /'19 PORSCHE TURBO S / '09 CORVETTE ZR1 /'14 LEXUS RX350/'16 RAV4 Ltd
Senior Member
Joined: Mar 2003
Posts: 272
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From: Suburban Chicago
2013 GL550
Yes - Green caps indicate nitrogen fill. You can replace with anything that Nanook posted but make sure they are made of either plastic or aluminum. Caps made with other metals may interact with the aluminum valve stem and corrode on there, making removal difficult at best. Ask me how I know.
Bruce
Bruce
