Carnauba is great if you get a good quality one that doesn’t stain trim.
I’ve tried Pinnacle Souveran and it’s the absolute best I’ve ever used. On my black GL550 is was amazing. Super slick, and beautiful glow, while not staining trim. Also, super easy to remove. Just a joy to use. The only drawback is that it does not last more than a couple of weeks.
For me, sometimes it’s kind of therapeutic to apply wax to my freshly washed car so I don’t mind using it if I want it to pop, and the process takes literally 20 min from start to finish. It’s that easy to apply that wax.
A little pricey but the old adage applies. You get what you pay for. For me the ease of use is totally worth the extra cost:
Pinnacle Souveran Paste Wax - Souverän is The Wax for Perfectionists! Pinnacle Souverän Carnauba Paste Wax is the wax for perfectionists, so named for it's dazzling, 3-dimensional depth and unmatched brilliance. Formulated with ...
www.autogeek.net
If you are going for longevity, than a sealant is the way to go, as you will get easily (a realistic) three months or more use out of it. Still easy to use, but just a tad more work to remove. Not much, but not as easy as wax. This one‘s my favorite. Amazing slickness and water repellency btw:
Buy Meguiar's M2116 Mirror Glaze Synthetic Sealant 2.0, 16 Fluid Ounces, 1 Pack: Waxes - Amazon.com ✓ FREE DELIVERY possible on eligible purchases
smile.amazon.com
I’ve since moved on from these to EXO4 Ceramic coating on my GLE53, which is the ultimate in gloss and protection (and also affordable and easy to use if you take your time), but that’s a topic for another thread.
Let me know if you have any other questions.
Cheers,