Product suggestions for Mercedes CLS 63 AMG front grill

[Buzzards Bay]

Recently acquired a 2013 Mercedes CLS 63 AMG and have almost finished my first complete detail on this vehicle. The only piece remaining is the plastic grill on front end. Am looking for suggestions on products to protect the black plastic grill, and would rank longevity of products over ease of application. Thanks for any assistance members can provide. So far have clayed and polished vehicle and applied the following products.
G Techniq Crystal Serum Light
G Techniq EXO
G Techniq C5 Wheel Armor
IGL Ecocoat Headlight kit
Car Pro Perl

[TTQ B4U]

Adams in and out or Megs plastic and trim coating. Both are great.

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[The Guz]

If you want something quick that needs to be used every other wash then Meguiar's D4510 is good for that. Works well in areas like this even if it does not have last that long. If you are looking to coat it then you can pick up a trim coating like CarPro DLUX and spend some time coating each honeycomb. You could also use Perl in the same manner instead of a coating.

[Oz_TCH]

After wash sometimes I use this... Easy Peasy.

https://s.yimg.com/aah/autogeek/griot-s-garage-foaming-poly-gloss-3.gif