My '87 300E had seriously faded bumpers, door handles and lower-body cladding. I tried both the Meguier's and Auto Magic (the latter is only sold to and by pro detailers I think) reconditioners and the improvement was very slight. I just tried the Griot's Garage bumper and trim reconditioner, and man, that stuff worked great. The bumpers almost look new. The body cladding looks much better, and the door handles look somewhat better. For $13, I highly recommend anyone with faded bumpers try this. I wish I had before and after pics to post as the difference is really dramatic.

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2005 Mercedes C230k sport sedan, 6 speed
1987 Porsche 924S - 968-engined track car

Griot's is pricey, but some of their stuff is really good. I like their Speedshine for a quick cleanup at car shows. I've had good luck also with their rubber cleaner and their vinyl and rubber conditioner.

Wes

Just got my Griot's catalog a couple of weeks ago.

I plan on getting the bumper reconditioner...thanks for the endorsement.

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2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car