If the gloss was developed by applying a product having silicone in it then that would be a bad thing. When I purchased my car I was able to confirm that many different products were applied to the hoses. They had a hard/brittle yellowish coating that would not come off and was cracking all over the place.

For POM I decided to just replace all the hoses before my first show. Make sure you buy Mercedes hoses with the Star on them. This is one of the items checked for authenticity when a car is being judged. Afterwards just wipe them down periodically with a damp rag. Apply no chemicals.

Good luck - art

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Art Bourget

1983 300SD
1st In Class - Starfest Concours 2004
1st In Class - StarTrack Concours 2003
1983 300TDT
1985 300D

MBCA - Niagara Section