dont call the dealer. call phil, I am sure he can source one for you.
Remember there are two parts soutrces on this site, fastlane and partsshop. one might have but the other may not.
'92 300CE - Sold
2004 C240 - C7 Wheels
2015 ML350 - P1, Pano, Ash poplar wood, Sport Dinamica interior, Running Boards Keyless go.