Retail price is $131.00. Wholesale is $105.00, which is approximately what Caliber Motors will sell it to you for.

From the parts explosion, it looks to be held in by 4 sheet metal screws.

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Mike Heath
1988 560SL Black/Palomino
1988 300SEL Black Pearl/Burgandy
1984 500SEC Anthracite Grey/Palomino