There are some seller's on ebay that claim they can fix these. You send them your cluster and they mail it back good as new. I don't have any experience with them, so use at your own risk - I would be tempted to try it though since the dealer would be replacing the thing anyway.

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Daily Driver: 02 E430 4MATIC
In the family: '03 E500 // '04 ML500 // 64 220SE