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The annual cost estimate to maintain a Mercedes-Benz 420SEL is approximately $912**, depending on your service provider.
The estimated cost to maintain and repair a Mercedes-Benz 420SEL ranges from $95 to $2799, with an average of $397.
Oil changes may be the most frequent service every car needs, but the following services reflect the most common needs of the Mercedes-Benz 420SEL.
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