$9,000 to replace.
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Seems like they made the M9 just recently.
All modern cameras are disposable, their life expectancy 2-3 years. Don’t be silly. Pass on that Leica. The best of the best is just $300 a year.
Update September 17, 2020:
A New Jersey repair shop claims to have analyzed the cause of the ‘sensor’ corrosion down to an untreated sensor cover glass, and offers a coated repair/replacement cover glass for $1500. Click here.