How to repair Mercedes-Benz S-Class W140 and SL-Class R129 speedometers odometer with Minitools replacement gears

Is Mercedes S-Class W140 odometer not working but the speedometer works fine? Mercedes SL-Class R129 odometer stopped working?

This issue on Mercedes S-Class W140 and SL R129 instrument clusters with not working analog trip meter and odometer is related to worn or failing gears inside the gauge.

This tutorial shows how to fix Mercedes SL R129, S-Class W140 and S-Class Coupé / SEC C140 instrument panels with faulty partial and total odometers, replacing the broken gears with those produced by Minitools.