2002 Mercedes Benz C320 3.2L V6 with engine code P1856, what this code means?

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Reynaldo · Answer 1 · 2018-05-20T18:03:47+0000

P1856 Selector level position detection has failed

This code condition is for the electronic lever module control unit,

Mercedes Benz C320 Selector Level Position

The transmission range sensor is located in here, any coffee, soda, water, spilled in there?