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Kevin, Master tech
Category: Mercedes
Satisfied Customers: 1366
Experience:  Diagnostic technician
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P20db code, yes exact code....reductant heater control

Customer Question

p20db code
JA: Just to clarify, what's the exact code? And have you tried to reset it?
Customer: yes exact code....reductant heater B control circuit/open
JA: What is the model/year of your Mercedes?
Customer: 2011 sprinter
JA: Are you fixing your Sprinter yourself? What have you tried so far?
Customer: i didnt try nothing yet
JA: Anything else you want the mechanic to know before I connect you?
Customer: thats all what should i replace?
Submitted: 15 days ago.
Category: Mercedes
Expert:  Kevin replied 15 days ago.

Hi im kevin you need to replace def heater element .this is basically a heater element that sits in the top of the addblue tank .its around 2 hours work to replace and tank will need to be refilled with adblue after

Expert:  Kevin replied 13 days ago.

please rate my service

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