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MB Paul
MB Paul, Mercedes Technician
Category: Mercedes
Satisfied Customers: 3567
Experience:  Qualified Mercedes Benz Diagnostic Technician - 20+ years experience - Workshop Foreman for Mercedes
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My 2012 sprinter def fluid light is still on after refill of

Customer Question

my 2012 sprinter def fluid light is still on after refill of def fluid
JA: Just to clarify, what are the exact lights you're talking about?
Customer: the wind looking sign (def fluid light)
JA: Are you fixing your Sprinter yourself? What have you tried so far?
Customer: i filled the def fluid to the top and now i am down to 7 starts.
JA: Anything else you want the mechanic to know before I connect you?
Customer: my friend checked with his computer and coincidentally my check engine light came on saying it was the particulate filter code.
Submitted: 7 days ago.
Category: Mercedes
Customer: replied 7 days ago.
i originally bought van at 450k miles. it did not start because it was out of starts. i did research online and found out vehicle needed def fluid, filled the tank and the car started like brand new. constantly runs great, i ran through approximately 8k miles and the fill up light came on again, filled it to the top, and restarted car and now it was telling me i had 16 starts left.... i am down to 7 starts and running out of ideas. the check engine light coincidentally turned on too ( with a particulate filter code) i realize they are both related but they are two different lights on the dash. can the def light be on because of my particulate filter or is that a completely separate problem and only run through the check engine light? or after i clean particulate filter it will turn off my def light?
Expert:  Daniel Wilson replied 7 days ago.

Hi my name is Dan. I will be glad to try to help. What are the fault codes you have?