What is your question?
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What is your question?
OBD indicates problem in that unit.
1 Reply
I'm sorry to say that there's no information in the shop manual resource I'm reading that indicates location of a "glow system relay". I'm going to advise getting some local professional assistance from an experienced Mercedes Diesel technician. Use this link to find some shops near you that can help with your concern: www.repairpal.com/repair-shops