dirkklein9
Mercedes V Klasse System Failure
Summary of the thread
A 2009 Mercedes V Klasse is experiencing sporadic fault messages, errors in driving mode, and temporary control unit shutdowns, suspected to be caused by a defective cable connection within the control unit affecting its communication with the BUS system. A similar issue was resolved by addressing a loose connection in the BUS system. The recommended solution is to consult a professional technician to diagnose and rectify the faulty connection, which successfully resolved the issue in this case.
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4 comment(s)
dirkklein9 (community.author)
Indeed, the BUS system connection is my primary suspect. Could you elaborate on the specifics of your experience? Were the symptoms identical? And, if I may inquire, what was the ultimate resolution in your case? Was it also related to the check engine warning light?
joachim_sturm1
Okay, so yeah, pretty much the same. The warning signal drove me nuts. I wasn't comfortable messing with the BUS system myself. I took it to a workshop, and they confirmed it was a loose connection. They re-seated or replaced the connector, I can't remember exactly. But honestly, just take it to a professional. System failure can be tricky.
dirkklein9 (community.author)
I extend my sincere gratitude for your valuable input. Following your recommendation, I consulted with a qualified technician. The diagnosis corroborated our suspicions: a compromised cable connection to the control unit, impacting the BUS system. The faulty connection was rectified, and the system is now functioning nominally. The total expenditure amounted to 155€, aligning with my initial estimation. Once again, thank you for your time and expertise.
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MERCEDES
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VKLASSE
joachim_sturm1
Whoa, that sounds familiar! I own a V Klasse too and had something similar happen. Random system failure, navigation going nuts, the whole shebang. Was it the BUS system connection that triggered the malfunction indicator?