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Marty
Marty, Mercedes Technician
Category: Mercedes
Satisfied Customers: 53433
Experience:  Bosch Certified Master Tech. Over 35 years experience.
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Fortwo passion: My 2010 passion makes a loud sound, almost

Customer Question

My 2010 passion makes a loud sound, almost like the muffler has a hole in it
Submitted: 1 year ago.
Category: Mercedes
Expert:  Marty replied 1 year ago.
Hi, welcome to Just Answer. My name is***** sincerely ***** ***** the wait. It is very difficult to diagnose noises over the internet. If the Smart car has gotten loud when you turn it on I would have the entire exhaust system checked. It is unusual for the exhaust system to rust out on this car but it is possible that the system has been damaged or a manifold gasket has blown. Other possibilities would be a loud noise from the motor possibly associated with a bad bearing in one of the rotating components.
Please let me know if you have any questions.
Marty