One problem related to engine rattling and whining sounds has been reported for the 2012 Mercedes Benz C350. The most recently reported issues are listed below.
Known fault of rattling noise after engine start for several seconds 07-16-2013 engine 276, engine 278, engine 157 topic number version design group date validity reason for change.
| Engine And Engine Cooling problems | |
| Engine Rattling And Whining Sounds problems |