Mercedes will not start

Asked by Jul 24, 2016 at 05:37 PM about the 2012 Mercedes-Benz C-Class C 250 Luxury

Question type: Maintenance & Repair

My Mercedes Benz C250 started making a growl
and sputtering noise when starting. It was worsr at  
the beginning of the day but lessen later. Imagine
cold start worse. A week later and now the car
clicks and will not start. Yet if I try 3 more times or
on the forth its starts with the growl and then no
problems. Last message on the car was a
crankshaft sensor that was changed. And no other
mechanical issues other than regular
maintenance. A friend mentioned could be a
secondary consumer battery or that start motor
breaking but not yet. My confusion is that I notice
the acoustic alarm when closing and opening the
car is weak. And turn off consumables seems to
make start faster.

2 Answers

21,720

Get the alternator voltage tested should be charging at 14 volts

1 people found this helpful.
14,695

4 yr/50,000 mi basic, 4 yr/50,000 mi powertrain Warranty? OR Have a starter circuit voltage drop test performed to locate the cause of high resistance the starter motor / wire or bad ground cable(s).

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