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E200 cgi no start

Old Jun 6, 2024 | 02:35 PM
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c207 e200 cgi
E200 cgi no start

Hey guys,

I've just got a 2011 E200 cgi coupe (c207) just a week ago.
Yesterday there was a problem starting the car, lights, dashboard, radio everything turned on, but there was no crank. It took 3 tries to start the car and then it was running normal.
Today it was okay in the morning, but when I finished at work it took at least 10+ tries to start the engine.
I've ran diagnostics and I had a problem with the fuel pump (n118) but I've deleted it instead of checking the exact code and since then this code dissapeared.

Still no crank, there were some new fault codes:
475300 - No CAN message was received from control unit 'N73 (Electronic ignition lock control unit)'
475A00 - No CAN message was received from control unit 'N73 (Electronic ignition lock control unit)'
631E00 - There's a fault in control unit 'EZS'.

Can you guys help me out here? Where should I start?
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Old Jun 8, 2024 | 05:43 AM
  #2  
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Originally Posted by VFK54
Hey guys,

I've just got a 2011 E200 cgi coupe (c207) just a week ago.
Yesterday there was a problem starting the car, lights, dashboard, radio everything turned on, but there was no crank. It took 3 tries to start the car and then it was running normal.
Today it was okay in the morning, but when I finished at work it took at least 10+ tries to start the engine.
I've ran diagnostics and I had a problem with the fuel pump (n118) but I've deleted it instead of checking the exact code and since then this code dissapeared.

Still no crank, there were some new fault codes:
475300 - No CAN message was received from control unit 'N73 (Electronic ignition lock control unit)'
475A00 - No CAN message was received from control unit 'N73 (Electronic ignition lock control unit)'
631E00 - There's a fault in control unit 'EZS'.

Can you guys help me out here? Where should I start?
Your ignition key slot has become unreliable. You will need to seek an MB specialist to test and replace your EZS.
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