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My 2006 B 200 Mercedes will not start following a battery failure. Any suggestions? Thank you.

Posted: Tue May 06, 2025 7:57 am
by sighn34
Good morning, everyone.

My B 200 Mercedes was functioning OK until I inadvertently left the side lights on, resulting in a dead battery.


I have recharged the battery, still the car fails to start. I can hear the fuel pump, but there is no ignition while turning the key.

Any assistance would be greatly appreciated.

Thank you very much.

Re: My 2006 B 200 Mercedes will not start following a battery failure. Any suggestions? Thank you.

Posted: Tue May 06, 2025 7:58 am
by MercedesMan98
Hello, is the car cranking?

Re: My 2006 B 200 Mercedes will not start following a battery failure. Any suggestions? Thank you.

Posted: Tue May 06, 2025 7:58 am
by sighn34
Greetings, I intend to publish a video.

The vehicle's dashboard activates, although turning the key yields no response.

Re: My 2006 B 200 Mercedes will not start following a battery failure. Any suggestions? Thank you.

Posted: Tue May 06, 2025 7:59 am
by Bluewhaleeee
The battery has likely failed entirely; I suppose it is time for a replacement.

Re: My 2006 B 200 Mercedes will not start following a battery failure. Any suggestions? Thank you.

Posted: Tue May 06, 2025 7:59 am
by sighn34
The battery is fresh, and I returned to the place of purchase for a check, which confirmed its functionality. I am enquiring whether a relay could be the issue. Thank you.

Re: My 2006 B 200 Mercedes will not start following a battery failure. Any suggestions? Thank you.

Posted: Tue May 06, 2025 8:00 am
by Bluewhaleeee
Initially, verify the codes; it may be entirely unrelated.