Intermittent radio/sat nav/ parking sensor/ battery drain fault

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Grahamkingston

New Member
Joined
Apr 24, 2020
Messages
1
Location
london
Car
c230 kompressor
2004 C230 Kompressor estate. Strange one here....experienced a problem with the radio/sat nav unit. Just switches itself off and on at random while driving. Than, after about a week, when starting the vehicle, both front and back parking sensor lights came on red with the audible buzz for about 10 seconds, and then the red light on the sensor button on the dashboard illuminated to indicate the sensors were disabled. When this button is pressed, the front and back red lights come on again withe the audible buzz.

After about another week, the key fob failed to operate. Checked the battery which is ok. Opened the car manually but the fob would not turn in the ignition. The RAC chap came and was able to jump start it. He tested the battery and said there was a bad cell. Took it to the garage who haven’t been able to find any faults while running diagnostics. Any ideas?
 

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