Date registered: Jun 2011
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E Class Electrical problem
I'm new to BenzWorld and wonder if anyone can help.
I have a 2002 E240. Last December whilst parked at the airport for a few days in freezing weather the battery went flat. When the car was started and fully charged the battery seemed fine but over the next couple of weeks occasionally the remote unlocking would not work; I guessed it was some sort of load shedding and as the battery was quite old so I got a new battery.
However, the problem of intermittant remote unlocking failure continued; I tried the spare key but the result was the same. The failure of the remote unlocking to work is intermittant and usually occurs if the last journey was a short one. I then have to use the pass key and the larm goes off until the key is in tth eignition.
Yesterday, having left in the car in the garage for 3 - 4 days, the alarm went off, the remote unlocking would not work and the key wouldn't work in the ignition - the battery was flat again! I got roadside assistance to help start the car and again, the battery test shows that the battery is fine (its only 3 months old so it should be).
I'm not much of a mechanic myself but: -
I've discounted the key as the cause because I've tried both keys with the same result.
I don't think it is a hardware fault as it is intermittant.
Does anyone have any ideas or suggestions???
Last edited by aaz884; 06-12-2011 at 10:56 AM.