battery drain

I appear to have an intermittent fault with my battery. Although it appears to charge perfectly, every couple of days I find that the battery is completely discharged. There are no lights left on, doors open or anything else obvious. I have not started 'fuse pulling' but am thinking of A...

Hi Guys. I have a C220 CDI W203 Auto. Recently after the installation of a aftermarket car stereo i have found my battery keeps dying. Logically we can assume its the stereo, but thats for a different thread. I have noticed that i keep hearing a whiring sound from the dime lights. I...

I have the dreaded battery drain and have got hold of a WIS but before I start having to take trim off to disconnect plugs etc I thought I would disconnect the telephone as it is a known culprit. I have took the command unit out and still have a drain. So my question is where is the connector...

Hi guys I need your help. I just bought a E class 2004 CDI (W211) a couple of weeks ago and it was running fine, but recently it has been acting up. I take my car to work and park it in a public street. I leave in the morning and return around 5-6pm and find the interior lights on and the...

I noticed the battery was getting weaker and one day it was flat. I tried to charge it, but it was gone. Bought a new Bosch 100 Ah same as the one I had. The man in the shop was surprised because my old battery was looking quite new, but he tested it and it was not recoverable. I put in the...

After suffering from a flat battery a couple of times I replaced the battery as it looked like I was still on the original battery. All was well for a few days, then I had another flat battery. I took the car to MB and after two hours of disconnecting things they identified the navigation unit...

After returning home from a months holiday,I discovered that my ever helpful son-in-law had started my car up (C270) proir to my arrival. He told me that it struggled to start as the battery was quite low but eventually it fired up. Since then, I have repeatedly received a warning message "Light...

Battery drain playing games on me Hello gentlemen, My problem is I can't understand what in the end bleeds the battery. Identified suspects are - COMAND, - memory seat control modules, - OCP but they are playing games with me on who is it still doing it. It all started in cold...