W211 E-class: Battery protection - convenience functions unavailable

grahamwoodward

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Joined
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Age
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Location
Midlands
Website
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Your Mercedes
W211 E320 (petrol) Avantgarde Saloon (2004); CL203 CLC180 Kompressor Sport (2008)
Update on my latest with the dreaded battery protection error message.

I put my W211 E-class into the local Merc dealer (Inchcape, Nottm) recently to sort out the 'battery - convenience' error as it was disabling my heated rear window etc etc, a real pain with this frosty weather. As suggested in one of Television's posts on the forum, the earth lead underneath the driver's footwell carpet was loose, causing a poor connection. They re-soldered the lead and the problem has been resolved. Before, I was getting the message three or four times a day, even on short journeys but now after a week, No Error Message. I hope this helps someone else.
 

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