Date registered: Sep 2005
Vehicle: W208 CLK230K 2000 year, Past -W203 C Class, W202 C Class, W210 E Class, W201 190E
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Quoted: 25 Post(s)
I have read a few comments on the battery control unit, I pulled back the liner and had a look to see if there was anything obvious as water can ingress there, but all looks good, Tonight I may take the unit apart and check inside.
I have had the battery analysed and all checked out fine with good charging at 13.5V and the batteries are both healthy.
I have now run a set of cables from the + and - to the front and connected my multi meter to monitor the charging volts, so far over a 30min drive it remained constant at 14.1V.
I have also added a thermocouple to monitor the temperature of the battery whilst driving to see when it starts to get hot.
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