All started wit the car going in to limp mode and showing all kind mal functions codes.
,P0087 fuel rail pressure to low,P0088 fuel rail pressure to high,
glow plug/heater cylinder 1,U0122 lost communication with vehicle dynamics control module, U0101 lost comm. with TCM, transmission control module, P0500 vehicle speed sensor A malfunction, also in the cluster ESP malfunction visit workshop, and ABS malfunction, Headlt, cornering and ABS warning light.
One come back from work did the limp mode ones, I pulled over for 5 minutes
crank it up and made it home fine, next morning completely dead, checked battery 100% charged, but no crank at all, I noticed then with the switch to the on position the P for parking was not showing up in the cluster, took the car to 2 different shops neither could find the problem, so my last option is the stealer, unless some body have the same issues and can help me figured out.
Many thanks in advance.

 

Multiple different codes popping up at the same time usually means low voltage, what with good battery means bad connection somewhere.
Clean the clamps to start and get good voltmeter to trace the wires.
Don't think this is diesel-related

 

Thank you for the reply, well I have to tell you I find few fuses with lowvoltage around 3 volts but not sure if that is normal, I think one of themfeeds the ESP module.Any idea on that.ThanksSergio

 

Don't take anything for granted on those cars.
I wired trailer light to my W211 and having amplified converter, tapped to tail lights for signal.
Turn out the taillights operate normally at 6V and the convert did not act.
Turning fog lights gave the lights 12V and that is how I tow the trailer.

 

Did you check the little battery under the hood It is for all the electronics you are speaking of.

 

The little battery under the hood does absolutely nothing to the car, unless there is emergency.