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Mercedes S350 W221 2011 NON Start

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Hi guys.

Sorry for long post in advance, could someone maybe cast there eyes over these two dumps flash/eeproms?

Car in question is a 2011 S350 with Bosch control
EDC17-CP46
Mercedes Part Number: A642-150-89-00
Bosch Part Number: 0281 016 656
HW: 091400

The car was running fine with no running problems, previously customer had topped up AdBlue system and asked me to check car /carry out any resets necessary.
Using a Passthru and Xentry (XDOS PT), I performed a reset titled, AdBlue reset/instrumentation cluster or similar. After Xentry checked a few different parameters/codings or whatever it does a screen appeared promoting for ignition off. This is when the problem starts, Xentry never recognized the ignition being switched off? Waited for a few minutes with no message, software was just hanging/waiting.
Had to back out of Xentry and reboot laptop. Next key cycle showed various messages on dash, gearbox (take to workshop) tyre pressure and some other things. Car does not start now, pulled interface and waited with no change. Carried out battery disconnect/short cables ect.
When rescanning car now, transmission ECU/SCR ECU/Fuel Pump ECU cant be reached. (No part numbers appear for those either in the scan).
Engine ECU shows in scan BUT with strange numbers/letters where part number should be.
Accessing ECU now only shows options for fault codes (internal error) and programming.
THIS ECU WAS NOT PROGRAMMED CORRECTLY OR DID NOT FINISH is displayed on tool. BOOT LOADER IS ALSO SHOWN.
A friend spent a few hours on car today with online version of Xentry and tried to reflash the ECU's. After login into server and waiting while various checks are carried out a message appears saying: CANNOT COMMUNICATE TO SERVER.
Blue box Autologic also set a error message when accessing re-programming.
Flash and Eeeprom have been read with K-Tag Master.
Looks like i might be buying an ECU. thinking
Any help please? sadsmile
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