*REPAIR SERVICE* 11-12 MERCEDES BENZ C300 GLK350 ECU ECM ENGINE CONTROL COMPUTER You must match your part

You must match your part number exactly or the module will not work properly in your truck

OPTIONAL CORE RETURN:  If you would like to send your older controller back to us (even missing the top buttons and knobs) for a $25

Please keep a copy of your purchase record which we will send with your item

We believe there are 24 different calibrations

6C3A-12A650-CVA

*REPAIR SERVICE* 11-12 MERCEDES BENZ C300 GLK350 ECU ECM ENGINE CONTROL COMPUTER You must match your partRepair & Return Process The Repair and return process is pretty simple and helps you avoid paying the high cost of a new ECU through your dealer. Please note this repair service is for one issue "only" Coil Injector issues (Make sure you have replaced your coils injectors plugs and have checked the wiring for issues prior to purchasing this service) If your ECU has the fan on all the time but you have no communication with the ecu and a no start, you