mercedes benz c300 ecu tuning

Mercedes-Benz C300 (w205) ECU Removal Guide

 

**** Note: Please SCAN your vehicle before removing the ECU. This can be done at your local parts store or local mechanic. They will plug into the vehicle’s OBD2 port and SCAN for any existing CODES. After scanning for codes, please UNPLUG the negative side of the battery to avoid any lights or issues when unplugging or re-installing the ECU. In some cases, the ECU MAY need to be shipped in to be reset. Failure to follow this may cause issues to your vehicle in which AMR Performance is not responsible.

 

 

Open your vehicle’s hood:

 

mercedes benz c300 ecu tuning

 

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The ECU can be seen on the driver’s side of the engine:

 

IMG_9484

 

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Unlock the front connector (a):

 

IMG_9485

 

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Unlock the front connector (b):

IMG_9486

 

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Unlock the rear connector (a):

IMG_9487

 

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Unlock the rear connector (b):

IMG_9488

 

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Unlock the “metal” connector holding the ECU in place (a):

IMG_9489

 

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Unlock the “metal” connector holding the ECU in place (b):

IMG_9490

 

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Unlock the “metal” connector holding the ECU in place on the opposite side (a):

 

IMG_9491

 

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Unlock the “metal” connector holding the ECU in place on the opposite side (b):

 

IMG_9492

 

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Gently pull back on the ECU and lift the ECU out of its cradle:

IMG_9493

 

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JOB WELL DONE! 

 

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