2016-2019 Mercedes GLC300 and GLC350e (X253 C253) Remanufactured MED17.7.2 ECM / Plug n' Drive or Unlocked

★ Plug n' Drive ★ Updated ★ Next Day Shipping ★ 1 Year Warranty ★

★ 30 Day Returns ★ 30 Day Technical Support ★

Remanufactured MED17.7.2 Mercedes ECM for the following years / class / models / engines: 2016-2019 / X253 C253 / GLC300 / L4-2.0L M274 Turbo. Plug n' Drive or unlocked!

Before purchasing this ECM, please check supported part numbers under 'Part Numbers' tab above. If not found, try to search this site (search box above) or contact us. Also, please read the 'How To Buy' tab to understand what to do in order to complete this transaction.

This ECM comes in 2 variants, variant #1. Plug n' Drive (cloned), variant #2. unlocked (virgin).

Variant # 1. Plug n' Drive (cloned) ECM comes fully programmed and requires no additional programming after installation. VIN, immobilizer (SSID), key hashes, software and coding (also SCN coding) will be all transferred. Original keys will work. Simply install the ECM and start the car.

Variant # 2. Unlocked (virgin) ECM requires programming, just as a new ECM from the dealer would. You will have to flash the correct software, code it (regular or SCN), personalize and activate it. NOTE! Not all ECM can be unlocked. We will contact you if that is the case.

You will have to send in your original ECM, only. Shipping label will be emailed to you after the purchase.

★ Please note, defective items, cores will not be shipped back ★

★ Questions, concerns? Please don't hesitate to contact us ★

Supported ECM part numbers (Mercedes).

Part number is located on the ECM label (example below). If not found, try to search this site or contact us.

★ Please note, defective items, cores will not be shipped back ★

★ Questions, concerns? Please don't hesitate to contact us ★

Please follow this simple procedure for fast and trouble free transaction.

1. Check if your ECM part number matches one of the supported part numbers. If not, try to search this site (search box above) or contact us.

2. Prepare the following: original ECM, only.

3. Make the purchase and send the ECM to us. Shipping label will be sent to you after the purchase.

4. We ship back next day after completing the data transfer ( most of the time the same or next day).

Q. Where do I send my items?
A. Shipping label will be sent to you after the purchase.

Q. I was told the Mercedes ECMs cannot be reprogrammed to work in another car.
A. That is correct when using dealer tools. We can accomplish this by using direct, hardware level procedures.

Q. How do I check ECM type? How to remove the items? Where are they located?
A. Use our resources page for all technical questions.

★ Please note, defective items, cores will not be shipped back ★

★ Questions, concerns? Please don't hesitate to contact us ★