03 MERCEDES E500 ECU ECM PCM ENGINE COMPUTER A 113 153 12 79 0261207786 ✅TESTED✅
You ABSOLUTELY must match both of the following part numbers for this ECM to work in your vehicle
A 113 153 12 79
0 261 207 786
If your current ecu does not match both of the above this ECM WILL NOT WORK for your vehicle!
Programming is required. We do offer a security swap service for these unit for an additional cost. Please contact us prior to purchase if you are interested in this.
- You must match your part number exactly as seen above. If any numbers are off compared to your original it will not work properly.
- Ecu will require programming or coding to your vehicle or vehicle's security system and is not plug and play. You will need to take this to your local BMW/Mercedes/VW "IMPORT SHOP" for programming. Your dealer will more than likely refuse to perform the programming or say it can't be done.
- Ecu will fit 2003 E500 models with an exact part number match. May fit other MB models but again match your part numbers.
- The ECU has been tested with our state of the art vehicle simulator which tests over 25 circuits of the ECU! Some of those are listed below:
- Reference Voltage Good!
- ECU powered up and has communication!
- ECU fuel pump/main relay test good!
- ZERO water or corrosion damage verified on the donor board!
- ECU injectors/coils test good and much more!
- Disconnect the negative terminal of the battery. Make sure the battery connector is not touching the battery post.
- Install and connect the replacement module.
- Connect the negative terminal of the battery.
- Ecu will need programming
- Please check your pins and connectors and make sure there has not been damage due to water or corrosion.
This ECM comes with a 90 day warranty. If anything happens within this time-frame please contact us and we will work with you on options to get you up and running!
***(exclusion: water damage or any damage to the ecu by a mechanical issue in the vehicle).