Mercedes-Benz M274 ECU ECM Repair Service A2749001600 A 274 900 16 00 274-900-16-00

Purchase our repair service, verify that the symptoms or fault codes align with the issues you're experiencing, and then ship your part to us. If you're unsure whether this repair service will resolve your issue, please contact us, and we'll guide you through the process.

Each part undergoes thorough testing on our bench both before and after repair to ensure optimal functionality. If the unit is functional, shows no issues during testing, or is deemed non-repairable, a bench fee of $150-$199 will apply. Some exceptions may apply

2-3 business days. Exceptions may apply; more complex repairs may take longer, please contact us for more details.

Our 1-year warranty covers only the specific repair we performed

Not required. Simply plug and drive once the repair is complete.