Detroit Diesel MBE900 | MBE4000 ECM Repair Service

Professional ECM repair for Detroit Diesel MBE900 and MBE4000 (Mercedes-Benz OM460LA) engines used in Freightliner trucks. Your ECM will be returned fully reconditioned, tested, and ready to install — saving you the time and cost of reprogramming a new unit.

Compatible Engines & Part Numbers

This repair service covers the following Detroit Diesel and Mercedes-Benz ECM part numbers:

• 0014462040 | 0014463340 | 0014466440 | 0014466540
• 0034461340 | A0014466440 | RA0054465440
• 0014466140 | 0014462040-2225

Compatible engine models: MBE900 | MBE4000 | MBE904 | MBE906 | MBE924 | MBE926 (2004–2008)

The Detroit Diesel MBE4000 is a 12.8L inline 6-cylinder diesel engine, originally engineered by Mercedes-Benz as the OM460LA, widely used in vocational and highway trucks for its fuel efficiency and lightweight design.

Common ECM Failure Symptoms

• Blowing fuses repeatedly
• No communication with diagnostic tool
• Engine shutting down unexpectedly
• Active fault codes stored in the unit
• Intermittent electrical faults
• Oil or water intrusion damage
• Injector driver faults

How the Repair Process Works

1. Ship your ECM to our facility (we accept all carriers)
2. Full diagnosis performed by our engineering team
3. Repair & bench testing with latest simulation technology
4. Return shipping — unit arrives ready to install

Note: If the unit is not repairable or no fault is found, the diagnostic fee is $200 + return shipping. A partial refund will be issued for the difference.

Warranty

Every ECM repair is backed by a 1-year warranty. We don't just fix the problem — we rebuild for long-term reliability and performance.

Why Choose ECM Engineering USA?

• ✅ 15+ years of heavy-duty ECM repair experience
• ✅ Over 10,000 ECMs successfully repaired
• ✅ Latest bench simulation and diagnostic technology
• ✅ Free pre-shipment technical consultation
• ✅ 1-year warranty on all repairs

Have questions before sending your unit? Contact us — our engineers are happy to discuss your fault codes and symptoms before you ship.

ECM Engineering USA on YouTube | ECM Repair USA