P2BA9 Fault Code — Mercedes NOx Limit Exceeded — Adblue

Severity: 🔴 Critical — stop driving immediately

AdBlue/SCR system not reducing NOx — Mercedes diesel issue.

Common Symptoms

Common Causes

How We Fix It

NOx sensor + AdBlue pump service.

Frequently Asked Questions

What does P2BA9 mean?

P2BA9 (Mercedes NOx Limit Exceeded — Adblue) means AdBlue/SCR system not reducing NOx — Mercedes diesel issue. Common symptoms include mil, restart limit countdown, limp mode.

How much does P2BA9 repair cost in Hyderabad?

At GarageNation Hyderabad, we diagnose P2BA9 with dealer-grade scan tools and provide a fixed quote before any work begins. Call +91 8106316369 for an estimate.

📞 Free pickup & drop

Call: +91 8106316369  |  WhatsApp us  |  Book online