Mercedes W213 E450 3.0 M256 Mild Hybrid 48V Service
Mercedes-Benz
E-Class
2016
M256 3.0 Turbo 48V
⚡ Quick Summary
Severity Level
Medium
Safe to Drive?
✅ Safe to Drive
Safety Impact
No direct safety impact reported by owners
Urgency Level
🟡 Monitor Closely
The 48V mild hybrid battery in E450 W213 should be tested at 100,000 miles. Cell faults cause mild hybrid deactivation. Software update resolves most cases. Battery replacement: £800-1,800.
Repair / Solution
No confirmed fixes yet. Share yours below.
⚠️ Wrong Diagnosis?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Mercedes-Benz E-Class 2016 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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