What does code P0014 mean on a Mercedes-Benz and is it safe to drive?
P0014: Camshaft Position B – Timing Over-Advanced or System Performance (Bank 1). Here's what it means on your Mercedes-Benz, what usually causes it, what repairs typically cost, and how safe it is to keep driving.
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What this code means
The exhaust camshaft on bank 1 is over-advanced. The exhaust VVT actuator or its solenoid is not responding correctly, typically from oil condition issues.
Common causes for your Mercedes-Benz
- Low or degraded engine oil
- Failed exhaust cam oil control valve
- Sticking exhaust cam phaser
- Timing chain wear
Symptoms
- Check Engine Light
- Rough idle
- Hard starting, hesitation
- Possible cold-start rattle
Typical fixes
- Oil and filter change (first step)
- Replace exhaust cam OCV solenoid
- Replace timing chain if slack is present
Repair cost range
For a Mercedes-Benz, repairs for P0014 often fall between $100 and $1000, depending on the cause and whether you use OEM or aftermarket parts. Labor rates vary by location.