P0441 on a Mercedes-Benz: Causes, Fixes & Repair Cost

🟠 Moderate severity · drivable

Safe to drive, but have the purge system checked soon so fuel smells and possible idle problems do not get worse.

What P0441 means on a Mercedes-Benz

On a Mercedes-Benz, P0441 means the EVAP system is not purging fuel vapors at the rate the engine computer expects. The purge valve that sends stored vapors into the intake is usually at fault — it may be stuck, slow, or leaking. The engine itself typically runs normally.

Is P0441 common on Mercedes-Benzs?

P0441 appears on Mercedes models as the purge valve and its plastic lines age, with C-Class, E-Class, and GLE models showing up often. The valve can stick closed so no vapor flows, or stick open so the idle turns rough. It is an emissions fault, not a drivability problem.

Commonly reported on: C-Class, E-Class, GLC, GLE.

Symptoms

Check engine light on
Faint fuel smell from under the hood
Possible rough idle after filling up
No loss of power while driving

Common causes

most common: Purge valve stuck closed or leaking
common: Cracked EVAP lines or fittings
less common: Faulty purge valve electrical connector
rare: Clogged charcoal canister

How to fix it

Fix	DIY?	Typical cost
Replace the purge valve	Yes	$90–220
Replace cracked EVAP lines	Yes	$30–100
Have the EVAP system smoke tested for hidden leaks	Mechanic	$90–220
Replace the charcoal canister if it is clogged	Mechanic	$300–550

Frequently asked questions

Can I drive my Mercedes with a P0441 code?

Yes. It is an emissions-system fault, so you can drive normally while you arrange the repair.

Why does P0441 come back after clearing it on my Mercedes?

Because the purge valve or a cracked line is still faulty. Clearing the code does not fix the part, so it comes back once the computer runs its purge test again.

What does fixing P0441 on a Mercedes cost?

A new purge valve is about $90 to $220, plus labor. Cracks in the EVAP lines cost less, around $30 to $100.