mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Idle Speed/Throttle Actuator - Electronic > < Fuel Tank Pressure Release Valve|Testing and Inspection
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The valve should open at approximately 20-35 mbar (0.7-1 in. Hg).  If not replace the breather valve.

Idle Speed/Throttle Actuator - Electronic > < Fuel Tank Pressure Release Valve|Testing and Inspection