Mercedes Benz

The idle speed with warm engine is above the permissible range limit. (P0507) The idle speed with warm engine is above the permissible range limit. (P0507) Possible cause: ­ Inspect the intake system of the engine for leaks. Affected functions: ­ Engine output ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ Test 1: Inspect the intake system of the engine for leaks. 1. Inspect the intake system of the engine for leaks. Possible cause of fault ­ Unmetered air Possible remedy ­ Check entire air intake system for unmetered air. End of test