p0507
Easy Fix
Mercedes-Benz · SUVs
Idle Air Control System RPM Higher Than Expected
Quick Answer
Error code P0507 on your Mercedes-Benz SUVs means: Idle Air Control System RPM Higher Than Expected. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
X243X247X254V167X167AMG GLB35 4MATIC 2024AMG GLC43 4MATIC 2024AMG GLC63 S 2024AMG GLE53 4MATIC+ 2024AMG GLE63 S 2024AMG GLS63 2024EQB 250+ 2024EQB 300 4MATIC 2024EQB 350 4MATIC 2024GLB250 2024GLB250 4MATIC 2024GLC300 2024GLC300 4MATIC 2024GLE350 4MATIC 2024GLE450 4MATIC 2024GLS450 4MATIC 2024GLS580 4MATIC 2024Maybach GLS600 2024
Likely Causes
How to Fix It
1
Perform a thorough vacuum leak inspection using a smoke machine
2
Remove and clean the throttle body with approved cleaner
3
Perform a throttle body adaptation reset using a Mercedes-compatible scan tool
4
Check the brake booster hose and all vacuum connections for leaks
5
Test electronic throttle actuator for proper response and return position
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
Parts You May Need
Throttle body
Idle air control actuator
Vacuum hoses
Throttle body cleaner
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