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M
p0507
Easy Fix
Mercedes-Benz · Sedans
Idle Air Control System RPM Higher Than Expected
Quick Answer
Error code P0507 on your Mercedes-Benz Sedans 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
W177W206W214V297A220 2024A220 4MATIC 2024AMG A35 4MATIC 2024AMG C43 4MATIC 2024AMG C63 S 2024AMG E53 4MATIC+ 2024AMG E63 S 2024AMG EQS 53 2024AMG S63 E 2024C300 2024C300 4MATIC 2024E350 4MATIC 2024E450 4MATIC 2024EQS 450+ 2024EQS 580 4MATIC 2024Maybach S580 2024S500 4MATIC 2024S580 4MATIC 2024W223
Likely Causes
  1. Vacuum leak in intake system or brake booster hose
  2. Dirty or malfunctioning throttle body
  3. Faulty idle air control valve
  4. Intake manifold gasket leak
  5. Electrical issue with the electronic throttle actuator
How to Fix It
1
Check for vacuum leaks using a smoke machine or propane enrichment test
2
Clean the throttle body with approved throttle body cleaner
3
Perform an idle relearn procedure using a Mercedes-compatible scan tool
4
Inspect the brake booster hose and PCV system for leaks
5
Test the electronic throttle actuator for proper operation
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 valve
Vacuum hoses
Throttle body cleaner
Related Error Codes
P0171P0174P0300P0410P0420
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