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Mercedes-Benz · SUVs
Intake Camshaft Position Timing Over-Advanced Bank 1
Quick Answer
Error code P0011 on your Mercedes-Benz SUVs means: Intake Camshaft Position Timing Over-Advanced Bank 1. 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
  1. Sludged or blocked oil passages to the camshaft adjuster
  2. Defective camshaft adjuster solenoid valve
  3. Stretched timing chain causing incorrect cam timing
  4. Incorrect engine oil viscosity or low oil level
  5. Internal failure of the camshaft phaser unit
How to Fix It
1
Confirm engine oil level is correct and oil meets Mercedes-Benz MB 229.5 specification
2
Measure camshaft adjuster solenoid resistance and compare to specifications
3
Flush oil supply passages to the camshaft adjuster if sludge is suspected
4
Inspect timing chain for proper tension and elongation
5
Replace the camshaft adjuster unit if phaser failure is confirmed
Pro Tip
This issue typically requires professional diagnosis. Attempting this fix without proper training could cause further problems.
Parts You May Need
Camshaft adjuster solenoid
Camshaft adjuster unit
Timing chain kit
Engine oil and filter
Related Error Codes
P0171P0174P0300P0302P0410
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