Mercedes-Benz Error Code P1105: How to Fix It

Q: Can I drive with Mercedes P1105 error code?

While you may be able to drive short distances, P1105 can cause poor engine performance, reduced fuel economy, and potential engine damage. It's recommended to address this issue promptly to avoid more expensive repairs.

Q: What causes Mercedes P1105 camshaft adjuster solenoid high current?

Common causes include a faulty camshaft adjuster solenoid, damaged wiring harness, corroded electrical connections, dirty engine oil, or rarely, ECM issues. The solenoid itself is the most frequent culprit.

Q: How much does it cost to fix Mercedes P1105 error?

DIY repair costs $100-300 for a camshaft adjuster solenoid. Professional repair typically ranges from $400-800 depending on labor rates and whether additional components need replacement.

Q: Will P1105 cause my Mercedes to fail emissions testing?

Yes, P1105 will likely cause your Mercedes to fail emissions testing since it affects the variable valve timing system, which impacts engine performance and emissions output.

Q: How often should Mercedes camshaft adjuster solenoids be replaced?

Camshaft adjuster solenoids typically last 80,000-120,000 miles with proper maintenance. Regular oil changes with Mercedes-approved oil can significantly extend their lifespan.

Abstract

Mercedes-Benz error code P1105 indicates that the camshaft adjuster solenoid has excessive electrical current flow. This typically occurs when the Engine Control Module (ECM) detects that the variable valve timing solenoid is drawing more current than normal, which can cause poor engine performance, rough idling, and reduced fuel economy.