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Mercedes W221 S-Class Steering Lock Actuator Fault — Mercedes-Benz S-Class 2005 | MyCarFault
⚪ UNSOLVED No confirmed fix yet · Be the first to help

Mercedes W221 S-Class Steering Lock Actuator Fault

Mercedes-Benz S-Class 2005 All
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⚡ Quick Summary
Severity Level
High
Safe to Drive?
🚫 Do NOT Drive
Safety Impact
Direct safety risk — affects safe operation of the vehicle
Urgency Level
🟠 Fix Soon

The electronic steering column lock on W221 S-Class fails, leaving the car unable to start. The ignition turns but the steering lock does not disengage. The EIS (Electronic Ignition Switch) and ELV (Electronic Steering Lock) are integrated in the column. Repair requires Mercedes diagnostic software and replacement of the ELV unit, costing £400-800.

Repair / Solution

No confirmed fixes yet. Share yours below.

⚠️ Wrong Diagnosis?

No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Mercedes-Benz S-Class 2005 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.

🚗 More About This Vehicle

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