Is it safe to drive with Mercedes S-Class W221 Deadlock Module Failure?

Generally safe to drive for short distances, but the fault should be diagnosed and repaired promptly.

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Mercedes S-Class W221 Deadlock Module Failure — Mercedes-Benz S-Class 2005 | MyCarFault

Mercedes S-Class W221 Deadlock Module Failure

Mercedes-Benz S-Class 2005 All

Safe to Drive?

✅ Safe to Drive

Urgency Level

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The deadlock module on W221 S-Class fails causing the deadlock function to not engage or doors to not lock remotely. Door module replacement with Mercedes STAR coding: £200-500.

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Mercedes S-Class W221 Deadlock Module Failure

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