Is it safe to drive with Mercedes W221 S-Class 7G-Tronic Conductor Plate Failure?

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

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Mercedes W221 S-Class 7G-Tronic Conductor Plate Failure — Mercedes-Benz S-Class 2005 | MyCarFault

Mercedes W221 S-Class 7G-Tronic Conductor Plate Failure

Mercedes-Benz S-Class 2005 7G-Tronic 722.9

Safe to Drive?

✅ Safe to Drive

Urgency Level

🟠 Fix Soon

The 7G-Tronic conductor plate on W221 S-Class develops electrical resistance faults with age and heat cycling. Symptoms include erratic gear selection, sudden limp mode in third gear, delayed engagement from rest and gearbox warning lights. Fault codes P0730-P0738. Conductor plate replacement costs £350-700 at an independent Mercedes specialist.

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⚠️ Important Notice

Mercedes W221 S-Class 7G-Tronic Conductor Plate Failure

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