Is it safe to drive with Mercedes W212 E-Class Heater Matrix Leak Sweet Smell?

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

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Mercedes W212 E-Class Heater Matrix Leak Sweet Smell — Mercedes-Benz E-Class 2009 | MyCarFault

Mercedes W212 E-Class Heater Matrix Leak Sweet Smell

Mercedes-Benz E-Class 2009 All

Safe to Drive?

✅ Safe to Drive

Urgency Level

🟠 Fix Soon

The heater matrix on W212 E-Class leaks coolant into the cabin causing sweet-smelling steam from vents and wet carpets. Partial dashboard removal required for access. Repair costs £600-1,500 at a specialist.

Repair / Solution

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Mercedes W212 E-Class Heater Matrix Leak Sweet Smell

Repair / Solution

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