AdBlue / DEF Urea Heater Repair Kit — Mercedes-Benz E-Class W212 | OEM 2124710575 / 2124710375
Fix the AdBlue Urea Heater on Your Mercedes E-Class W212 — Repair Kit Prevents Freezing Faults.
The AdBlue (DEF) urea heater on the Mercedes E-Class W212 diesel prevents the urea solution from freezing in cold weather. When it fails, AdBlue cannot be injected — triggering warning lights, fault codes, and eventually power restriction. This repair kit rebuilds the heater assembly.
Vehicle Compatibility
Mercedes-Benz E-Class W212 diesel — E250 CDI, E300 CDI, E350 CDI/BlueTEC
OEM References
- 2124710575
- 2124710375 (cross-reference)
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