For Shop Owners
AutoCodes
OBDII Code List
P0115 MERCEDES-BENZ

P0115 MERCEDES-BENZ - Engine Coolant Temperature Circuit Malfunction

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3 What does this mean?

Possible causes

  • Low engine coolant level
  • Faulty Engine Coolant Temperature (ECT) sensor
  • Faulty engine coolant thermostat
  • Engine Coolant Temperature (ECT) sensor harness is open or shorted
  • Engine Coolant Temperature (ECT) sensor circuit poor electrical connection
What does this mean?