Diesel Particulate Filter Restriction Forced Limited Power
Table of contents
P246C MERCEDES-BENZ Possible Causes
- Faulty Diesel Particulate Filter
How do I fix code P246C MERCEDES-BENZ?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Tech Notes
- To resolve this, you have to change the Diesel Particulate Filter and reset the code with an OBDII scanner.
Cost of diagnosing the P246C MERCEDES-BENZ code
The cost of diagnosing the P246C MERCEDES-BENZ code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P246C MERCEDES-BENZ Description
The Diesel Particulate Filter (DPF) is monitored for conditions where it may be overloaded. The monitor compares the calculated restriction of the DPF to two thresholds. By exceeding the first threshold for a sufficient period of time, a wrench light will be illuminated. By exceeding the second threshold for a sufficient period of time, a wrench light and a MIL will be illuminated and engine output will be limited and EGR is disabled.