FREIGHTLINER, MERCEDES-BENZ

LI49.20-N-080011

2026-01-14 · NHTSA 11028120

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Manufacturer summary

Original wording in English

Complaint The check engine light is on, with a possibility in a reduction of power, with no soot present in the exhaust system. Fault codes: P300E5F The fill level of the diesel particulate filter is too high. (Early warning) P300E5E The fill level of the diesel particulate filter is too high. Regeneration of the diesel particulate filter is disabled. Additional information: No additional fault codes related to the Diesel Particulate Filter (DPF) system or the Exhaust Gas Recirculation (EGR) system may be present for this LI to apply. Cause These fault codes may be triggered due to unfavorable driving conditions, such as: •Frequent short-distance trips •Extended idle periods •Infrequent highway driving •Incomplete regeneration cycles These conditions can lead to excessive soot accumulation in the Diesel Particulate Filter (DPF), resulting in elevated fill levels and regeneration lockout.

Repeated filings are grouped only when make, bulletin number, publication date and complete summary agree. Original record numbers are retained. Older publications remain available, and an explicit later version is shown when established. Pre-1994 vehicle associations are separated from default results; an unspecified year does not mean all model years apply.