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Powertrain

P300E

Code meaning and manufacturer information

OBD-II / DTC

Reference meaning

What does this code mean?

The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.

A code identifies a detected condition, not a part that must automatically be replaced.

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

Before replacing a part

Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.

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Manufacturer communications

6

Original wording in English

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FREIGHTLINER, MERCEDES-BENZ

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 particul…

FREIGHTLINER, MERCEDES-BENZ

Check engine light with fault code P300E3B in the CDI control unit CDI (N3/28) Complaint Check engine light is illuminated with fault code P300E3B “The efficiency of component 'SCR catalytic converter' is not sufficient" stored in the CDI control unit (N3/28). Cause Excessive ammonia slip is being detected in the SCR system, oft…

FREIGHTLINER, MERCEDES-BENZ

Check engine light with fault code P300E55 with H12 Complaint The check engine light is activated, accompanied by the following fault code related to the Exhaust gas recirculation cooler (low pressure): •P300E55 The efficiency of component 'Exhaust gas recirculation cooler (low pressure)' is not sufficient. Cause The issue is at…

FREIGHTLINER, MERCEDES-BENZ

Complaint The check engine light is activated, accompanied by the following fault code related to the Exhaust gas recirculation cooler (low pressure): •P300E55 The efficiency of component 'Exhaust gas recirculation cooler (low pressure)' is not sufficient. Cause The issue is attributed to an error in the coding of the climate co…

Check vehicle applicability

55

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

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MakeModelModel year
FreightlinerSPRINTER (VS30) ↗2020
FreightlinerSPRINTER (VS30) ↗2019
FreightlinerSPRINTER 1500 ↗2024
FreightlinerSPRINTER 1500 ↗2023
FreightlinerSPRINTER 1500 ↗2022
FreightlinerSPRINTER 1500 ↗2021
FreightlinerSPRINTER 1500 ↗2020
FreightlinerSPRINTER 1500 ↗2019

Can I keep driving?

A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.