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Powertrain

P0A05

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

1

Original wording in English

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MERCEDES-BENZ

Complaint Yellow Coolant warning comes on in cluster Fault codes below are current or stored in MED41 P0A0500- The actuation of the circulation pump for the low-temperature circuit has an open circuit. P00B700- The coolant flow is too low. P0C7300- Circulation pump 1 for the low-temperature circuit has a malfunction. Cause Air m…

Check vehicle applicability

15

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
Mercedes-BenzC 300 ↗2023
Mercedes-BenzC 300 ↗2022
Mercedes-BenzC 300 ↗2021
Mercedes-BenzC 300 ↗2020
Mercedes-BenzC 300 ↗2019
Mercedes-BenzC 300 ↗2018
Mercedes-BenzE 350 ↗2023
Mercedes-BenzE 350 ↗2022

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.