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Body

B238A

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 In an initial quick test, DTC B238A00 "Fan 2 of the control unit has malfunctioned" may be active and/or stored in the MBUX Multimedia System (A26/17) Cause Current MBUX Multimedia System (A26/17) software release Remedy If there is no customer complaint present, the DTC can be ignored. A future MBUX Multimedia System …

Check vehicle applicability

33

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-BenzAMG GLC43 ↗2022
Mercedes-BenzAMG GLC43 ↗2021
Mercedes-BenzAMG GLC43 ↗2020
Mercedes-BenzAMG GLC43 ↗2019
Mercedes-BenzAMG GLC43 ↗2018
Mercedes-BenzAMG GLC43 ↗2017
Mercedes-BenzAMG GLC43 ↗2016
Mercedes-BenzAMG GLC63 ↗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.