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Mercedes-Benz B19B413

Antenna 2 open load • B19B513 - Antenna 3 open load • B19B613 - Antenna 4 open load Cause Antenna amplifier Remedy Replace the antenna amplifier

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact an authorized Mercedes-Benz service provider, particularly if radio reception interference is present and B19B413 is active or stored.
Confidence95%

Quick answer

For Mercedes-Benz EQE and EQS vehicles in the US, model years 2022–2024, DTC B19B413 indicates “Antenna 2 open load.” Mercedes-Benz bulletin LI82.60-P-078155 identifies the antenna amplifier as the cause and specifies replacement of the antenna amplifier.

This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.

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1. What does B19B413 mean?

For Mercedes-Benz EQE and EQS vehicles in the US, model years 2022–2024, DTC B19B413 indicates “Antenna 2 open load.” Mercedes-Benz bulletin LI82.60-P-078155 identifies the antenna amplifier as the cause and specifies replacement of the antenna amplifier.

2. Technical explanation

NHTSA-published Mercedes-Benz Manufacturer Communication 11006699 (LI82.60-P-078155), published August 6, 2024, addresses radio reception interference with active and stored DTCs in the A26/17 MBUX multimedia system control unit. B19B413 is listed as “Antenna 2 open load.” The same communication also lists B19B313 (Antenna 1 open load), B19B513 (Antenna 3 open load), and B19B613 (Antenna 4 open load). The bulletin identifies the antenna amplifier as the cause and directs replacement of the antenna amplifier.

3. What system is affected?

A26/17 MBUX multimedia system control unit and antenna-amplifier/radio-reception system.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • Radio reception interference.
  • B19B413 may be displayed as active and stored in the A26/17 MBUX multimedia system control unit.

6. Possible causes

  • The verified Mercedes-Benz communication identifies the antenna amplifier as the cause.

7. Can I still drive the vehicle?

Not yet established by verified evidence.

8. Can I charge the vehicle?

Not yet established by verified evidence.

9. What you can safely do

  • Have the vehicle evaluated by an authorized Mercedes-Benz service provider.
  • Provide the service provider with DTC B19B413 and Mercedes-Benz communication LI82.60-P-078155.

10. Step-by-step troubleshooting

  1. The verified communication states that the listed DTCs are displayed as active and stored in the A26/17 MBUX multimedia system control unit.
  2. Do not perform unverified antenna, amplifier, wiring, or electrical repairs based on this information alone.

11. When to contact service

Contact an authorized Mercedes-Benz service provider, particularly if radio reception interference is present and B19B413 is active or stored.

12. What the service center may check

  • Check the A26/17 MBUX multimedia system control unit for active and stored DTC B19B413.
  • Consider the accompanying antenna open-load DTCs listed in LI82.60-P-078155: B19B313, B19B513, and B19B613.
  • Follow Mercedes-Benz communication LI82.60-P-078155, which identifies the antenna amplifier as the cause.

13. Possible repair or resolution

  • Mercedes-Benz communication LI82.60-P-078155 specifies replacement of the antenna amplifier.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Mercedes-Benz LI82.60-P-078155, published by NHTSA as Manufacturer Communication 11006699 on August 6, 2024. It addresses radio reception interference and active/stored antenna open-load DTCs, identifies the antenna amplifier as the cause, and specifies replacing the antenna amplifier.

16. Recall information

  • No recall information was supplied in the verified evidence.

17. Official manufacturer information

Official source: NHTSA Manufacturer Communication 11006699, Mercedes-Benz LI82.60-P-078155: https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2020-2024.zip#nhtsa_id=11006699

19. Frequently asked questions

What does B19B413 mean?

In Mercedes-Benz communication LI82.60-P-078155, B19B413 means “Antenna 2 open load.”

What vehicles does this information apply to?

Verified applicability is Mercedes-Benz EQE and EQS vehicles, model years 2022–2024, in the US.

What symptom is associated with B19B413?

The communication addresses radio reception interference and lists B19B413 as an active and stored DTC in the A26/17 MBUX multimedia system control unit.

What repair does Mercedes-Benz specify?

The communication identifies the antenna amplifier as the cause and specifies replacement of the antenna amplifier.

Can I still drive or charge the vehicle?

Not yet established by verified evidence.

20. Sources & verification

Verified
Mercedes-Benz B19B413: Antenna 2 open load • B19B513 - Antenna 3 open… | EV Diagnostics