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Mercedes-Benz Digital Light: Functionality limited

Digital Light: Functionality limited

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact Mercedes-Benz or an authorized Mercedes-Benz dealer if the alert persists. The need for dealer service is not otherwise established by verified evidence.
Confidence90%

Quick answer

For certain 2024–2025 Mercedes-Benz EQE vehicles in the US, this alert may result from Headlamp Range (HLI) control-unit software that is not at the latest production configuration. Adaptive lighting functions may be unavailable. Mercedes-Benz states an over-the-air (OTA) service campaign will provide a free remote software update.

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 Digital Light: Functionality limited mean?

For certain 2024–2025 Mercedes-Benz EQE vehicles in the US, this alert may result from Headlamp Range (HLI) control-unit software that is not at the latest production configuration. Adaptive lighting functions may be unavailable. Mercedes-Benz states an over-the-air (OTA) service campaign will provide a free remote software update.

2. Technical explanation

Verified NHTSA manufacturer communication 11027902 states that, on certain subject vehicles, the Headlamp Range (HLI) control-unit software does not correspond to the latest series-production configuration. The stated consequence is that adaptive lighting functions may not be available, and the instrument cluster may display either “Adaptive High Beam Assist is not available” or “Digital Light: Functionality limited.” The communication identifies an OTA service campaign to update the software remotely.

3. What system is affected?

Headlamp Range (HLI) control-unit software and adaptive lighting functions.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • Instrument-cluster message: “Digital Light: Functionality limited.”
  • Instrument-cluster message: “Adaptive High Beam Assist is not available.”
  • Adaptive lighting functions may not be available.

6. Possible causes

  • On certain subject vehicles, the Headlamp Range (HLI) control-unit software does not correspond to the latest series-production configuration.

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

  • Check whether the vehicle receives and installs the available Mercedes-Benz remote software update.
  • If the message remains after the update, contact Mercedes-Benz or an authorized Mercedes-Benz dealer. Further diagnostic steps are not established by the verified evidence.

10. Step-by-step troubleshooting

  1. Mercedes-Benz states that the applicable remedy is an OTA software update that is automatically downloaded and installed in the vehicle.
  2. A dealer visit is not required for the OTA update, according to the manufacturer communication.
  3. No additional owner troubleshooting procedure is established by verified evidence.

11. When to contact service

Contact Mercedes-Benz or an authorized Mercedes-Benz dealer if the alert persists. The need for dealer service is not otherwise established by verified evidence.

12. What the service center may check

  • Confirm the Headlamp Range (HLI) control-unit software is updated through the applicable OTA service campaign.
  • Additional service checks are not established by verified evidence.

13. Possible repair or resolution

  • Mercedes-Benz states it will conduct an OTA service campaign.
  • The remote software update is automatically downloaded and installed free of charge.
  • Mercedes-Benz states that the OTA update does not require a dealer visit.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication 11027902, “OTA - 5497150,” published January 31, 2026. It describes an OTA campaign for certain subject vehicles with HLI control-unit software not matching the latest series-production configuration.

16. Recall information

  • No recall is established by the supplied verified evidence.

17. Official manufacturer information

Official source: NHTSA Manufacturer Communication 11027902, “OTA - 5497150”: https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2025-2026.zip#nhtsa_id=11027902

19. Frequently asked questions

What does “Digital Light: Functionality limited” mean?

For the affected vehicles described by Mercedes-Benz, it can indicate that adaptive lighting functions may not be available because the HLI control-unit software does not correspond to the latest series-production configuration.

Which vehicles are supported by the supplied evidence?

The supplied applicability record identifies certain US-market 2024–2025 Mercedes-Benz EQE vehicles. Exact VIN eligibility is not established by the supplied evidence.

Is a dealer visit required for the update?

Mercedes-Benz states that the OTA update is automatically downloaded and installed free of charge and does not require a dealer visit.

Can I continue driving?

Not yet established by verified evidence.

20. Sources & verification

Verified
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