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Mercedes-Benz Driver assistance systems function limited

Driver assistance systems function limited

DriveNot yet established by verified evidence. The available evidence states that system function is restricted but does not provide a driving recommendation.
ChargeNot yet established by verified evidence.
ServiceContact a Mercedes-Benz service facility for diagnosis, particularly if the message remains displayed or DTC U160E97 is stored. The supplied evidence does not establish whether immediate service is required.
Confidence90%

Quick answer

For certain 2026–2027 US Mercedes-Benz CLA-Class vehicles, the instrument cluster message “Driver assistance systems function limited” is documented in Mercedes-Benz communication LI54.30-P-080760. The communication associates the message with corner-radar DTC U160E97, indicating an internal hardware fault with restricted system function. Driving, charging, and service urgency are not yet established by verified evidence.

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 Driver assistance systems function limited mean?

For certain 2026–2027 US Mercedes-Benz CLA-Class vehicles, the instrument cluster message “Driver assistance systems function limited” is documented in Mercedes-Benz communication LI54.30-P-080760. The communication associates the message with corner-radar DTC U160E97, indicating an internal hardware fault with restricted system function. Driving, charging, and service urgency are not yet established by verified evidence.

2. Technical explanation

Verified evidence from NHTSA Manufacturer Communication 11034188, Mercedes-Benz document LI54.30-P-080760 dated June 30, 2026, identifies a white instrument-cluster message: “Driver assistance systems function limited.” The same evidence identifies corner radar DTC U160E97: “The control unit has an internal hardware fault. The system function is restricted.” The supplied evidence does not establish which individual driver-assistance features are affected, the diagnostic procedure, or the repair procedure.

3. What system is affected?

Driver-assistance systems; the verified communication specifically references the corner radar control unit and the instrument-cluster warning message.

4. How serious is this code?

Unknown. The diagnostic record lists severity as unknown.

5. Symptoms you may notice

  • White instrument-cluster message: “Driver assistance systems function limited.”
  • Corner radar DTC U160E97 may be present: “The control unit has an internal hardware fault. The system function is restricted.”

6. Possible causes

  • Verified evidence associates the message with corner radar DTC U160E97, described as an internal hardware fault in the control unit with restricted system function.
  • Any additional causes are not yet established by verified evidence.

7. Can I still drive the vehicle?

Not yet established by verified evidence. The available evidence states that system function is restricted but does not provide a driving recommendation.

8. Can I charge the vehicle?

Not yet established by verified evidence.

9. What you can safely do

  • Record the exact instrument-cluster message.
  • Have a Mercedes-Benz service facility retrieve and evaluate any stored diagnostic trouble codes, including U160E97 if present.
  • Do not attempt high-voltage or component-level repairs based on this information.

10. Step-by-step troubleshooting

  1. Verified evidence supports checking for corner radar DTC U160E97 in connection with this message.
  2. Further troubleshooting steps are not yet established by verified evidence.

11. When to contact service

Contact a Mercedes-Benz service facility for diagnosis, particularly if the message remains displayed or DTC U160E97 is stored. The supplied evidence does not establish whether immediate service is required.

12. What the service center may check

  • Check for corner radar DTC U160E97.
  • Evaluate the warning message using Mercedes-Benz guidance in LI54.30-P-080760.
  • Additional service checks are not yet established by verified evidence.

13. Possible repair or resolution

  • A repair resolution is not provided in the supplied verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication 11034188: Mercedes-Benz LI54.30-P-080760, dated June 30, 2026. It documents the message and its association with corner radar DTC U160E97 for listed Mercedes-Benz model series 174, 178, 244, 248, and 540.

16. Recall information

  • No recall information was supplied or established by the verified evidence.

17. Official manufacturer information

Official source: NHTSA Manufacturer Communication 11034188, Mercedes-Benz LI54.30-P-080760: https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2025-2026.zip#nhtsa_id=11034188. Supplied applicability identifies 2026–2027 US Mercedes-Benz CLA-Class vehicles.

19. Frequently asked questions

What does “Driver assistance systems function limited” mean?

Verified evidence documents this instrument-cluster message and associates it with corner radar DTC U160E97, which states that the control unit has an internal hardware fault and system function is restricted.

What fault code is associated with this message?

The verified Mercedes-Benz communication identifies corner radar DTC U160E97: “The control unit has an internal hardware fault. The system function is restricted.”

Is it safe to drive?

Not yet established by verified evidence.

Does this affect charging?

Not yet established by verified evidence.

20. Sources & verification

Verified
Mercedes-Benz Driver assistance systems function limited: Driver… | EV Diagnostics