Mercedes-Benz Reduced Drive Power
Reduced Drive Power
Quick answer
Mercedes-Benz “Reduced Drive Power” is an OEM alert indicating reduced drive power. For applicable US EQB, EQE, and EQS vehicles, Mercedes-Benz has documented that the warning can appear even when no relevant fault codes are present.
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 Reduced Drive Power mean?
Mercedes-Benz “Reduced Drive Power” is an OEM alert indicating reduced drive power. For applicable US EQB, EQE, and EQS vehicles, Mercedes-Benz has documented that the warning can appear even when no relevant fault codes are present.
2. Technical explanation
Verified Mercedes-Benz service communication LI08.10-P-079423, published through NHTSA on June 12, 2025, addresses a “Reduced Drive Power” warning shown in the instrument cluster. The communication states that there are several reasons the warning can activate and notes the reported condition may occur without relevant fault codes. The supplied evidence does not establish a complete list of causes or a specific repair for an individual vehicle.
3. What system is affected?
Electrical motor function group 08.10 is identified in the verified Mercedes-Benz service communication.
4. How serious is this code?
Unknown. The supplied verified evidence does not assign a severity level.
5. Symptoms you may notice
- “Reduced Drive Power” warning displayed in the instrument cluster.
- No relevant fault codes may be present.
6. Possible causes
- Mercedes-Benz states that several reasons can activate the warning.
- The supplied source excerpt identifies an example beginning “Hood is not clos...”; the complete cause wording is not present in the supplied verified evidence.
- Any other specific cause is not yet established by verified evidence.
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
- Do not attempt high-voltage diagnosis or repair.
- Arrange Mercedes-Benz service evaluation if the warning is displayed.
- Record when the warning appears and whether it remains displayed; this may help service diagnosis.
10. Step-by-step troubleshooting
- A Mercedes-Benz service communication should be consulted by qualified service personnel: LI08.10-P-079423.
- The supplied evidence does not establish user-performed diagnostic steps.
11. When to contact service
Mercedes-Benz service evaluation is appropriate because this is an electrical-motor-related warning and the verified communication recognizes that it can occur without relevant fault codes.
12. What the service center may check
- Review Mercedes-Benz service communication LI08.10-P-079423.
- Evaluate the instrument-cluster warning condition, including cases where no relevant fault codes are stored.
- Further specific inspection procedures are not established by the supplied verified evidence.
13. Possible repair or resolution
- Not yet established by verified evidence.
14. Affected vehicles
- Mercedes-Benz EQB · 2022–2025 · US
- Mercedes-Benz EQE · 2022–2025 · US
- Mercedes-Benz EQS · 2022–2025 · US
15. Related TSBs / service bulletins
- Mercedes-Benz LI08.10-P-079423, version 1: “Reduced Drive Power Warning in the Instrument Cluster.” NHTSA Manufacturer Communication 11019743; published June 12, 2025. The communication applies to Mercedes-Benz model series 243, 294, 295, 296, and 297.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Official source: NHTSA Manufacturer Communication 11019743, Mercedes-Benz LI08.10-P-079423: https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2025-2026.zip#nhtsa_id=11019743
19. Frequently asked questions
What does Mercedes-Benz “Reduced Drive Power” mean?
The verified diagnostic meaning is “Reduced Drive Power.” Mercedes-Benz service communication LI08.10-P-079423 describes the warning as appearing in the instrument cluster.
Can this warning appear without fault codes?
Yes. The verified Mercedes-Benz communication states that the warning may be displayed while no relevant fault codes are present.
Which vehicles are covered by the supplied applicability data?
US-market Mercedes-Benz EQB, EQE, and EQS vehicles for model years 2022 through 2025. Mercedes-Benz communication LI08.10-P-079423 also identifies model series 243, 294, 295, 296, and 297.
Is it safe to drive or charge?
Not yet established by verified evidence.