BEV model family

Mercedes-Benz EQS error codes and diagnostics

Diagnostic coverage for model years 2022–2027. Verified entries below are linked to this model family by source-backed applicability evidence; model membership alone is never used to invent a code relationship.

PowertrainBEV
Model years2022–2027
Verified diagnostics23
Research leads0

Verified Verified Mercedes-Benz EQS diagnostic codes

Each result opens a manufacturer-specific report with the code meaning, affected vehicles, source evidence and the full diagnostic knowledge page where available.

Active Emergency Stop Assist Currently UnavailableActive Emergency Stop Assist Currently Unavailable · 2022–2025View diagnostic report →B15CE00control unit for telematics services (HERMES)": • The message "SOS - service not activated" permanently lights up in the instrument cluster AND the actual value "Error when replaci · 2022–2024View diagnostic report →B161609Due to a reduction in resistance at the HV voltage divider, the DC/DC converter measures an incorrect HV voltage. Regulation of the 12 V output voltage is therefore unstable or tur · 2022–2025View diagnostic report →B17D149The "Adaptive interior lighting" control unit for the rear left roof has malfunctioned. There is an internal electrical fault. • E48/4 (Adaptive rear interior lamp, roof, center) / · 2022–2023View diagnostic report →B17D249The "Adaptive interior lighting" control unit for the rear right roof has malfunctioned. There is an internal electrical fault. Cause Software in the control units E48/3-5. Remedy · 2022–2023View diagnostic report →B17D349The "Adaptive interior lighting" control unit for the rear center roof has malfunctioned. There is an internal electrical fault. • E48/5 (Adaptive rear interior lamp, roof, right) · 2022–2023View diagnostic report →B19B313Antenna 1 open load • B19B413 - Antenna 2 open load • B19B513 - Antenna 3 open load • B19B613 - Antenna 4 open load Cause Antenna amplifier Remedy Replace the antenna amplifier · 2022–2024View diagnostic report →B19B413Antenna 2 open load • B19B513 - Antenna 3 open load • B19B613 - Antenna 4 open load Cause Antenna amplifier Remedy Replace the antenna amplifier · 2022–2024View diagnostic report →B19B513Antenna 3 open load • B19B613 - Antenna 4 open load Cause Antenna amplifier Remedy Replace the antenna amplifier · 2022–2024View diagnostic report →B19B613Antenna 4 open load Cause Antenna amplifier Remedy Replace the antenna amplifier · 2022–2024View diagnostic report →C220564"There is an internal fault in the steering angle sensor. There is an implausible signal." In the quick test, there are also no other DTC's in other control units that point to or · 2022–2026View diagnostic report →Cooling system fault, operating en- ergy input reduced, service requiredCooling system fault, operating en- ergy input reduced, service required · 2022–2025View diagnostic report →DRIVE PILOT cannot be activated system currently unavailableDRIVE PILOT cannot be activated system currently unavailable · 2022–2024View diagnostic report →High -voltage electrical system faultHigh -voltage electrical system fault · 2022View diagnostic report →Reduced Drive PowerReduced Drive Power · 2022–2025View diagnostic report →The electric power steering has a malfunction. There is a component fault.The electric power steering has a malfunction. There is a component fault. · 2022View diagnostic report →The electric power steering has a malfunction. There is a runtime error.The electric power steering has a malfunction. There is a runtime error. · 2022View diagnostic report →There is an internal fault in the stee- ring angle sensor. There is an implausible signal.There is an internal fault in the stee- ring angle sensor. There is an implausible signal. · 2022–2025View diagnostic report →U05B5E1range radar sensor calibration drive as outlined in LI54.71-P-078377. If one or more unsuccessful programming or coding operation occurs – observe SI54.21-P-0067S. 3. Disconnect XE · 2024–2025View diagnostic report →U05B6E1range radar sensor calibration drive as outlined in LI54.71-P-078377. If one or more unsuccessful programming or coding operation occurs – observe SI54.21-P-0067S. 3. Disconnect XE · 2024–2025View diagnostic report →U05B7E1range radar sensor calibration drive as outlined in LI54.71-P-078377. If one or more unsuccessful programming or coding operation occurs – observe SI54.21-P-0067S. 3. Disconnect XE · 2024–2025View diagnostic report →U05B8E1range radar sensor calibration drive as outlined in LI54.71-P-078377. If one or more unsuccessful programming or coding operation occurs – observe SI54.21-P-0067S. 3. Disconnect XE · 2024–2025View diagnostic report →U071286U042986, Implausible data were received from the steering column module. There is an incorrect signal. Please open a TIPS case to the Body/Chassis/Entertainment inbox · 2022–2026View diagnostic report →

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EV Diagnostics separates vehicle catalog data from diagnostic applicability. A code is listed as verified for Mercedes-Benz EQS only when supporting evidence connects that diagnostic identity to the model or its documented model-year range.

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