BEV model family
Mercedes-Benz CLA-Class error codes and diagnostics
Diagnostic coverage for model years 2026–2027. 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 years2026–2027
Verified diagnostics15
Research leads0
Verified Verified Mercedes-Benz CLA-Class 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.
B15BF00SIG_SEMA_C_22 • U0420E2 with error ID: SYS_EPS_22 • U041629 with error ID: SIG_ESP_12 • U013187 • U044229 Cause Software status of IDC_GEN6 In some cases, a diagnosis session or a · 2026View diagnostic report →C1016E0SIG_ESP_71 • B15BF00 with error ID: SIG_SEMA_C_22 • U0420E2 with error ID: SYS_EPS_22 • U041629 with error ID: SIG_ESP_12 • U013187 • U044229 Cause Software status of IDC_GEN6 In s · 2026View 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 →Driver Assistance System Func- tions Limited Please Drive with Caution See OperatorDriver Assistance System Func- tions Limited Please Drive with Caution See Operator · 2026View diagnostic report →Driver assistance systems function limitedDriver assistance systems function limited · 2026–2027View diagnostic report →Driving assistance system function limitedDriving assistance system function limited · 2026–2027View diagnostic report →The control unit has an internal hardware fault. The system function is restricted.The control unit has an internal hardware fault. The system function is restricted. · 2026–2027View diagnostic report →There is an internal fault in the steering angle sensor. There is an implausible signal.There is an internal fault in the steering angle sensor. There is an implausible signal. · 2022–2026View diagnostic report →U013187• All driver assist functions operate without restrictions AND • There are no persistent driver assist cluster messages (Example: white message for "Drive · 2026View diagnostic report →U041629SIG_ESP_12 • U013187 • U044229 Cause Software status of IDC_GEN6 In some cases, a diagnosis session or a software update may generate fault codes that do not cause any restrictions · 2026View diagnostic report →U0420E2SYS_EPS_22 • U041629 with error ID: SIG_ESP_12 • U013187 • U044229 Cause Software status of IDC_GEN6 In some cases, a diagnosis session or a software update may generate fault code · 2026View diagnostic report →U044229• All driver assist functions operate without restrictions AND • There are no persistent driver assist cluster messages (Example: white message for "Driver Assist S · 2026View 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 →U142791"Implausible data were received from the control unit 'Head unit'. The parameter is outside the permissible range." Cause Under Determination. Remedy Update vehicle software to MB · 2026View diagnostic report →driver assistance systems unavailabledriver assistance systems unavailable · 2026View diagnostic report →
About this model coverage
EV Diagnostics separates vehicle catalog data from diagnostic applicability. A code is listed as verified for Mercedes-Benz CLA-Class only when supporting evidence connects that diagnostic identity to the model or its documented model-year range.
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