0ADA00 – Hybrid Battery Positive Contactor Control Circuit Range Performance.0AE500 – Hybrid Battery Negative Contractor Control Circuit Range Performance.161A52 – ECU In-Plant Mode Active not activated.0A7F00– Hybrid Battery Pack Deterioration.0A1F00 – There is an internal fault in the control unit battery.0A1F96 – There is an internal fault in the control unit battery.0A9B86 – The temperature sensor A of the high-voltage battery has an electrical fault.0AC586 – The temperature sensor B of the high-voltage battery has an electrical fault.0ACA86 – The temperature sensor C of the high-voltage battery has an electrical fault.0AE886 – The temperature sensor D of the high-voltage battery has an electrical fault.0A1F04 – There is an internal fault in the control unit battery.180C00, 180500 – The hardware monitoring function has detected a fault in the control unit.0A7D00 – The charge level of the high-voltage battery module is low.0BBE00 – The cell voltages in the high-voltage battery module are different.0BBD00 – The limit value for the difference between the high-voltage battery module cell voltages was exceeded.180F00 – The high-voltage battery malfunctioned during the recovery phase.To be balance charged, all the cells must be within 0.03 Volt of each other.Ĭommon fault codes that show up as stored or current in the battery management module (SG-BMS): A critical function is to ensure that each of the 35 li-ion cells is balance-charged, meaning that none of the cells should have a higher or lower charge level than the rest. The BMS manages the charging of the hybrid battery. Inside the hybrid battery, you will also find the BMS (Battery Management System – N82/2).
Mercedes batteries not included how to#
Follow our guide on how to charge Mercedes-Benz Hybrid Battery. The vehicle is designed to disable the engine start if the battery charge level is below 15%.Ĭharging the high-voltage battery is possible using a 75Amp 12-volt charger connected to the vehicle jump-start terminals. One common problem with the high voltage battery is that the charge level drops to critically low levels, which prevents the vehicle from starting. If the A/C compressor fails, it can disable the hybrid system.
The battery shown above has 35 cells-a nominal voltage of 3.7 volts and a max of 4.1 volts per cell. Bad Li-ion Cell – One faulty cell can turn the hybrid battery off.Critically Low Charge Level of the Hybrid Battery.
BMS is integrated into the hybrid battery. Battery Management System (BMS) Failure.
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