0B1114 Mercedes Fault Code :
Read the description of 0B1114 in ACM02T and the engine lights up for ACM02T - Exhaust aftertreatment (17A03) code, there are some possible causes for it.
The deviation of the temperature values between the sensors '17B13 (Exhaust temperature sensor downstream of diesel particulate filter (DPF))' and '17B03 (Exhaust temperature sensor downstream of SCR catalytic converter)' is too high.