Method for heating an exhaust system of a combustion engine of a motor vehicle

A method for heating an exhaust system of a combustion engine (10) of a motor vehicle, wherein the exhaust system comprises at least two components (12, 13, 15) for exhaust gas cleaning and wherein for a first component (12) of the at least two components (12, 13, 15), a temperature regulation is provided for heating the first component (12) while in a heating operation mode, wherein, in the heating operation mode, a heating operation is used for additionally heating a second component (13) of the at least two components (13, 15), for which no temperature regulation is provided, via a pulse control including heating pulses (101) and heating pauses (102), and

• wherein the method further comprises switching between the heating operation mode and a normal operation that does not include heating measures and wherein the heating operation mode includes affecting an injection timing of the combustion engine (10).