Method for transmitting data (d) from a transmitter to a receiver via a two-wire data bus of a vehicle, using digital voltage signals, under the influence of common-mode interferences acting on the two-wire data bus, - wherein the two-wire data bus comprises a first data bus line and a second data bus line, - wherein the transmitter comprises a first port connected to the first data bus line and a second port connected to the second data bus line, as well as a reference potential port, - wherein the transmitter comprises a first driver for the first port and a second driver for the second port, and - wherein the receiver comprises a third port connected to the first data bus line and a fourth port connected to the second data bus line, as well as a second reference potential port, the method comprising the following steps: a) sensing a first common-mode voltage swing at the first and second ports (A1, A2) of the transmitter with respect to the first reference potential port and forming a first common-mode signal, b) transmitting data (d) by the transmitter to the receiver via the two-wire data bus by applying a digital voltage signal between the first and second ports (A1, A2) of the transmitter with a differential transmission level, i) wherein the first driver drives the first data line with a first and a first voltage level, ii) wherein the second driver drives the second data line with a second offset and a second voltage level, and iii) wherein the differential transmission level is the difference from the first voltage level and the second voltage level, c) receiving the data by the receiver by means of sensing the voltage differences between the third port and the fourth port of the receiver, and d) comparing the amount of the sensed first common-mode voltage swing to a first threshold value, characterized by e) increasing the differential transmission level if the amount of the first common-mode voltage swing is greater than the first threshold value. - wherein the two-wire data bus comprises a first data bus line and a second data bus line, - wherein the transmitter comprises a first port connected to the first data bus line and a second port connected to the second data bus line, as well as a reference potential port, - wherein the transmitter comprises a first driver for the first port and a second driver for the second port, and - wherein the receiver comprises a third port connected to the first data bus line and a fourth port connected to the second data bus line, as well as a second reference potential port, a) sensing a first common-mode voltage swing at the first and second ports (A1, A2) of the transmitter with respect to the first reference potential port and forming a first common-mode signal, b) transmitting data (d) by the transmitter to the receiver via the two-wire data bus by applying a digital voltage signal between the first and second ports (A1, A2) of the transmitter with a differential transmission level, i) wherein the first driver drives the first data line with a first and a first voltage level, ii) wherein the second driver drives the second data line with a second offset and a second voltage level, and iii) wherein the differential transmission level is the difference from the first voltage level and the second voltage level, i) wherein the first driver drives the first data line with a first and a first voltage level, ii) wherein the second driver drives the second data line with a second offset and a second voltage level, and iii) wherein the differential transmission level is the difference from the first voltage level and the second voltage level, c) receiving the data by the receiver by means of sensing the voltage differences between the third port and the fourth port of the receiver, and d) comparing the amount of the sensed first common-mode voltage swing to a first threshold value, characterized by e) increasing the differential transmission level if the amount of the first common-mode voltage swing is greater than the first threshold value.