With this dongle it is possible to change the One Touch flashing from 3 to 4 or 5 flashing cycles Suitable for the following vehicles A-Class 177 series EQA-Class 243 series B-Class 247 series CLA-Class 118 series C-Class 205 series CLS-Class 218 series E-Class 213 series E-Class Cabrio 238 series CLS-Class 257 series GLA-Class H247 series 247 GLB-Class X247 series 247 GLC-Class X253 series 253 GLC-Class C253 series 253 EQC-Class 293 series GLE-Class C292 series 292 GLE-Class V167 series 167 GLE-Class C167 series 167 GLS-Class X167 series 167 G-Class 463 series from 2018 S-Class 222 series S-Class Coupé and Cabrio 217 series V-Class 447 series Sprinter 907 / 910 series Vito 447 series Hymer B-Class Hymer ML-T Hymer Tramp S Hymer Free S Other models on request Activation and deactivation via the diagnostic interface of your vehicle After each use, the flashing processes are changed as follows: Example: 1st use = extension of the flashing cycles to 4x 2nd use = extension of the flashing cycles to 5x 3rd use = reset to factory settings (3x flashing cycles) 4th use = extension of the flashing cycles to 4x 5th etc. Scope of delivery: 1x Coding dongle Note: The coding dongle can only be used for one vehicle