Suitable OBD adapter to activate the permanent storage of the last setting of the active lane keeping assistant of your Mercedes Benz If the button is set to "OFF" once, this setting will be retained even after changing the ignition Simply connect the adapter to the vehicle's OBD interface - done! Coding starts and ends automatically Suitable for the following Daimler models: A-Class 177 series B-Class 247 series CLA-Class 118 series GLA-Class 247 series GLB-Class 247 series GLC-Class 253 series (from model year 2020) EQA-Class H243 series EQC-Class 293 series E-Class 213 series CLS-Class 257 series GLE-Class 167 series GLS-Class 167 series Sprinter 907/910 series Other models on request Scope of delivery: 1x Coding dongle Note: In rare cases, the multifunction camera or the Intelligent Drive Unit may have firmware in which the coding cannot be set. If you have this firmware, an update of the multifunction camera or the Intelligent Drive Unit must be carried out at Mercedes. In most cases the dongle works right out of the box and no updates are necessary, unfortunately this cannot be clearly determined based on the chassis number.