Specific wiring harness for retrofitting the automatically dimming exterior mirrors for Mercedes Benz The exterior mirrors darken automatically in light (e.g. rear lights) Suitable for the following vehicles: Mercedes EQA-Class H243 series Mercedes EQB-Class X243 series Mercedes B-Class W247 series Mercedes GLA-Class H247 series Mercedes GLB-Class X247 series Selectable option: Blind spot (code 234) available Blind spot (code 234) not available Package includes: Wiring harness Note: Mirrors are also required