Complete kit for retrofitting the original Parktronic Code 235 parking aid at the front and rear of the vehicle, including visual parking aid for Mercedes GLS-Class 167 series Optical and acoustic warning of detected obstacles up to a speed of 10 km/h With the coding dongle 46510, also available, you can also expand the parking assistant to include autonomous parking, while the following functions are available: The active parking assistant recognizes suitable parking spaces at speeds below 35 km/h. The following options are available: Parking forwards, reversing into perpendicular parking spaces or reversing into parallel parking spaces Travel: Only available if you have previously parked using the parking assistant Selectable option: Switch block in black Switch block in silver Scope of delivery: 12 sensors Control unit Switch block Horn Cable sets Coding dongle Note: The sensors are supplied primed - painting is required For vehicles without one of these codes, the EZS (electronic ignition lock) must also be replaced 233 DISTRONIC PLUS 239 DISTRONIC PRO 266 DTR + Cross traffic 459 Steel suspension with adjustable damping 489 AIRMATIC Dual Control/Semi-active air suspension M016 Engine upgraded to high performance M177 V8-Otto engine M177 - AMG M276 V6-Otto engine M276 M40 Displacement 4.0 liters