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 GLA-Class H247 Optical and acoustic warning of detected obstacles up to a speed of 10 km/h With the coding dongle 46510, which is 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: Reversing camera Code 218 not available Switch block colour black Reversing camera Code 218 not available Switch block colour silver Reversing camera Code 218 not available Switch block colour black Reversing camera Code 218 not available Switch block colour silver Scope of delivery: 12 sensors Control unit Switch block Horn Cable sets Covers 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 Air suspension semi-active/regulating Improved M016 engine for high performance M177 V8-Ottomotor engine - AMG M276 V6-Ottomotor engine M40 engine Displacement 4.0 liters