- Belsee Best Aftermarket Android 13 Auto Head Unit Stereo Upgrade for Mercedes-Benz SLK-Class SLC-Class R172 SL-Class R231 2011-2019 9 Inch QLED Touch Screen Display GPS Navigation System 4G LTE Bluetooth Wifi Multimedia Player Apple CarPlay Sat Nav$529.99• SKU: MS172. Built-in Android 13 system special autoradio for Mercedes-Benz SLK-Class SLC-Class R172 SL-Class R231 2011-2019 • 8 Core... Learn More