Mercedes AMG Multimedia and Audio Upgrade – 13 inch Multimedia Touchscreen – Focal Speakers – XFIRE Amplifier – Match Subwoofers – Soundproofing | B&B Audioconcepts Cardiff   Mercedes AMG Multimedia and Audio Upgrade This slick Mercedes AMG cruised in for some upgrades to give it a new lease of life for entertainment. A huge 13 … Continue reading Mercedes AMG Multimedia and Audio Upgrade