Compatibility For MClass, RClass, GL, ML350, GL450, R320 models Touch and control feel Touch module offers button travel and force replicate damping adjustment, preserving the German control texture Function integration Integrates frequency functions such as cruise, volume, and voice Layout conforms to ergonomic logic for intuitive operation Maintenance Wipe the buttons with a soft cloth and mild detergent Take care to prevent moisture from penetrating to improve durability Benefits and practical advantages Centralizes control of essential functions in one panel for easier access Maintains an authentic German control feel Ergonomic layout reduces reach and driver distraction Durable design with simple, loweffort maintenance Use scenarios Daily commuting: quickly adjust cruise control and audio without taking hands off the wheel Long highway trips: manage cruise, volume, and voice commands conveniently while driving Vehicle update or refresh: compatible with MClass, RClass, GL family to preserve original control texture and user experience