This sound mod contains the click-clack sound of the Telligent gearbox, there a three versions to download, the Telligent gearbox version (click-clack sound) the manual gearbox version and automat version. There is only one sound for both type (V6 & V8) engines, because it's hard to make a MB V8 sound. Added new sounds but basic engine sounds are not changed New original retarder sound Tire sound Tire rumble and cabin rattle New rumblestrip sound New park brake sound New engine break int sound Content: automatic gearbox version the telligent version manual gearbox version