Mercedes Actros MP4/MP5 OM470 sound mod by Max2712 v2.7

Changelog for V2.6:
    adaption for patch 1.43
    custom sound attenuation config for a realistic sound isolation in the cabin (ETS2 1.43 only!)
    slight improvements in all sound tracks
    better balanced sound volumes

Changelog for V2:
engine sound completely redone, remixed and rebalanced
air-brake sounds recorded on a Actros with trailer
realistic lift-axle sound added + 3D-positioned
real reverse sound added and 3D-positioned to the rear of the truck
new horn sound recorded in reallife
new air-horn sound recorded by @Dotec
added a warning sound when turning off the engine without parking brake
added unique window sounds of a real Actros
new wiper sounds

Changes v1.1
Update for 1.40