The chime takes a little bit of getting used to, but the volume can be adjusted unlike the factory one. | Rev. The MOST-HUR MB V2 is a radio replacement interface for Mercedes Benz CLK, ML, GL & R vehicles equipped with an, Cameras: Back-up & Front-view (universal). The instructions were good. Plan contract will be emailed from Asurion within 24 hours of purchase. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. Our payment security system encrypts your information during transmission. These work really well. The MOST-HUR 31 (Head Unit Replacement) is a radio replacement interface for select Porsche vehicles equipped with an external M.O.S.T. It has interfaces for Bose, Onstar, RSE, steering wheel controls, power, speakers, and a chime module. Using this interface will retain factory features such as Warning Chimes and BOSE® ampliﬁ er (Standard or Premium) when the original radio is removed. Basic radio retention features are also available with non-iDatalink-compatible radios. It took me a little bit of trial and error to connect with the stereo properly, but it just plugged right into my car's system and the OnStar, Steering wheel controls and rear-fader worked without cutting into the existing wires. The door chime sound is not as good as the factory, but for me it is acceptable considering all the features this thing provides. Utilizing Axxess’s data interface technology, the AX-DSP-X goes beyond what a traditional DSP can do and retains many of the features commonly lost when upgrading a sound system. fiber optic amplifier. It already works with a wide range of vehicle applications and systems, including OE or aftermarket radios, and fixed level audio or analog audio, in addition to non-amplified vehicles that do not have chimes. Grid, Add items to your shopping cart to calculate shipping and time in transit. Was guaranteed that it would work, and nope it don't, be careful dealing with this company. RadioPRO Advanced Digital Radio Interfaces, Plug-and-play installation retains factory wiring integrity, Transformer isolated for optimal sound and performance, Retains the function of the factory-installed amplified sound system. Doesnt work on 03 envoys the only steering control is the on star, none of the stereo buttons work, after i questioned to make sure it worked cause of the cost. I purchased this along with a Metra dash install kit, and an Android Double DIN stereo for an audio upgrade in my 2003 Chevy Avalanche LT Z71. 100% very professional help desk for any questions or issues!