(You will lose some settings like USB stick audio cataloguing and your Navigation and phone favourites but this is no big deal at all). It does NOT update the maps which stay on the same version as your card when it was new (or updated within the original 60 days if you did that)ĥ - Now the anomaly that allows anyone to get the latest version of the Maps: Important step: In your Audio 20, and, with your Garmin SD card in the slot, select Vehicle, reset settings in the Audio 20 menus (Not the Navigation menu). ![]() NB THIS ONLY UPDATES THE GARMIN SOFTWARE. If you have an old version of the Garmin software, you will be offered it automatically. DO NOT SKIP THIS STEP!ģ - Ensure your SD card is not write protected, Move the tab toward the electrical contacts to unlockĤ - Update your Garmin SD card using DLM. I cannot stress how important this backup is. The username and password for this program are DLM and DLM (in capitals)Ģ - BACKUP your current card using an SD card reader for your PC and with the DLM 3.0.12 backup tool. My car came from the factory with Garmin 2016/2017 maps on the SD card but I now have the latest 2020/2021 V15.0 maps which were only released this month!ġ - Download the Official Mercedes customer tool: Mercedes Download Manager (DLM) latest version 3.0.12 (older versions may not work and, incidentally, it is not Version 1.0.X which is a newer DLM program but only for cars with a different NTG system with widescreen display, so not for the R172). You can update the Systems Software at any time using DLM (By yourself or get a dealer to do it), but the maps always stay on the original version after this 60 days meaning you have to buy a new SD card if you want to update to the later versions.Ĭurrently, there is an anomaly that allows anyone to update their card legitimately to the latest version (as long as your Garmin SD card is a 32GB card and not an old 16 GB, as the new maps are just over 19GB) (Just put the card in a PC's SD reader to check the size). Usually you can only update Garmin maps to the latest version for 60 days after you first activate the SD Card. This is only for Audio 20 / Garmin Navigation, not the Becker COMAND one. Mercedes Download Manager (DLM) latest version 3.0.12įREE Garmin Map update to latest MAPS version using the Mercedes Download Manager
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