Thirdly, electronically damaged components very often result in replacement, therefore repairing (recoding) would have adverse effect on spare parts revenue.įirstly, you need the mentioned Developer key made according to your LAN ID. The reasons for disabling these functions in the DAS setups seen at the dealership are very simple: firstly, risk associated with using them is too high to open these tools to (very often) under trained and rushing technicians secondly, there are several legal obligations that put restrictions on what the dealer can do and what he can not - for instance, recoding tv-in-motion, airbags and emission-re lated systems fall into this category.
Developer kit allows unfiltered view on the module's error memory, therefore allowing to see all stored trouble codes, including the masked ones.
There is also an additional benefit: sometimes control units record a DTCs (error codes) that are filtered out by the production software.
These include recoding (variant coding) the control units without SCNs (Software Calibration Numbers), de/activation of commercially sensitive options (in-motion video of tv/dvd), recoding the configuration of airbag units, seat belt reminders, changing the configuration of instrument clusters, restoring damaged EEPROM contents for Comand/APS and other ECUs and many more. The extension is normally shipped with every DAS system, however it remains locked until a valid Developer key is entered into the configuration via the licensing menu of Star Utilities.Īs a presumed DAS user you have probably learned already that there are number of functions that would logically belong to the software options, but theyĪre missing from the regular DAS installations. This extension is normally used at the factory in order to facilitate development and testing of on-board electronic systems. This extension allows in-depth manipulation of the configuration, data and programs stored inside the electronic control units of Mercedes vehicles. Developer kit is an extension to the Diagnose Assistance System of Mercedes-Benz vehicles.
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