The affected part when this happened, is a 64pin processor inside the SAM. In reality Mercedes should solve this problem themselves. This allows tuned in independents to be far more efficient (cheaper) than dealers as the dealers will never do this level of work. Some modern automotive technicians have a range of eeprom programmers, hot air stations etc in their arsenal of tools. A collection of virgin dumps and the knowledge of how to manipulate existing ones is all that is required.Īround the world there is a small community of techs who share solutions for these type of problems, especially on common problems, eg EIS’s. When the boot sector is damaged the only way is on the bench with a programmer. In some cases the boot sector is corrupt so there is no way to flash serially but sometimes it is possible. Imagine having to buy a new PC every time windows crashes. This situation is true of a lot of modules in Mercedes and other makes. This is basically what codecard are selling. It is actually possible to program the old MCU with a “virgin” dump and it works fine. This sam problem, as you have shown, is nothing more than a software issue. But unfortunately it seems no true, because all the cases I discuss with, MB official mechanic, and some other MBindies, all replaced the rear SAM, us I did. Some guys wrote in the forum that, the SAM's programming is getting lost only, and with a SAM's reprogramming in star diagn.
SYMPTOMS( After battery replaced, or charged, or jump up.)įaulty display visit workshop in the cluster panel Then I got mine bad one, and when I had some spare time, I tried playing, to find a cheaper solution for this common w203 failure. Finally, got from a friendly workshop, a blown. I replace it with the equivalent newer 2035453401 (or 2095450101), in the official stealers + star programming bla-bla. DIY: REAR SAM W203(AND MANY OTHERS), LOW COST REPAIRINGįew months ago, during a battery replace, my rear SAM gone off, (was an early 0025459701, which are not in production any more).
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