Could you clarify if refers to a specific aftermarket tuner, a racing mod for a game like Assetto Corsa , or a specific design project? Software Updates and Owner's Manuals - Mercedes-Benz USA
Most official Mercedes-Benz wagon resources—such as those for the E-Class Wagon —consist of PDF owner's manuals and software updates rather than compressed archive files like .rar .
If you are looking for specific types of Mercedes wagon content, you might be interested in these official sources: