Sorry being daft. So the MB can reset VW codes for braking airbags DPF etc?
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There are two levels of scanning.
The first is OBDII, which is a universal standard compatible with all vehicles made after a certain year (~1992).
OBDII covered basic engine and transmission functions, and was created mainly to alert about emissions-related faults (though some other engine faults are covered as well).
Every generic OBDII scanner on the market, including £5 ELM327 BT jobbie off eBay, will read OBDII fault codes, and most can also erase them as well.
OBDII scanners communicate with the engine and transmission electronic control units (ECU).
However, modern cars have very many ECUs, typically a few dozens, in some cases hundreds. These includes things like the front and rear Signal Acquisition Modules (SAM), air con controller, instrument cluster, door control unit (one per door), information system, ABS/ESP controller, Stop/Start system, Supplementary Restrain System (SRS) and airbags, and many many more.
These ECUs are unique to each manufacturer, and generic OBDII scanners can't communicate with them or read them.
These manufacturer-specific ECUs can be read by a manufacturer-specific diagnostic tool, in the case of MB it is the STAR which is based on the Xentry DAS system. This is the second (and more in-depth) level of scanning.
However, STAR is not available for purchase by the public (though there are illegal clones about). Some makers of genetic OBDII scanners released higher-end devices which can read - in addition to the generic OBDII protocol - also some of the manufacturer-specific ECUs in the car.
These manufacturers include iCarsoft, Autel, Launch, and others.
So if you buy an iCarsoft MB v2.0 you get a scanner that can communicate with the engine ECU for reading and erasing of standard OBDII fault codes, AND can also communicate with some (though not all) of the MB manufacturer-specific ECUs. Typically, the iCarsoft MB v2.0 will read (and be able to erase) around 30 or so ECUs in addition to the generic OBDII protocol.
In reality, if you have the iCarsoft scanner, you will rarely use the generic OBDII function, because the manufacturer-specific part of the software essentially covers all that the basic OBDII covers and much more.
By buying the iCarsoft CR Pro (instead of the cheaper iCarsoft MB v2.0) you will be getting a scanner that can read the manufacturer-specific ECUs on all makes of cars, i.e. not just MB cars.
