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Mercedes SD Connect C4 multiplexer without cables. Full upgrade. Star Diagnosis C4 main unit.

Mercedes Star Diagnosis C4 main unit.

The presented multiplexer initially (from the factory) has the highest “AAA+, full chip” quality class according to the classification of multiplexers of Chinese production. C4 SDConnect multiplexers such class quality positioned on a popular shopping web sites as “Taiwan”. In fact, Taiwan does not produce such equipment.

After receipt from the manufacturer, our specialists perform several stages of improvement (upgrade).

After-factory revision “Full upgrade” includes :

  1. Unique white serial number firmware (lifetime warranty against blocking)
  2. Setting “shutdown” function – full power off (see video)
  3. Fix battery charging error “Insert / check batteries” ” batteries can not be charged»
  4. Replacement stock (factory) wifi card NEC to the original D-Link or TP-Link.
  5. Update the multiplexer with the latest firmware
  6. Install the battery

Read more about the completion of Full upgrade in the material Star Diagnosis C4 (SD Connect)