SD Connect C4


Diagnostic multiplexer Mercedes Star Diagnosis C4 (SD Connect C4), presented on the website, according to the classification of manufacturers in China has the highest quality class AAA+ (A+++) Full chip. It is positioned as “Taiwan”on the world’s popular online trading platforms. In fact, this is nothing more than a commercial move, Taiwan does not produce such equipment.

  1. Preliminary test of the operability of all the functions on cars (12V) and truck (24V) vehicles.
  2. Setup clear serial number (guarantee against blocking).
  3. To set the Shutdown function (complete power off without additional switches), see the video.
  4. Fix battery charging error “Insert / check batteries” “batteries can not be charged”.
  5. Update the device firmware to the latest version.
  6. Replacing the stock (Chinese) WiFi NEC card to the original D-Link used in the original SDConnect multiplexers. The original D-Link card provides a much more stable Wi-Fi connection.
  7. Calibration of battery charge current.
  8. Calibration of the measurement of the external supply voltage (elimination of a false signal about the low voltage of the car)
  9. Install the battery.
  10. Mandatory test of self-diagnosis of the multiplexer using the original Mercedes test adapter. 
  11. Retest (final performance test with car and truck).

SD Connect cable 38 pin. (pinout)

Cable 38 pin for multiplexer Mercedes Star Diagnosis C4.   Warning: Cable multiplexers SD Connect of the first and second type are compatible, but

star diagnosis

SD Connect OBD cable 16 pin. (pinout)

SD Connect OBD cable 16 pin. Cable OBD 16 pin for multiplexer Mercedes SD Connect C4. Compatibility Mercedes-Benz : 203K, A

star diagnosis

SD Connect cable 14 pin. (pinout)

Mercedes diagnostic cable 14 pin  for multiplexer SDConnect C4. 14 pin cable is used for the diagnosis of vehicles Mercedes

star diagnosis

SD Connect lan cable. (pinout diagram)

Lan cable for multiplexer Mercedes SD Connect C4. In the diagnostic complex Mercedes Benz Compact 4 to connect multiplexer SD

star diagnosis