MB Star interface professional Mercedes Benz diagnostic tool, with high quality, work stable, one year warranty available. Every MB Star C3 or C4 have self-test function, that customers can use it more conveniently. If there is any problem during you use the MB Star diagnosis series products, you can send self-test result and your order number to us, we will confirm the problem for you, it will be more timely, it will save much more freight for you to send it back for repair.
Now, we will make a simple instruction on how to make self-test for MB Star c3:
Please kindly read following messages before your self-test:
1) Start your car, connect the device with your car.
2) Connect all the cables rightly and tightly.
Send the MB Star self-test result and your order number to sale@cnautotool.com, we will confirm the problem for you. All the problems or product install prolems, welcome to contact us for freely: cnautotool.com
