MB SD Connect C4 Plus FAQ

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MB SD Connect C4 Plus FAQs:

Q: Does MB SD C4 PLUS support developer function?

A: Yes.

Q: Can MB SD C4 PLUS change the maximum speed limit on Mercedes-Benz?

A: Only use the old software and open the related function that can do for truck. But it cannot support car.

Q: Can I use mb sd c4 plus flash ECU and write VIN to ECU?

A: No, it doesn’t support flash the data. It can support the blank recognized ECU online programming.

Q: Is it possible to remove adblue from truck no need vedoc by mb sd c4 plus?

A: No.

Q: Can mb sd c4 plus work on Lenovo ThinkPad X200 Tablet?

A: As long as the Ram is 4G I5ECU above is ok.

Q: Can I use mb sd c4 plus work on the toughbook with 500gb SSD computer?

A: Yes.

Q: Does mb sd c4 plus support Panasonic CF-D1?

A: Yes.

Q: I received MB SD C4 Plus and v2020.03 software 500G HDD. But I found the HDD only has 256GB.


A: Please go to Disk Manager to check

Q: I want to diagnose 2003 UNIMOG 500 by MB SD C4 Plus, which software is good to work with?

A: V2021.09 (newest), V2019.12 and V2019.09 are ok.

Q: I used v2021.09 mb sd c4 plus to test S223, C206, E23. It always asked me to login with account and password. But when I diagnosed E213, Smart 413, A176, all of them can work normally.

A: It’s normal that the login prompt pops up when run the Xentry software. Just click Ignore. If you’re going to do an online feature, you’ll need an account and password.

Q: Will mb sd c4 plus support W205 gear box?

A: It should be not a problem.

Q: Can V2021.09 MB SD C4 Plus do MB light electronic module coding?

A: Yes.

Q: Is it possible to use v2021.09 mb sd c4 plus software on Mercedes Benz Xentry VCI C6?

A: Yes, but you need to replace the das file.

Q: Can MB SD C4 Plus diagnose 1995 Mercedes-Benz 218-D3 S320 W140?

A: The car year is too old, you can try it.

Q: Does DOIP SD C4 Plus support Mercedes actors and actros mp4?

A: Yes, support the old cars.

Q: Does MB SD C4 Plus support all the parts of w211 e55 diagnosis, test, and make rear o2s invalid?

A: No, it doesn’t.

Q: Can DOIP SD C4 Plus support diagnosis on 1989 Benz 190E to 2003 E55 AMG?

A: It can support the MB cars after year 1989, but if too old cannot sure.

Q: Can I use MB SD C4 Plus with V2020.03 Xentry software to do diagnosis on 2013 Smart ForTwo ED or 2009 Smart Fortwo Passion Cabriolet 2D?

A: In general, all the Benz cars are supported. Please give the chassis to check the detailed car model.

Q: Will DOIP SD C4 Plus diagnose all the Benz smart cars from 1998 till now?

A: Yes.

Q: Does MB SD C4 Plus support the function of refreshing the engine control module?

A: Yes.

Q: Will MB SD C4 PLUS do the functions as below?

-Adjust vehicle height: set the air suspension

-Replace brake oil bleed

– NOX O2 sensors and other real-time monitors before fault confirmation

A: Yes, all the functions above are supported.

Q: Does DOIP SD CD Plus support offline diagnosis?

A: Yes, the device supports. But the new software doesn’t have offline installer, so it cannot do offline programming while the old software can do that.

Q: The MB SD C4 plus has been connected to the vehicle (1997 Mercedes SL 500 model R129), and the IP address is correct as well. But the device prompts “device not in use”.



A: When the icon appears on the main unit, it means the device is locked.
To be continued…

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