Mercedes Increase Speed Limit by Autel MaxiSys Pro MS908P

How to reprogram Mercedes Benz C240 to remove the speed governor that is set at 250k/h (from original 130 km/h).


Autel Maxisys Pro MS908P

Autel J2534 MaxiFlash Pro ECU Programming Tool


Connect MS908P and J2534 with Benz C240.

Go to “MaxiSys-> Diagnostics-> Benz-> vehicle detect”.
MS908P - Increase Speed Limit-1

Gateway data initializing…

Get the VIN number. Tap OK to go on.
MS908P - Increase Speed Limit-2

Select the date of manufacture vehicle. This case is up to 2003.

Press the button left to select left-hand steering.

System data initializing…

Communication is established…

Go to Programming/Coding.
MS908P - Increase Speed Limit-3

Go to ME2-SFI-Motor electronics 2.

MS908P - Increase Speed Limit-4

Establishing communication…

Go to Variant coding.

Go to Display of coding data.

Go to Coding.

System data initializing…

Scroll to 2031 about speed limit. Put on the bar.

MS908P - Increase Speed Limit-5

Tap F2 Edit.

Set 250 km/h, and tap OK.
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Tap F3 send.

Tap OK to make sure that the coding is transferred to the control unit.

The coding has been carried out.

Turn off the key and then turn the car back on. Then you can go for a drive.

Ps. cool thing!!

Go to instrument cluster.

Establishing communication…

Go to Active Test.

Go to Actuation of the instrument pointer up to the maximum position. And you will see

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MS908P – Increase Speed Limit-8


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