How to increase Benz R300 Speed Limit by Launch X431 pro3s+

This is a pic & text guide on how to use Launch X431 pro3s+ to remove Benz R300 speed limit.

Connect X431 to Benz R300,then turn the ignition to “ON” position.

Select “Search Automatically”

Select “211-E Class(Up To 05/2005)” to get VIN number.

Select
System Selection>>ECM – Engine Control Module(ME)>>Variant Coding
Scroll down to view Speed limit – 230kph

Enter the menu, unfold options we’ll get 250, 280, 300…

We set it at 300kph.

Re-enter to confirm the setting.

Note: I can increase speed limit of my car because my tires are capable of 300.

Then we go back to do “System Scan”.
Here we can view what modules our car is equipped with.

Then we enter “System Selection” again.

Select
Transmission Control Module>>Read Fault Code, no fault.
Suspension>>Read Fault Code, no fault.

Done! Simple and nice!

That’s how we increase Mercedes E55 2005’s speed limit to 300kph by Launch X431pro3s+
.