Mercedes-Benz mileage blocker | Km stopper through freezer | USA

Mercedes-Benz odometer correction tool

Mileage Stopper for Mercedes-Benz is installed behind the dashboard.

The installation process is straightforward and doesn't take a lot of time.

For installation instructions, please see our videos.


Activation is performed with regular buttons in the car's interior and does not require the output of any wires or installation of an additional button.

Our device works on all Mercedes cars manufactured from 2012 to 2019.

Series 164, 166, 205, 212, 447, 253, 222 — all these models work without any errors.

There are two modes (switched successively): ON and OFF.

Mode switching is confirmed by the flashing of a hazard light.

To SWITCH a mode:


— all C-Class (205 series)

— all S-Class (222 series)

— all GLC-Class (253 series)

— all Vito and V-Class (447 series)

Press and hold the "Return" button on the left side of the steering wheel for 10 seconds.


— all GL-Class (164 series)

— all ML-Class (166 series)

— all B-Class (212 series)

Press and hold the "Mute" button on the right side of the steering wheel for 10 seconds.

ATTENTION: Please don't try switching the mode while moving/driving. It may cause the speedometer to get stuck at the value of the mode switching. To solve this issue, please leave the car to rest for an hour or two so that the ECU could reset itself or try turning off the device.

Known glitches and issues:

- Blinking interior light (only on W222 and W217 models), but if you set it to the minimum, it will not be visible.

- Actual mileage is recorded in ECU (Only on some diesel models).

Speedometer Calibration.

Mercedes-Benz vehicles have different ECUs depending on its engine's model and power. Thus the speedometer could be a little off, showing slightly different (higher or lower) values from the actual speed. Therefore, the device has a function for the speedometer arrow calibration.

To calibrate the speedometer, you need to press and hold the "Plus" button (on the right side of the steering wheel) for five seconds. After holding the button for five seconds, the speed will start to increase. Release the button when the desired value is reached. To decrease the speed, press and hold the "Minus" button. Repeat if necessary. 

Calibration should be performed on an empty road with as few traffic lights as possible. Use a GPS device (or any smartphone app) to verify actual speed. 

How do I check the mileage on my Mercedes?

Find the “Up”, “Down” and “OK” buttons on the left side of the steering wheel. Click the Up. Press these buttons until you find the car’s odometer. To reset the trip odometer use the same buttons to scroll through the menus until you find find the trip odometer. Press and hold the “RES/Reset” button to reset the trip odometer.


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