Here is the DIY instruction on Mercedes-Benz ML S350 2011 year odometer correction by using OBDSTAR X100 Pro auto key programmer.
Here has three choice
BTW,OBDSTAR X300M can change Mercedes-Benz ML S350 2011 KM as well,The blue case X300 Pro key programmer is the domestic X100 Pro which adds some Chinese car models. They perform same functions. And OBDSTAR X-100 Pro have several configurations, if you need to adjust mileage,make sure you get the correct package.
Odometer correction procedure:
current mileage: 103744 km
connect obdstar x100 to the car
turn ignition on
make the x-100 pro start
select VEHICLES-> MILEAGE ADJUSTMENT-> BENZ-> BENZ V30.00
select ML-> S164
input the mileage of the adjustment: 131030
calibration is successful
disconnect the insurance, on the insurance-after 5 s(seconds)!
now, the corrected mileage: 131008 km