SI-Reset MB38 service interval reset only works for 38 pin Benz cars.
SI-Reset MB38

SI-Reset MB38 Functions:

Service Intervall Reset for Mercedes Benz cars with 38 pin connector except ML class
1.Resets the Service Indicator (Service Intervall)
2.Delete airbag faults (if your airbag warning light is on you can turn it off with this tool, if the error is not a permanent one)

SI-Reset MB38 Operating Instructions:

1.Turn ignition on
2.Plug tool to 38 pin diagnostic connector of car
3.Tool will initialize and led will be red
4.Press button of desired operation
5.Tool will show green light if the operation was successful

FAQ:

Q: Can i do SRS lamp for  Mercedes E220 Cdi  2001 with this cable?
A: Sorry, it can not do, you can choose MB Star C3 or C4 to this function.

SI-Reset MB38 Package list:

1pc x MB 38 Pin SI-Reset