xabo

For the W216 you need to:

Get in the car, shut the door and turn the ignition key to the first accessory position, making sure the odometer miles are showing.

Press and hold the make call button, within 1 second, press the OK button and hold both for 5 seconds.

You should see:

Scroll down to highlight:

Press OK to confirm, and you should see:

Press OK again, start engine, you should see these two messages:


you are now in Dyno Mode.

You can also reset and check the service reminders from this screen.

RaceHorse

Is someone looking to get a baseline???

xabo

Want to start to "really enjoy" this puppy!! Been retired for over a year now....getting bored!

CL55_Serge

I'm going to try this out on the way to work tomorrow! :-)