Lower Benz Air Suspension with MB SD Connect C4

This is the star diagnostic tutorial on lower Benz cars, with MB SD Connect c4 diagnostic tool. Here takes W211 as an example.

 

Model:

MB W211

 

Tools used:

MB SD C4

Dell d630 with Windows XP system

 

Tutorial on lowering the car via picture:

Model series selection: 211

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This is the main menu

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Then go to Functions performed by more than one control unit

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Then Chassis / Chassis

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Then Level adjustment

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Then Suspension

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ATTENTION:

Here is where people have problems, they just go to actuations and then lower it, IT WILL NOT STAY LOWERED this way, you have to go to initial startup

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Then Initial startup with manual settings input for new control unit/ Level Calibration

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Then F2

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Here you will see a screen that shows the voltages which correspond to the height of the vehicle. they must be within the given ranges in the left hand column. use the + and – buttons to lower the car (In the screenshot I am in the car with a friend in the back seat, so that is why it is at 3.27, it should not exceed 3) Then hit F2

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Enter in these inclination angles and if the car is within the voltages supplied in the page before, the car will accept the new lowered setting, if not it will reject it.

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Done!

 

Hope this helps out a few MB brothers.

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