Perform chassis alignment

AR40.20-P-0200T

Perform chassis alignment

7.12.05



Measuring, adjusting

1

Drive vehicle onto test site and secure by applying parking brake

 The measuring system must be approved by Mercedes-Benz.

2

Carry out conditions and tests for chassis alignment

AR40.20-P-0260SX

3.1

Select comfort optimization with the adaptive damping system switch on the center console

Vehicles with AIRmatic (semi-active air suspension), code 489

 Both indicator lamps in the switch are off.

4.1

Deactivate easy entry/exit feature

Vehicles with memory package (driver's seat, steering column, mirrors) code 275

 Otherwise the driver seat and steering wheel move into a different position if the driver door is opened or closed for example. The driver seat can be damaged when the brake pedal jack is installed .

 The system is switched off via the buttons on the steering wheel in the "Comfort" menu of the multifunction display.

5.1

Open driver door, get out and raise the vehicle level and lower it again using the vehicle level switch on the center console

Vehicles with AIRmatic (semi-active air suspension), code 489

 Raising and lowering the vehicle reduces play in the suspension. The vehicle must not be loaded again.

6

Using the adapter, install the brake pedal retaining tool between the pedal and the driver's seat

Protect the brake pedal and driver seat otherwise the brake pedal or driver seat may be damaged.



*000589183100



*211589003100

7.1

Place the transmission in neutral

Vehicles with transmission 716

7.2

Move selector lever to position "P"

Vehicles with transmission 722

8

Open window on driver door and close driver door

 Preparations for checking steering lock. The vehicle must not be loaded again.

9

Switch off ignition

10

Attaching Mercedes-Benz quick-clamping devices

AR40.20-P-0230I

11

Fit on measuring heads

12

Unlock turnplates and sliding platforms

13

Check vehicle level at front and rear axle with electronic inclinometer, adjust if necessary

 Depending on the measurement result the vehicle level must be adjusted at the front and rear axle.

AR40.20-P-0301T

14

Perform initial measurement

15.1

Checking rear axle camber

According to results of initial measurement.

AR40.20-P-0331T

 The camber on the rear axle is not adjustable.

16.1

Adjust rear-axle toe

According to results of initial measurement.

AR40.20-P-0261T

17.1

Adjust camber and caster at the front axle

According to results of initial measurement.

AR40.20-P-0263T

18.1

Adjust front axle toe

According to results of initial measurement.

AR40.20-P-0264T

19

Perform final measurement

20

Detach sensors

21

Detach Mercedes-Benz quick-clamping devices

AR40.20-P-0230I

22

Remove brake pedal jack tool with its adapter



*000589183100



*211589003100

23

Drive vehicle off measuring system

24

Lock turntables and sliding platforms