Perform wheel alignment check

AR40.20-P-0200MB

Perform wheel alignment check

18.09.2019

Model

220.1

with code 979 (Special protection MB Guard)

with code Z07 (B7 armoring on special protection version)



Measure

1

Drive vehicle onto test site and secure by applying parking brake

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

2

Preconditions and checks for wheel alignment check performed

AR40.20-P-0260SX


The wheel alignment check must not be performed if the engine is hot.
Air suspension struts which have been warmed up by engine heat can influence the vehicle level.

3

Raise the vehicle level and lower it again using the switch on the center console

 Raising and lowering the vehicle reduces play in the suspension.

4

Deactivate easy entry/exit feature


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

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


Protect the brake pedal and driver seat.
The brake pedal and/or driver seat can otherwise be damaged.

 Brake pedal jack

*000589183100

 Adapter for brake pedal winch

*211589003100

6

Move selector lever to position "P"

7

Open window on driver door and close driver door

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

8

Switch off ignition

9

Attach Mercedes-Benz quick-clamping devices

AR40.20-P-0230I

10

Fit on measuring heads

11

Unlock turnplates and sliding platforms

12

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

AR40.20-P-0301MB

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

13

Perform initial measurement

14

Adjust rear-axle toe

AR40.20-P-0261MB

 Adjust the toe according to the results of the initial measurement.

15

Adjust camber and caster at the front axle

AR40.20-P-0263MB

 Adjust the camber and caster according to the results of the initial measurement.

16

Adjust front axle toe

AR40.20-P-0264I

 Adjust the toe according to the results of the initial measurement.

17

Perform final measurement

18

Detach measuring heads

19

Detach Mercedes-Benz quick-clamping devices

AR40.20-P-0230I

20

Remove brake pedal jack tool with its adapter

 Brake pedal jack

*000589183100

 Adapter for brake pedal winch

*211589003100

21

Drive vehicle off measuring system

22

Lock turntables and sliding platforms