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Home >> Mercedes Benz >> 2021 >> GT 43 AMG >> Repair and Diagnosis >> Suspension >> Wheels & Tire System >> Wheels, Chassis Alignment -- 290 Chassis >> Testing & Repair >> Perform Wheel Alignment Check - AR40.20-P-0200FRX

Perform Wheel Alignment Check - AR40.20-P-0200FRX

Model 290 

G16553678Courtesy of MERCEDES-BENZ USA
INSPECT Check     
1 Check condition of vehicle. IMPORTANT For the wheel alignment measurement, all the vehicle parts must be installed and the vehicle must be fully assembled and ready to drive. Do not load the vehicle. The specified values for the vehicle are provided based on the actual values determined by the dimensional check system.
The specified tolerances of vehicle specified values are only for the test. If the vehicle is adjusted, the specified values should be aimed for.
 
2 Check condition and tire tread depth of tires.    
REFER TO MAINTENANCE     AP40.10-P-4052B 
3 Check rims for damage.    
4 Check and correct tire pressure.    
REFER TO MAINTENANCE     AP40.15-P-4061A 
5 Check vehicle underside for damage and corrosion of suspension, chassis and load-bearing body parts.    
REFER TO MAINTENANCE     AP60.00-P-0051J
6 Check condition of the steering mechanism.    
REFER TO MAINTENANCE     AP46.00-P-4651A
7 Check front axle joints for play and check dust boots for damage.    
REFER TO MAINTENANCE     AP33.10-P-3358A
8 Check rear axle joints for play and check dust boots for damage.    
REFER TO MAINTENANCE     AP35.20-P-3552A
9 Check condition of shock absorbers and springs.    
REFER TO MAINTENANCE     AP32.25-P-3255A
  Preparatory tasks     
10 Print out form for wheel alignment measurement. If a visual wheel alignment measurement is performed.  
REFER TO FORMS Wheel Alignment Form   OF40.20-P-3000-01B 
11 Deactivate rear axle steering by activating roller brake test stand mode. Model 290
with code 201 (Rear axle steering)
AR46.20-P-0501-01RG
12 Select drive program "Sport".    
13 Drive the vehicle onto measuring station and secure using parking brake.    
14 Unlock turn and slip plates.    
15.1 Raise vehicle level and lower again. Model 290
with code 489 (AIR BODY CONTROL)
 
15.2 Rock vehicle to settle suspension on front and rear axles several times. Model 290
except code 489 (AIR BODY CONTROL)
 
16 Switch off easy entry and exit feature. Model 290
with code 275 (Memory Package (driver's seat, steering column and mirror))
 
17 Lower window of driver's door.    
18 Install the brake pedal jack with the adapter for brake pedal jack between the brake pedal and the driver's seat. NOTES
Protect contact surfaces of SPECIAL TOOL brake pedal jack with SPECIAL TOOL adapter for brake pedal jack on brake pedal and on driver's seat.
Otherwise, the brake pedal and driver's seat may be damaged.
 
    IMPORTANT The vehicle must not be loaded again during the remaining work procedure.  
    SPECIAL TOOL Pedal arrester Fig 1
    SPECIAL TOOL Adapter for brake pedal winch Fig 2
19 Determine vehicle level on front and rear axle using electronic inclinometer. Model 290
with code ME10 (Hybrid vehicle (plug-in, PHEV))
AR40.20-P-0301LSE 
    Model 290
except code ME10 (Hybrid vehicle (plug-in, PHEV))
AR40.20-P-0301FR 
20 Attach quick clamping devices (01) to front and rear wheels and remove tensioning levers. IMPORTANT The mount is centered relative to the wheel hub or rear axle shaft flange by check pins via the five mounting holes in the rim.  
    SPECIAL TOOL Quick clamping device Fig 3
21 Attach wheel mirrors or measurement pickups.    
22 Attach measuring heads.    
MEASURING Measure     
23 Carry out input measurement.    
24 Compare determined values with the specified values.   AR40.20-P-0203FX 
    IMPORTANT The camber and caster on the front axle are not adjustable.  
    If there is a problem with the caster of the front axle:

Replace strut rod.
 
      AR33.15-P-0160FRX
    If there is a problem with the camber of the front axle:

Replace spring link.
 
      AR33.15-P-0170FRX
  Adjust     
25 Adjust toe on rear axle. According to results of initial measurement. AR40.20-P-0261FR 
26 Adjust toe on front axle. According to results of initial measurement. AR40.20-P-0264FR 
27 Adjust camber on rear axle. According to results of initial measurement. AR40.20-P-0202FRX 
MEASURING Measure     
28 Carry out output measurement.    
  Concluding tasks     
29 Detach measuring heads.    
30 Remove wheel mirrors or measurement pickups.    
31 Fit tensioning levers and remove quick clamping devices (01).    
32 Remove brake pedal jack with adapter for brake pedal jack.    
33 Lock turn and slip plates.    
34 Activate rear axle steering by deactivating roller brake test stand mode. Model 290
with code 201 (Rear axle steering)
AR46.20-P-0501-01RG
35 Drive vehicle off measuring system.    
36 Switch on easy entry and exit feature. Model 290
with code 275 (Memory Package (driver's seat, steering column and mirror))
 
37 Check headlamp adjustment.    
REFER TO MAINTENANCE     AP82.10-P-8260O
Fig 1: Identifying Pedal Arrester (000 589 48 31 00)
G16553679Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Adapter For Brake Pedal Winch (211 589 00 31 00)
G16553680Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Quick Clamping Device (124 589 01 31 00)
G16553681Courtesy of MERCEDES-BENZ USA