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Home >> Mercedes Benz >> 2008 >> R320 >> Repair and Diagnosis >> Suspension >> Wheel Alignment >> Wheels, Chassis Alignment Check - 251 Chassis >> Maintenance >> Remove/install wheels, rotate if necessary - AP40.10-P-4050RT

Remove/install wheels, rotate if necessary - AP40.10-P-4050RT

Model 251 

Left illustration 

Fig 1: Identifying Wheels Remove/Install Components
G10120955Courtesy of MERCEDES-BENZ USA

Right illustration 

Fig 2: Interchanging Wheel-And-Tire Assemblies
G10120956DANGERNOTESREMOVINGREFER TO TESTING & REPAIRINSPECTNOTESINSTALLINGNOTESIMPORTANTTORQUE SPECIFICATIONNOTESREFER TO TESTING & REPAIRNOTESREFER TO TESTING & REPAIRCourtesy of MERCEDES-BENZ USA
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer. AS00.00-Z-0010-01A
NOTES Information on tires/rims   AH40.10-P-9411-01A
REMOVING Remove     
1 Raise vehicle with vehicle lift    
REFER TO TESTING & REPAIR     AR00.60-P-1000RT
2 Remove hubcaps Vehicles with hubcaps  
3 Unfasten wheel bolts and wheels using wheel lift    
INSPECT Check     
4 Check tires for signs of damage and make sure that they are in good condition   AP40.10-P-4051Z 
5 Clean and check wheel bolt connection components, then protect against corrosion   AP40.10-P-4050-01A
NOTES
Before mounting a wheel-and-tire assembly all  the operation steps listed in the linked description must be conducted carefully.
The complete wheel can otherwise work its way loose from the vehicle.
 
Paste, hot lubrication 1 kg, DBL 6879.20 *BR00.45-Z-1005-06A 
INSTALLING Install     
6 Change round wheel-and-tire assemblies on front and rear axles If necessary, subject to separate repair order and only for vehicles without mixed tires.
NOTES
Maintain running direction of wheel-and-tire assemblies.
Otherwise handling characteristics and handling comfort may be impaired and tire wear increased.
 
7 Mount wheels using wheel lift and tighten wheel bolts IMPORTANT Observe the tightening sequence (1 to 5) and tightening torque.  
TORQUE SPECIFICATION Wheel bolt *BA40.10-P-1001-01J 
8 Lower vehicle    
9 Correct tire pressure of front and rear axle tires NOTES
With CODE 475 (Tire pressure monitor (Siemens)) Only use valve caps made of plastic.
There is otherwise a risk of corrosion.
In the event of unusual tire pressure loss:

Determine and rectify cause, subject to separate repair order.
 
REFER TO TESTING & REPAIR     AR40.10-P-1030RT 
10 Mount hubcaps Vehicles with hubcaps
NOTES
Check for correct positioning of hubcap to valve and for correct seating.
Otherwise the valve will be damaged or the hubcap will be lost.
 
11 Activate the tire pressure monitoring system Only for wheel-and-tire assembly change, tire replacement or a change in tire pressure.  
REFER TO TESTING & REPAIR   With CODE 475 (Tire pressure monitor (Siemens)) AR54.30-P-1000-02RTA
WHEELS

Number Designation Model 251
BA40.10-P-1001-01J Wheel bolt Nm 150
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1005-06A Paste, hot lubrication 1 kg, DBL 6879.20 A 000 989 76 51