Conditions for checking wheel alignment angles (Mercedes-Benz S-Class W220)

Checking the vehicle's installation angles requires an inspection pit or a special measuring lift. When taking measurements, the following conditions must be met:

• The air pressure in the tires corresponds to the specified one.
• The front wheels are positioned straight.
• The car is not loaded, the fuel tank is full.
• The car's suspension was forced down.
• The steering has been adjusted.
• The play in the steering rod connections is within acceptable limits.
• The play in the suspension joints is within acceptable limits.
• The tread depth of the tires on the same axle is the same.

(Article was borrowed from the website: mercedesman)