See also:

PSI (pounds per square inch)
A standard unit of measure for tire pressure. ...

Maintenance
The Service and Warranty Booklet describes all the necessary maintenance work which should be done at regular intervals. Always have the Service and Warranty Booklet with you when you bring the ...

Problems with your vehicle
If you should experience a problem with your vehicle, particularly one that you believe may affect its safe operation, we urge you to contact an authorized Mercedes-Benz Center immediately to ...