PSI (pounds per square inch)
A standard unit of measure for tire pressure.
See also:
Activating/deactivating
Turn the SmartKey to position 2
in the ignition lock.
To switch on: press the
button. The indicator lamp in the
button lights up. Airflow and air
distribution are set to automatic mode.
or ...
TWR (Tongue Weight Rating)
The TWR specifies the maximum permissible
weight that the ball coupling of the trailer tow
hitch can support. ...
Exterior & Styling
Particularly from the rear, the GL's appearance looks a bit like Mercedes'
original M-Class. The 21-inch wheels, oversized grille and chrome running boards
on my test car gave it a look similar to ...