Setting the center air vents

1. Center air vent, left
2. Center air vent, right
3. Center vent thumbwheel, right
4. Center vent thumbwheel, left
•► To open/close: turn thumbwheels 3 and 4 up or down.
See also:
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 ...
Problems with the engine
Problem
Possible causes/consequences and - Solutions
The engine does not
start. The starter motor
can be heard.
- There is a malfunction in the engine electronics.
...
System self-test
The indicator lamp illuminates
when you:
• turn the SmartKey to position 1 or 2 in the ignition lock
• on vehicles with KEYLESS-GO, press the Start/Stop button once or twice
If an adult occupant ...
