General notes
If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and open the driver's door or the rear door, the anti-theft alarm system will be triggered .
► To end the alarm: insert the SmartKey into the ignition lock.
Removing the mechanical key

1 Release catch
2 Mechanical key
► Push release catch 1 in the direction of the arrow and at the same time remove mechanical key 2 from the SmartKey.
Parktronic
Important safety notes
PARKTRONIC is an electronic parking aid with
ultrasonic sensors. It indicates visually and
audibly the distance between your vehicle
and an object.
PARKTRONIC is only an ...
Tires
G 550
All-weather tires
You can obtain information about tires
and tire dimensions that are not listed here
at any authorized Mercedes-Benz Center.
Spare wheel
All-weather tires
You can obt ...
ATA (anti-theft alarm system)
■ To arm: lock the vehicle with the SmartKey
or KEYLESS-GO.
Indicator lamp 1 flashes. The alarm
system is armed after approximately
15 seconds.
■ To switch off using the SmartKey:
...