Setting a speed
WARNING
Keep in mind that it may take a brief moment
until the vehicle has made the necessary
adjustments.
Increase or decrease the set vehicle speed to a value that the prevailing road conditions and legal speed limits permit. Otherwise, sudden and unexpected acceleration or deceleration of the vehicle could cause an accident and/ or serious injury to you and others.
•► Press the cruise control lever up 1 for a higher speed or down 2 for a lower speed.
•► Keep the cruise control lever pressed until the desired speed is reached.
•► Release the cruise control lever.
The new speed is stored. DISTRONIC PLUS is activated and adjusts the vehicle's speed to the new speed stored.
See also:
Vehicle data, GL 550
The data stated here refers specifically to a
vehicle with standard equipment. Consult an
authorized Mercedes-Benz Center for the
data for all vehicle variants and trim levels.
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Engine
Display messages
Possible causes/consequences and
Solutions
The coolant level is too low.
Add coolant, observing the warning notes when doing so.
If coolant nee ...
Using the SmartKey
The SmartKey must be close to
the
driver's door handle.
Point the tip of the SmartKey at
the driver's door handle.
Press and hold the
button until the side windows and
the sliding sunro ...