Mercedes-Benz 2003 SL 500 Operator's Manual page 176

Controls in detail
Driving systems
1 Set speed
2 White DTR indicator lamp E
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The vehicle speed displayed on the
speedometer can briefly vary from the
speed setting on the distronic system.
176
Setting the current speed
Accelerate or decelerate to the desired
speed.
Briefly lift or depress the cruise control
lever.
The current speed is set.
Remove your foot from the accelerator
pedal.
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If you do not take your foot off of the
accelerator completely, the following
message will appear in the speedome-
ter display field:
. The distance to a slower
DTR override
moving vehicle in front of you will not
be set. Your vehicle speed will then be
determined only by the accelerator
pedal position.
Setting a higher speed
Lift the cruise control lever to
position 1 ( page 175) and hold it up
until the desired speed is reached.
Release the cruise control lever.
The new speed is set.
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Depressing the accelerator pedal does
not deactivate Distronic. After brief ac-
celeration (e.g. for passing), the cruise
control will resume the last speed set.