DYNAMIC SELECT controller 151
Problem
Possible causes/consequences and M Solutions
The coolant temperature The coolant level is too low. The coolant is too hot and the engine is not
display is showing more being cooled sufficiently.
than 120 †. The coolant X Stop as soon as possible and allow the engine and the coolant to
warning lamp may also
cool down.
be on and a warning tone
X Check the coolant level ( Y page 340). Observe the warning notes
may sound.
as you do so and top up the coolant if necessary.
Driving and parking
If the coolant level is correct, the radiator fan may be faulty. The cool-
ant is too hot and the engine is not being cooled sufficiently.
X If the coolant temperature is below 120 †, you can continue driving
to the nearest qualified specialist workshop.
X Avoid heavy loads on the engine as you do so, e.g. driving in moun-
tainous terrain and stop-start traffic.
DYNAMIC SELECT controller
Plug-in hybrid: observe the notes on the
DYNAMIC SELECT controller in the separate
Owner's Manual.
Use the DYNAMIC SELECT controller to change
the drive program. Depending on the drive pro-
gram selected, the following vehicle character-
istics will change:
R the drive (engine and transmission manage-
ment)
R the transmission
X All vehicles (except Mercedes-AMG vehi-
cles): turn DYNAMIC SELECT controller :
R the suspension
until the desired drive program is selected.
R the steering
The drive program selected appears on the
R the availability of the ECO start/stop function
multifunction display. After five seconds, this
If the ignition is switched off for less than four
information disappears from the display.
hours, the last drive program selected is activa-
In addition, the current drive program settings
ted when the engine is next started. If the igni-
are shown on the multimedia system display.
tion is switched off for more than four hours, the
Comfort drive program is activated when the
Drive programs available (all vehicles
except Mercedes-AMG vehicles):
engine is next started.
In urban traffic and stop-start traffic, the Com-
Individual
Personalised settings
fort drive program is recommended.
Sport
Sporty driving characteris-
tics
Comfort
Comfortable and economi-
cal driving characteristics
Slippery
Optimised driving charac-
teristics on slippery or
snow-covered roads
Z
English 
