Mercedes-Benz SL-Class 2013 Owners Manual - Manual (Page 165)

Problem Possible causes/consequences and M Solutions
The coolant
temperature display is
showing more than
248 ‡ (120 †). The
coolant warning lamp
may also be lit and a
warning tone may
sound.
The coolant level is too low. The coolant is too hot and the engine
is no longer being cooled sufficiently.
X
Stop as soon as possible and allow the engine and the coolant
to cool down.
X Check the coolant level (
Y
page 514). Observe the warning
notes as you do so and add coolant if necessary.
If the coolant level is correct, the engine radiator fan may be faulty.
The coolant is too hot and the engine is no longer being cooled
sufficiently.
X At coolant temperatures below 248 ‡ (120 †), drive to the next
qualified specialist workshop.
X Avoid heavy loads on the engine as you do so, e.g. driving in
mountainous terrain and stop-and-go traffic.
Automatic transmission
Important safety notes
G WARNING
If the engine speed is above the idling speed
and you engage transmission position D or
R, the vehicle could pull away suddenly. There
is a risk of an accident.
When engaging transmission position D or R,
always firmly depress the brake pedal and do
not simultaneously accelerate.
G WARNING
The automatic transmission switches to
neutral position N when you switch off the
engine. The vehicle may roll away. There is a
risk of an accident.
After switching off the engine, always switch
to parking position P. Prevent the parked
vehicle from rolling away by applying the
parking brake.
Selector lever
Overview of transmission positions
!
If the engine speed is too high or if the
vehicle is rolling, do not shift the
transmission directly from D to R, from R
to D or directly to P.
Do not open the driver's door while the
vehicle is in motion. At low speeds in
transmission position D or R, park position
P is otherwise engaged automatically.
The transmission could be damaged.
Selector lever
j
Park position
k Reverse gear
Automatic transmission
163
Driving
and
parking
Z