Mercedes-Benz CLA Operator's Manual page 150

Automatic transmission
148
Problem
The engine is not run-
ning smoothly and is
misfiring.
The coolant tempera-
ture gauge shows a
value above 248 ‡
(120 †). The coolant
warning lamp may also
be on and a warning
tone may sound.
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 neu-
tral 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 vehi-
cle from rolling away by applying the parking
brake.
Bear in mind that the power transmission
between the engine and the transmission is
interrupted when the engine is switched off.
Possible causes/consequences and M M Solutions
There is a malfunction in the engine electronics or in a mechanical
component of the engine management system.
Only depress the accelerator pedal slightly.
X
Otherwise, non-combusted fuel may get into the catalytic con-
verter and damage it.
Have the cause rectified immediately at a qualified specialist
X
workshop.
The coolant level is too low. The coolant is too hot and the engine
is no longer being cooled sufficiently.
Stop as soon as possible and allow the engine and the coolant to
X
cool down.
Check the coolant level (
X
notes as you do so and add coolant if necessary.
page 289). Observe the warning
Y
To prevent the vehicle from rolling away:
when the engine is switched off and the
R
vehicle is stationary shift the automatic
transmission to park position P and
apply the electric parking brake
R
DIRECT SELECT lever
Overview of transmission positions
Park position with parking lock
j
Reverse gear
k
Neutral
i
Drive
h