Mercedes-Benz 2012 B Class - Manual (Page 142)

Problem Possible causes/consequences and M Solutions
The engine is not
running smoothly and
is misfiring. There is a malfunction in the engine electronics or in a mechanical
component of the engine management system.
X Only depress the accelerator pedal slightly.
X Have the cause rectified immediately at a qualified specialist
workshop.
Otherwise, non-combusted fuel may get into the catalytic
converter and damage it.
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 269). Observe the warning
notes as you do so and add coolant if necessary.
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.
DIRECT SELECT lever
Overview of transmission positions
The DIRECT SELECT lever is on the right of the
steering column.
j
Park position with parking lock
k
Reverse gear
i
Neutral
h
Drive
i The DIRECT SELECT lever always returns
to its original position. The current
transmission position
P, R, N or D appears
in the transmission position display
(
Y page 141) in the multifunction display.
140
Automatic transmission
Driving and parking