Mercedes-Benz 2009 R-Class, Operator'S Manual

Page: 135 / 412

Driving and parking
133
For more information on driving, see “Driving
instructions” (
Y
page 279).
Problems while driving
The engine runs erratically and misfires
R
Gasoline engine: An ignition cable may
be damaged.
R
The engine electronics may not be
operating properly.
R
Gasoline engine: Unburned gasoline may
have entered the catalytic converter and
damaged it.
X
Give very little gas.
X
Have the problem checked at an authorized
Mercedes-Benz Center as soon as possible.
The coolant temperature is above
248‡ (120†)
The coolant is too hot and is no longer cooling
the engine.
X
Stop the vehicle in a safe location as soon
as possible.
X
Turn off the engine immediately.
X
Allow the engine and coolant to cool off.
X
Check the coolant level and add coolant if
necessary (
Y
page 251).
In case of accident
If the vehicle is leaking fuel:
X
Do not start the engine under any
circumstances.
X
Exit the vehicle at a safe distance from the
roadway.
X
Notify local fire and/or police authorities.
If the extent of the damage cannot be
determined:
X
Contact an authorized Mercedes-Benz
Center or call Roadside Assistance.
If no damage on major assemblies, fuel
system, and engine mount can be
determined:
X
Start the engine in the usual manner.
Parking
G
Warning!
Do not park this vehicle in areas where
combustible materials such as grass, hay
or leaves can come into contact with the
hot exhaust system, as these materials
could be ignited and cause a vehicle fire.
To reduce the risk of serious personal
injury, or damage to the vehicle or the
vehicle drivetrain, as a result of vehicle
movement, always do the following before
turning off the engine and leaving the
vehicle:
R
Keep right foot on the brake pedal.
R
Engage the parking brake.
R
Shift the automatic transmission into
park position
P.
R
Slowly release the brake pedal.
R
When parked on an incline, always turn
the front wheels towards the road curb.
R
Turn the SmartKey in the starter switch
to position
0 and remove the SmartKey
Controls in detail
Z