Starting And Stopping The Engine - Mercedes-Benz OM 457 LA Operating Instructions Manual

X
Check the engine oil level with dipstick :.
The oil level should be between the upper
and lower marks on dipstick :.
X
If necessary, use filler neck ; to top up the
oil.
Only use engine oil which has been approved
for the engine and which meets the specified
SAE classification ( Y
Checking the coolant level
X
Check the coolant level as stated in the
vehicle's/device's operating instructions.
X
Fill the cooling system if necessary. Only
use coolant that has been approved for the
engine ( Y page 68).
Checking the fuel level
For checking the fuel level on the fuel gauge,
see the vehicle's operating instructions.
Refuel if necessary ( Y
Checking the AdBlue
For checking the AdBlue
®
AdBlue /DEF gauge, see the vehicle's oper-
ating instructions. Refuel if necessary
( Y page 60).

Starting and stopping the engine

Starting the engine
G
WARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Inhaling
these exhaust gases leads to poisoning. There
is a risk of fatal injury. Therefore never leave
the engine running in enclosed spaces with-
out sufficient ventilation.
If the oil pressure in the engine is too low,
!
a warning light lights up on the instrument
panel. The warning buzzer also sounds.
page 65).
page 68).
®
/DEF supply
®
/DEF supply on the
Starting and stopping the engine
The operating safety of the engine is jeop-
ardised. Switch off the engine immediately.
Do not pull away as soon as the engine
!
starts. Let the engine run in neutral for a
short time after starting, until there is suf-
ficient engine oil pressure. Do not drive at
high engine speeds when the engine is
cold.
This will prevent excessive wear and pos-
sible engine failure.
Warm up the engine quickly by driving at
moderate engine speeds. Depending on the
outside temperature, the engine will reach its
operating temperature after approximately
Y
10 to 20 minutes (
You can utilise the full engine power output
once the engine has reached its normal oper-
ating temperature.
The display format for indicator and warning
lights is vehicle-specific/device-specific.
Please also observe the information in the
additional operating instructions. These will
be provided by the vehicle/device manufac-
turer.
X
Start the engine using the key in the ignition
lock or the external engine start/engine
stop button on the engine. Do not depress
the accelerator or clutch pedal while doing
so.
For additional safety, the electronic engine
management system is equipped with a func-
tion that only allows the engine to be started
when the transmission is in neutral (vehicle-
specific/device-specific).
Starting the engine with the key
After starting the engine, let it run at
!
engine idling speed until the oil pressure is
displayed. If no oil pressure is displayed
after approximately 10 seconds, switch off
the engine. Determine the cause. The oper-
ating safety of the engine is jeopardised.
page 97).
39
Z