cle, start the engine, switch on the igni-
tion or opera
te electrical equipment
such as the electric windows.
NOTICE
Incorrect vehicle handling can increase
c
omponent wear (e.g. on the engine or
starter) or lead to damage.
·
Avoid restarting the engine while the ve-
hicle is in motion or directly aer switch-
ing o the engine.
·
When the engine is cold, avoid high en-
gine speeds, driving at full throttle and
overloading the engine.
·
Please note that the density of air de-
creases with increasing altitude and this
may make it more dicult to start the
engine.
NOTICE
Unburnt fuel can damage the catalytic con-
verter.
·
Do not tow or push the vehicle to start it.
NOTICE
Vehicles with ignition lock: Inc
orrect vehicle
handling can increase component wear,
e.g. on the starter, or lead to damage.
·
Never use the starter with a gear selec-
ted for driving or tow-starting if the en-
gine does not start, e.g. when the fuel
tank is empty.
·
Refill fuel if necessary → page 294 or ob-
tain jump starting assistance
→ page 319.
·
If the engine does not start, seek expert
assistance.
Do not warm up the engine by running
it while the vehicle is stationary. In-
stead, pull o as soon as there is good visi-
bility through the windows. This helps the
engine reach operating temperature faster
and reduces emissions.
Components with a high power con-
sumption are switched o temporarily
when the engine is started.
When starting from cold, the engine
may be a little noisy for the first few
seconds. This is quite normal, and no cause
for c
oncern.
At outside temperatures of less than
+5°C (+41°F), fumes may be detec-
ted under a vehicle with a diesel engine if
the fuel-powered supplementary heater is
switched on.
Troubleshooting
Fault in engine management sys-
t
em
The warning lamp lights up red.
There is a fault in the engine management
system.
The vehicle’s drive power may be limited or
lost entirely.
It may not be possible to continue your trip,
or only to a limited extent.
1. Park the vehicle safely.
2.
Do not drive on!
3.
Observe the text on the instrument
cluster.
4. Seek expert assistance and have the
engine management system checked.
Fault in the engine management
s
ystem
The indicator lamp lights up yellow.
T
he drive power of the vehicle may be limi-
ted.
1. The text message Error: drive system.
Please visit workshop. is displayed in
the instrument cluster.
2. Have the engine checked immediately
by a suitably qualified workshop.
Engine management system fault
The indicator lamp lights up yellow.
T
he drive power has been limited to pre-
vent the engine management system com-
ponents from overheating.
— The text message Error: drive system.
Performance is restricted. is displayed
on the instrument cluster.
Starting the engine 147
2KF012720AE
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