Useful information
This Operator's Manual describes all models as
well as standard and optional equipment of your
vehicle that were available at the time of going
to print.Country-specific variation sare possi-
ble. Note that your vehicle may not be equipped
with all of the described functions. This also
applies to system sand function srelevantt o
safety.
Read the information on qualified specialist
workshops (
Ypage 29).
Engine compartment
Hood
Important safetyn otes
GWARNING
If the hood is unlatched, it may open up when the vehicle is in motion and block your view.
There is arisk of an accident.
Never unlatc hthe hood while driving. Before
every trip, ensure that the hood is locked.
GWARNING
Openin gthe hood when the engin eisover-
heated or when ther eisafire in the engine
compartmen tcould expose you to hot gases
or other servicep roducts. There isarisk of
injury.
Let an overheated engin ecool down before
openin gthe hood. If ther eisafire in the
engin ecompartment, keep the hood closed
and contact the fire department.
GWARNING
The engin ecompartmen tcontains moving
components. Certain components, such as
the radiator fan, may continue to run or start
again suddenly when the ignition is off. There is ar isk of injury.
If you need to do any work inside the engine
compartment:
Rswitc hoff the ignition
Rneve rreach int othe area where ther eisa
risk of danger from movingc omponents,
such as the fan rotation area
Rremovej ewelry and watches
Rkeep items of clothing and hair, for exam-
ple, away from movingp arts
GWARNING
The ignition system operate swithahigh volt-
age. If you touc hthe live components, you
could receiv eanelectric shock.T here is an
increased risk of injury.
Never touc hcomponents of the ignition sys-
tem if:
Rthe engin eisrunning or being started
Rthe key is in radio position or drive position
in the ignition lock
The live components of the ignition system are,
for example:
Rignition coils
Rspark plug connectors
Rdiagnostic sockets
GWARNING
Certain components in the engin ecompart-
ment ,such as the engine, radiator and parts
of the exhaust system ,can becomev ery hot.
Working in the engin ecompartmen tposes a
risk of injury.
Where possible, let the engin ecool down and
touc honly the components described in the
following.
If you have to carry out work in the engin ecom-
partment ,only touc hthe following components:
RHood
ROil dipstick
REngine oil filler nec kcap
RWasher fluid reservoir cap
RCoolant expansion tan kcap
240Engine compartment
Maintenance and care
or other service products. There isarisk of
injury.
Let an overheated engine cool down before
opening the hood. If there is afire in the
engine compartment, keep the hood closed
and contact the fire department.
GWARNING
Certain components in the engine compart-
ment,s uch as the engine, radiator and parts
of the exhaust system, can become very hot.
Working in the engine compartment poses a
risk of injury.
Where possible, let the engine cool down and touch only the components described in the
following.
!Do not use your hands to push the hood
down. You could damage it otherwise.
XHold support strut ?and lift the hood
slightly.
XGuide support strut ?towards retainer =
and apply slight pressure to make it engage.
XLower the hood and allow it to fall with
momentum from aheight of approximately
1ft( 30 cm).
The hood locks audibly.
XCheck that the hood is correctly locked.
If the hood can be raised slightly, it is not
properly engaged. If the hood is not correctly
engaged, open the hood again. Let the hood
fall with alittle more momentum.
Overview of the engine compartment
Engin ecompartment (example)
:
Engin eoil filler neck cap (Ypage 242)
;Brake fluid reservoir cap (Ypage 245)
=Coolant expansion tank cap (Ypage 244)
?Washer fluid reservoir cap (Ypage 246)
Regularly check the fluid level and the assembly
for leaks. If you detect fluid loss, e.g. oil flecks on the vehicle parking space, consult aqualified
specialist workshop immediately.
Engine oil
General notes
!Engin eoil gets dirty in the course of opera-
tion and its quality and volume are gradually
diminished. Regularly check the oil level, and top up or have it replaced as needed.
Observe the information on approved engine
oils and oil consumption under "Service prod-
ucts and capacities" (
Ypage 298).
You can check the oil level in the engine:
Rwith the oil dipstick
Checking the oil level using the oil dip-
stick
GWARNING
Opening the hood when the engine is over-
heated or when there is afire in the engine
compartment could expose you to hot gases
or other service products. There is arisk of
injury.
Let an overheated engine cool down before
opening the hood. If there is afire in the
242Engine compartment
Maintenance and care