Useful information
i
This Owner's Manual describes all models
and all standard and optional equipment
available to your vehicle at the time of pub-
lication of the Owner's Manual. Country-
specific deviations are possible. Please
note that your vehicle may not be equipped
with all features described. This also
applies to safety-relevantsystems and
functions.
i
Please read the information on qualified
specialist workshops (Y page 25).
Engine compartment
Bonnet
Active bonnet (pedestrian protection)
Operating principle
i
The active bonnetis only available in cer-
tain countries. It is available for all models,
except for AMG vehicles.
The active bonnet can reduce the risk of injury
to pedestrians in certain accident situations.
Raising the active bonnet increases the clear-
ance to hard components, such as the engine.
If active bonnet : has been triggered, it will
be raised at the back by about50mm.
Lids ; will then no longer rest on housings
=.
You can reset a triggeredactive bonnetyour-
self.
!
Do not try to press down the raised bon-
net at the back. Otherwise, the bonnet
could be damaged.
Even if the active bonnet has been triggered,
you can still continue driving and have it reset
at a qualified specialist workshop. If you pull
the bonnet release lever, you must reset the
bonnet before driving on.
G
WARNING
If you pull the bonnet release lever and then
neglect to reset the bonnet, it will not lock at
the front when closed. The bonnet can then
open when the vehicle is in motion and
obscure your field of vision. If you pull the
bonnet release lever, you must reset the bon-
net before driving on.
Resetting
G
WARNING
There is a risk of injury if the bonnet is open,
even if the engine is not running.
Some engine components can become very
hot.
To avoid the risk of burns, only touch those
components described in the Owner's Manual
and observe the relevant safety notes.
X
Open the bonnet (Y page 321).
Example: Saloon
X
With both hands, lift the bonnet up in the
centre A.The bonnet is open wide enough
when both lids of bonnet lifter ; no longer
move.
320
Engine compartment
Maintenance and care
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