Mercedes-Benz E-Class Coupe 2022 Operator's Manual page 274

272 Maintenance and care 272
When the engine is o en le idling for long
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periods
Operation in particularly dusty conditions
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and/or if air-recirculation mode is frequently
used
In these or similar operating conditions, have the
interior air lter, air lter, engine oil and oil lter,
for example, changed more frequently. The tires
must be checked more frequently if the vehicle is
operated under increased loads. Further informa-
tion can be obtained at a quali ed specialist work-
shop.
Batter ery disconnection per Batt y disconnection periods iods
The ASSYST PLUS service interval display can cal-
culate the service due date only when the battery
is connected.
Display and note down the service due date
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on the instrument display before disconnect-
ing the battery ( page 271).
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Engine compar Engine com partment tment
Opening and closing the hood Opening and closing t he hood
& W W ARNING
ARNING Risk of accident due to driving
with the hood unlocked
The hood may open and block your view.
Never release the hood when driving.
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Before every trip, ensure that the hood is
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locked.
& W W ARNING
ARNING Risk of accident and injury
when opening and closing the hood
The hood may suddenly drop into the end
position.
There is a risk of injury for anyone in the
hood's range of movement.
Do not open or close the hood if there is
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a person in the hood's range of move-
ment.
& W W ARNING
ARNING Risk of burns when opening the
hood
If you open the hood in the event of an over-
heated engine or re in the engine compart-
ment, the following situations may occur:
You may come into contact with hot gases.
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You may come into contact with other
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escaping hot operating uids.
Before opening the hood, allow the
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engine to cool down.
In the event of a re in the engine com-
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partment, keep the hood closed and call
the re service.
& W W ARNING
ARNING Risk of injury due to moving
parts
Components in the engine compartment may
continue to run or start unexpectedly even
when the drive system is switched o .
Observe the following if you must open the
hood: