Operating Safety - Mercedes-Benz S-Class Saloon W223 2021 Owner's Manual

24 General notes
operating, make sure to press on the symbol of
the control element.

Operating safety

* NOTE Plug-in hybrid
Observe the notes in the Supplement.
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You could otherwise fail to recognise
dangers.
& WARNING Risk of injury due to malfunc-
tions or system failure
In order to avoid malfunctions or system fail-
ures:
Always have the specified service/main-
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tenance work as well as any necessary
repairs carried out at a qualified special-
ist workshop.
& WARNING Risk of accident or injury due
to improper modifications to electronic
components
Modifications to electronic components, their
software or wiring can impair their functional-
ity and/or the functionality of other networked
components or safety-relevant systems.
This can endanger the vehicle's operating
safety.
You must not tamper with wiring, elec-
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tronic components, or their software.
Always have work on electrical and elec-
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tronic devices carried out at a qualified
specialist workshop.
If you modify the on-board electronics, the gen-
eral operating permit is rendered invalid.
Observe the "On-board electronics" section in
"Technical data".
P223 0288 02
& WARNING Risk of fire due to flammable
materials on hot parts of the exhaust sys-
tem
Flammable material such as leaves, grass or
twigs may ignite if they come into contact with
hot parts of the exhaust system.
When driving on unpaved roads or off-
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road, regularly check the vehicle under-
side.
Remove trapped plants or other flamma-
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ble material, in particular.
If there is damage, consult a qualified
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specialist workshop immediately.