On-board electrical system/power supply
18
Electrical system
Introduction of smart fortwo electric drive (3rd Generation) • Model Series 451
a DANGER
Due to the high-voltage technology, electrical
lines and components which operate under high
voltage are used in the vehicle. Accordingly,
work on the vehicle may only be performed by
specially trained mechanics.
Special care must be taken at all areas of the
vehicle which are linked to the high-voltage
system e.g. parts in the engine compartment.
Orange-coloured lines and their connectors
conduct high-voltage and may not be damaged.
You could be seriously or fatally injured if you
• Remove covers from components which are
identified with a warning sticker
• Tamper with components of the high-voltage
on-board electrical system
• Open housings
• Disconnect connectors
• Touch components or orange-coloured lines
of the high-voltage on-board electrical
system on a vehicle involved in an accident
• Touch damaged orange-coloured lines or
their damaged connectors
• Touch damaged components of the high-
voltage on-board electrical system.
Do not remove covers for components of the drive
system which are marked with a warning sticker.
Do not tamper with components or orange-
coloured high-voltage cables of the drive system.
When performing general work, e.g. changing
bulbs or checking the coolant level, ensure that
• The ignition is switched off
• The charging cable for charging the high-
voltage battery is not connected.
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