Date of printing:

08/10/2020

Interactive Owner's Manual [In depth | Introduction | Operating safety]

Owner's Manual version: ÄJ 2014-Ra

Note: The online Owner's Manual is the latest version available. Deviations between this manual and items specific to your vehicle may occur since Mercedes-Benz constantly adapts its vehicles to the latest technology and modifies design and equipment. Please note that this online Owner's Manual does not under any circumstances replace the printed Owner's Manual which is supplied with the vehicle.

Operating safety

Important safety notes

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WARNING

All work on the vehicle and, in particular, work relevant to safety or on safety-related systems must be carried out at a specialist workshop that is qualified to work on smart electric drive vehicles. The specialist workshop must have the necessary specialist knowledge and tools to carry out the work required. smart recommends a smart Centre for this purpose.

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WARNING

Some safety systems only function when the ignition is switched on. Therefore, do not switch off the engine when driving. Otherwise, the safety systems of your vehicle may not function correctly and as a result will no longer protect you and other persons as intended. There is also a risk of losing control of your vehicle and causing an accident.

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WARNING

If you drive over obstacles at high speed or if the vehicle bottoms out in rough terrain, this could cause heavy impacts to the vehicle underbody, tyres or wheels. Your vehicle may thereby be damaged and as a result you could cause an accident.

Therefore, drive over obstacles slowly. Avoid the vehicle bottoming out off-road and, if necessary, have your vehicle checked at a specialist workshop.

Vehicles with an electric motor generate much less driving noise than vehicles with internal combustion engines. As a result, your vehicle may not be heard by other road users in certain situations. This can happen, for example, when you are parking and your vehicle is not seen by other road users.

This requires you to adopt a particularly anticipatory driving style, as it is necessary to allow for the possibility that other road users may behave erratically.

On vehicles equipped with "Acoustic Vehicle Indication", a sound generator produces a noise more. The vehicle can be heard better as a result.

Diagnostics connection

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WARNING

If you connect equipment to a diagnostics connection, it can affect the operation of the vehicle systems. This could compromise the operating safety of your vehicle while driving. There is a risk of an accident.

Do not connect any equipment to a diagnostics connection.

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WARNING

Loose equipment or cables hanging from a device which are connected to a diagnostic connection could impede pedal clearance. The equipment or cables could get caught between the pedals when driving and braking suddenly. This could impair the function of the pedals. There is a risk of accident.

Do not attach any equipment or cables in the driver's footwell.

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If the engine is switched off and equipment on the diagnostics connection is used, the starter battery may discharge.

The diagnostics connection is only intended for the connection of diagnostic equipment at a qualified specialist workshop.

Qualified specialist workshop

A qualified specialist workshop has the special knowledge, tools and qualifications necessary for smart electric drive. These ensure that the necessary work on your vehicle is carried out correctly. This particularly applies to work relevant to safety.

Please observe the notes in the Service Booklet.

smart recommends that you use a smart Centre that is qualified to deal with smart electric drive.

Always have the following work on your vehicle carried out at a qualified specialist workshop:

  • work relevant to safety

  • service and maintenance work

  • repair work

  • alterations, installation work and modifications

  • work on electronic components

Modifications to the vehicle

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WARNING

Work carried out incorrectly, or alterations made to the vehicle, e.g. re-routing of cables under coverings, could cause the safety systems of your vehicle to stop working properly. The safety systems would thus no longer protect you and other persons as intended. In addition, there is a risk that you may lose control of your vehicle and thus cause an accident.

Therefore, always have work on and alterations to the vehicle, e.g. installations or modifications, carried out at a specialist workshop that is qualified to work on smart electric drive vehicles.

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WARNING

Work carried out incorrectly, or alterations made to the vehicle could cause systems on your vehicle to stop working properly. As a result, there is a risk that you may lose control of your vehicle and thus cause an accident.

Therefore, always have work on the drive system and alterations to the vehicle, e.g. installations or modifications, carried out at a specialist workshop that is qualified to work on smart electric drive vehicles.

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WARNING

If work on electronic equipment and its software is carried out incorrectly, this equipment could stop working. The electronic systems are networked via interfaces. Tampering with these electronic systems could cause malfunctions in systems which have not been modified. Malfunctions such as these can seriously jeopardise the vehicle's operating safety and therefore your own safety.

Therefore, always have work on and alterations to electronic components carried out at a specialist workshop that is qualified to work on smart electric drive vehicles.

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It is not permitted to retrofit a trailer coupling.

High-voltage electrical system

Danger of electric shock

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DANGER

The vehicle's high voltage electrical system is under high voltage. If you modify components in the vehicle's high-voltage electrical system or touch damaged components, you may be electrocuted. The components in the vehicle's high-voltage electrical system may be damaged in an accident, although the damage is not visible. There is a risk of fatal injury.

Do not touch any high-voltage components after an accident and never modify the vehicle's high-voltage electrical system. Have the vehicle towed away after an accident and the vehicle's high-voltage electrical system checked by a qualified specialist workshop.

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All of the vehicle's high-voltage electrical system components are marked with yellow warning stickers which warn you of the dangers of high voltages. The cables of the vehicle's high-voltage electrical system are orange in colour.

When performing general work on the vehicle, such as replacing bulbs or checking the coolant level, make sure that:

  • the ignition is switched off

  • the charging cable for charging the high-voltage battery is disconnected

Automatically switching off the vehicle's high-voltage electrical system

The vehicle's high-voltage electrical system is switched off automatically if:

  • the restraint systems are activated in the event of an accident.

  • an electrical short circuit is detected in the vehicle's high-voltage electrical system.

  • an electrical connection in the vehicle's high-voltage electrical system is disconnected.

This is to ensure that you do not come into contact with high voltage.

High-voltage battery

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WARNING

In the event of a vehicle fire, the internal pressure of the high-voltage battery could exceed a critical value. In this case, flammable gas escapes through a vent valve in the vehicle's underbody. The gas can ignite. There is a risk of injury.

Leave the danger area immediately. Secure the danger area at a suitable distance, whilst observing legal requirements.

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WARNING

If the housing of the high-voltage battery has been damaged, electrolyte and gases may leak out. These are poisonous and caustic. There is a risk of injury.

Avoid contact with the skin, eyes or clothing. Immediately rinse electrolyte splashes off with water and seek medical attention straight away.

High-voltage disconnect device

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Your vehicle is equipped with a high-voltage disconnect device mbsymb6_inv_003a.png which can be used to switch off the vehicle's high-voltage electrical system.

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The vehicle's high-voltage electrical system must only be switched off when the vehicle is stationary by specially trained technicians. The vehicle's high-voltage electrical system may otherwise be damaged.

Correct use

Observe the following information when using the vehicle:

  • all safety information contained in these operating instructions

  • the "Technical data" section in this Owner's Manual

  • national road traffic regulations

  • national road traffic licensing regulations

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WARNING

Various warning stickers are affixed to your vehicle. Their purpose is to draw your attention, and the attention of others, to various dangers. Therefore, do not remove any warning stickers unless the sticker clearly states that you may do so.

If you remove the warning stickers, you or others could be injured by failing to recognise certain dangers.

Notes

Date of printing:

08/10/2020

Interactive Owner's Manual [In depth | Introduction | Operating safety]

Owner's Manual version: ÄJ 2014-Ra

Note: The online Owner's Manual is the latest version available. Deviations between this manual and items specific to your vehicle may occur since Mercedes-Benz constantly adapts its vehicles to the latest technology and modifies design and equipment. Please note that this online Owner's Manual does not under any circumstances replace the printed Owner's Manual which is supplied with the vehicle.