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High-voltage battery Guide: 2023 Mercedes S-CLASS Charging Cable Overview

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2023 Mercedes S-CLASS Charging the high-voltage battery Owner’s Manual

A high-voltage battery system powers the 2023 Mercedes S-Class’s sophisticated features and guarantees peak performance. Comprehending the charging wire of this advanced car is crucial for effective and secure charging procedures. A significant factor in the S-Class’s remarkable power and range, which set it apart in the premium sedan class, is its high-voltage battery. Owners may easily refuel their S-Class at home or at public charging stations with the appropriate charging connection, guaranteeing they always have enough fuel for their travels. This review will go into detail about the Mercedes S-Class 2023 charging cable, emphasizing its characteristics, compatibility, and recommended charging procedures. You can extend the life and efficiency of your high-voltage battery system and improve your overall driving experience with this state-of-the-art car by getting acquainted with the charging cord.

2023 Mercedes Benz S-Class Specs, Price, Features, Mileage (Brochure)

Charging the high-voltage battery (plug-in hybrid)

Electric vehicle charging
Notes on charging the high-voltage battery

NOTE
High-voltage battery damage due to leaving the vehicle idle for lengthy periods of time Lithium-ion batteries experience a natural self-discharge.
Exhaustive discharging can therefore occur if the vehicle is idle for several months. This can damage the high-voltage battery.

  • To avoid damage, please observe the following recommendations when handling the high-voltage battery.

NOTE
Accelerated aging of the high-voltage battery due to not observing the following recommendations

As a result of its basic characteristics, the storage capacity of and the amount of energy available from the high-voltage battery decreases over the course of its life. Due to this, both the maximum electrical range that can be achieved by the vehicle and its maximum electrical output can be impaired.

The following factors could accelerate the aging of the high-voltage battery:

  • A high condition of charge, especially if the vehicle is idle for a lengthy period of time
  • Frequent rapid charging with direct current (mode 4)
  • Leaving the vehicle idle for lengthy periods at high ambient temperatures
  • To avoid accelerated aging, please observe the following recommendations when handling the high-voltage battery.

Recommendations for handling the high-voltage battery:

  • Charge the high-voltage battery with direct current (mode 4) only if necessary.
  • If leaving the vehicle idle for lengthy periods, park up the vehicle with a high-voltage battery state of charge between 25% and 30%. Do not keep the high-voltage battery continuously connected to power supply equipment.
  • If leaving the vehicle idle for lengthy periods of time avoid high ambient temperatures if possible.
  • Check the high-voltage battery’s state of charge every six weeks (/ page 244).
  • Charge the high-voltage battery if the state of charge is below 15%.
  • Do not disconnect the 12 V battery even if the vehicle is left idle for a lengthy period. Otherwise, the condition of the vehicle’s high-voltage battery cannot be monitored.
  • If the high-voltage battery is used only with low states of charge, fully charge the high-voltage battery every six months.

Depending on the equipment, your vehicle will be equipped with one of the following vehicle sockets:

  • Type 1 for AC charging (mode 2/3)
  • Type Combo 1 for AC charging (mode 2/3) and DC charging (mode 4)

2023 Mercedes S-CLASS Charging the high-voltage battery fig-1

Example: Combo 1 vehicle socket

  1. Socket for AC charging
  2. Socket extension for DC charging

When you use a CCS (Combined Charging System) EV charging cable to charge with direct current, both areas of the vehicle socket will be covered by the charging cable connector.

Charging options for the high-voltage battery (mode 2, 3 or 4):

  • Charging through recuperation while the vehicle is in motion
  • AC charging when stationary:
  • Charging options for the high-voltage battery (mode 2, 3 or 4):
  • Charging through recuperation while the vehicle is in motion
  • R AC charging when stationary:
  • R DC charging when stationary:
    • At a rapid charging station (mode 4)
    • Depending on the country-specific vehicle equipment and your vehicle’s charging cable, single-phase AC charging is also possible.
    • Observe the different grid requirements of your current location when charging. Use only charging cables that conform to the grid requirements. Consult a qualified electrician or your local grid operator if you have any questions.

It is recommended that you charge the high-voltage battery at a wall box or charging Gas station due to the improved charging performance and better charging efficiency offered.

System limits
The power output of the high-voltage battery may be impaired by the following:

  • High or low outside temperatures
  • Electrical auxiliary consumers in the vehicle being switched on, e.g. the air conditioning system is operated
  • Extended periods without charging

The charging time of the high-voltage battery may be increased by the following:

  • High or low outside temperatures
  • Extended periods without charging
  • The maximum available charge current of the charging facility

Stowing the charging cable

Always stow the vehicle’s charging cable in the charging cable bag provided in the trunk.

  • Place the charging cable bag on the trunk floor. Otherwise, the charging cable bag with the charging cable is not sufficiently secured.

Notes on charging the high-voltage battery at the mains socket (mode 2)

DANGER
Risk of fatal injury from incorrectly installed component parts
Connecting the charging cable to a mains socket using incorrectly installed component parts could cause a fire or an electric shock, for example.

Only connect the charging cable to a mains socket that:

  • Has been properly installed and
  • Has been inspected by a qualified electrician# For safety reasons, only use the charging cable supplied with the vehicle or an original Mercedes‑Benz charging cable.
  • Purchase these parts at an authorized Mercedes-Benz Center and obtain advice there.
  • Mercedes-Benz thoroughly tests these original charging cables for their suitability for high-voltage charging of your vehicle.
  • Never use a damaged charging cable.
  • Do not use:
  • Extension cables
  •  Extension reels
  • Multiple sockets
  • Never use socket adapters to connect the charging cable to the main socket. The only exception is if the adapter has been tested and approved by the manufacturer for charging the high-voltage battery of an electric vehicle.
  • Observe the safety notes in the operating instructions for the socket adapter.

Only the following charging cables may be used:

  • The charging cable is supplied with the vehicle.
  • A charging cable has been approved for the vehicle.

The charging process can vary depending on the power supply equipment. The charging times when charging the high-voltage battery at the mains socket are considerably longer than when charging at a wall box or charging station. When doing so, always observe the local information. Do not leave the charging cable controls hanging loose from a mains socket.

Do not lift the controls by the following component parts:

  • The charging cable connector
  • The mains plug
    When charging, protect the charging cable control element from excessive heat such as direct sunlight. Otherwise, the charging process may be cancelled.

Notes on charging the high-voltage battery at a wall box or charging station (mode 3)

DANGER
Risk of fatal injury from incorrectly installed component parts

Connecting the charging cable to the vehicle using incorrectly installed components could cause a fire or an electric shock, for example.
Mercedes-Benz S-CLASS SEDAN 2023 Stowing Charging Cable User Manual

  • The wall box has been properly installed
  • The wall box has been inspected by a qualified electrician
  • The charging cable is not damaged
  • Do not extend the charging cable.
  • Do not use adapters.
  • Observe the safety notes in the operating instructions for the wallbox.

DANGER
Risk of fatal injuries due to damaged components

If you use a damaged component to connect the vehicle to the charging station, this can result in fire or an electric shock, for example.

  • Perform a visual inspection of the charging station for obvious defects, e.g. damage to the housing or on the charging cable connection.
  • At charging stations without a pre-installed cable, for safety reasons, only use charging cables that have been tested and approved by the manufacturer for charging the high-voltage battery in an electric vehicle.
  • Do not use a damaged charging cable. # Do not use an extension for the charging cable.
  • Do not use an adapter.
  • Always observe the safety information on the charging station.

Most charging stations must be activated before the charging process, e.g. using an RFID card. Observe the on-site operator’s instructions for the charging station.
The amount of energy dispensed for the charging process, shown by the charging station, may be higher than the amount of energy actually absorbed by the high-voltage battery. This is the result of different levels of charging losses and is described as recharge efficiency. Charging losses occur, for example, due to heat that builds up when the vehicle is charging or from auxiliary consumers that are switched on. Further information on recharge efficiency can be obtained at a qualified specialist workshop.

Notes on charging the high-voltage battery at a rapid charging station (mode 4)

DANGER
Risk of fatal injuries due to damaged components

If you use a damaged component to connect the vehicle to the charging station, this can result in fire or an electric shock, for example.

  • Perform a visual inspection of the charging station for obvious defects, e.g. damage to the housing or on the charging cable connection.
  • At charging stations without a pre-installed cable, for safety reasons, only use charging cables that have been tested and approved by the manufacturer for charging the high-voltage battery in an electric vehicle.
  • Do not use a damaged charging cable.
  • Do not use an extension for the charging cable.
  • Do not use an adapter.
  • Always observe the safety information on the charging station.

DANGER
Risk of fatal injuries when carrying out maintenance work during the charging process
During the charging process, the high-voltage onboard electrical system is under high voltage.

  • Do not perform any maintenance work during the charging process.

Most charging stations must be activated before the charging process, e.g. using an RFID card. Observe the on-site operator’s instructions for the charging station.
The amount of energy dispensed for the charging process, shown by the charging station, may be higher than the amount of energy actually absorbed by the high-voltage battery. This is the result of different levels of charging losses and is described as recharge efficiency. Charging losses occur, for example, due to heat that builds up when the vehicle is charging or from auxiliary consumers that are switched on. Further information on recharge efficiency can be obtained at a qualified specialist workshop.

Setting the maximum permissible charging current for charging at a mains socket

NOTE
Overloading the mains socket due to excessive charging current

  • If the charging current is too high, the fuse could be tripped or the external mains supply could overheat.
  • Ensure that the external mains supply has been designed to handle the charging current provided.
  • For safety reasons, only use the charging cable supplied with the vehicle or an original Mercedes-Benz charging cable. Mercedes-Benz thoroughly tests these original charging cables for their suitability for high-voltage charging of your vehicle.
  • Purchase these parts at a Mercedes-Benz service center and obtain advice there.
  • Check the maximum charging current using the charging capacity shown on the driver’s display.

The charging cable supplied is set to a country-specific maximum charging current value. When charging abroad, the maximum value may exceed the permitted value for that country.

  • Before charging at a mains socket, have the maximum permissible charging current for the relevant mains socket or the building installation checked by a qualified electrician.
  • When charging abroad, observe the country-specific laws.

If you have questions concerning the charging current or if there is a malfunction, please contact a qualified specialist workshop.

 Overview of the charging cable operating unit 2023 S-CLASS User Manual

The charging cable operating unit shows the current status of the charging process.

2023 Mercedes S-CLASS Charging the high-voltage battery fig-5

  1. Supply voltage indicator
  2. Charging process indicator
  3. Temperature monitor indicator
  4. Safety system indicator

Supply voltage indicator 1

Display                    Meaning
Lights up white The supply voltage is connected.

Charging process indicator 2

Display                    Meaning
Flashes green The high-voltage battery is charging.

Temperature monitor indicator 3

Display Meaning
Lights up red The green LED flashes simultaneously: over-temperature – the charging performance is reduced.

The green LED does not flash: over temper- ature – the charging process is stopped.

Flashes red Overtemperature at the mains plug – the charging process is stopped.


Safety system indicator 4

Display Meaning
Flashes red Charging cable malfunction – cannot carry out the charging process, reset the charging cable operating unit.
Lights up red White LED is off: power supply malfunction – cannot carry out the charging process, replace the mains socket.

White LED is on: vehicle malfunction – can- not carry out the charging process, reset the charging cable operating unit.

When all four displays light up, the charging cable operating unit performs a self-test.

If temperature monitors 3 indicates a malfunction, it may help to protect the charging cable from direct sunlight.
To reset the charging cable operating unit: if safety system 4 indicates a charging cable malfunction or a vehicle malfunction, first reset the charging cable operating unit. To do this, disconnect the charging cable from the vehicle and from the main socket and wait for approximately five seconds. If the malfunction persists after the charging cable is reconnected, charging at the main socket is not possible. The charging cable must be replaced or the vehicle plug must be checked at a qualified specialist workshop, depending on the indicator.

Functions of the indicator lamps on the vehicle socket

The socket flap is centrally locked and unlocked together with the vehicle.2023 Mercedes S-CLASS Charging the high-voltage battery fig-2

Example: Combo 1 vehicle socket

  1. Socket lamp
  2. Charging process indicator lamp
  3. Locking status indicator lamp
    The upper arch of socket lamp 1 is used for the lighting and flashes or lights up as with indicator lamp 3. The lower arch is used for the status display and flashes or lights up as with indicator lamp 2.

Overview of the locking status

Locking status 3 Display Meaning
2023 Mercedes S-CLASS Charging the high-voltage battery fig-3 Lights up white Vehicle socket unlocked; insert or remove charging cable
2023 Mercedes S-CLASS Charging the high-voltage battery fig-3 Flashes white Malfunction during locking or unlocking


Overview of the charging process status

Status of the   Display          Meaning charging

process 2

2023 Mercedes S-CLASS Charging the high-voltage battery fig-4 Flashes orange Connection is being established
2023 Mercedes S-CLASS Charging the high-voltage battery fig-4 Flashes green Active energy flow
2023 Mercedes S-CLASS Charging the high-voltage battery fig-4 Lights up orange Interruption in charging
2023 Mercedes S-CLASS Charging the high-voltage battery fig-4 Lights up green Charging process completed
2023 Mercedes S-CLASS Charging the high-voltage battery fig-4 Flashes red (for approx. 90 s) Vehicle malfunction; charging is not possible

 

FAQ’s

What type of high-voltage battery does the 2023 Mercedes S-Class use?

The 2023 Mercedes S-Class typically uses a high-voltage lithium-ion battery pack, which provides power to the vehicle’s electric drivetrain and auxiliary systems.

What is the capacity of the high-voltage battery in the 2023 Mercedes S-Class?

The capacity of the high-voltage battery in the 2023 Mercedes S-Class can vary depending on the specific model and configuration. It is typically measured in kilowatt-hours (kWh).

How is the high-voltage battery in the 2023 Mercedes S-Class charged?

The high-voltage battery in the 2023 Mercedes S-Class can be charged using either a dedicated charging station or a conventional household power outlet, depending on the charging capabilities of the vehicle.

Does the 2023 Mercedes S-Class come with a charging cable for the high-voltage battery?

Yes, the 2023 Mercedes S-Class usually comes with a charging cable for connecting the vehicle to a charging station or power outlet. However, the type of cable may vary depending on the charging infrastructure available.

What type of charging connector does the 2023 Mercedes S-Class use for the high-voltage battery?

The 2023 Mercedes S-Class typically uses a Type 2 or CCS (Combined Charging System) connector for AC (alternating current) charging and DC (direct current) fast charging, depending on the charging capabilities of the vehicle.

Is the charging cable for the high-voltage battery of the 2023 Mercedes S-Class compatible with fast charging stations?

Yes, depending on the vehicle’s configuration, the charging cable for the high-voltage battery in the 2023 Mercedes S-Class may be compatible with fast charging stations that support DC fast charging.

What is the length of the charging cable for the high-voltage battery in the 2023 Mercedes S-Class?

The length of the charging cable for the high-voltage battery in the 2023 Mercedes S-Class may vary, but it is typically designed to provide sufficient reach for convenient charging at home or on the go.

Can the charging cable for the high-voltage battery of the 2023 Mercedes S-Class be stored in the vehicle?

Yes, the 2023 Mercedes S-Class usually comes with a designated storage compartment or bag for storing the charging cable when not in use, ensuring it remains organized and easily accessible.

Does the 2023 Mercedes S-Class support wireless charging for the high-voltage battery?

Depending on the model and options selected, the 2023 Mercedes S-Class may offer wireless charging capabilities for the high-voltage battery, allowing for convenient charging without the need for cables.

What is the charging time for the high-voltage battery of the 2023 Mercedes S-Class?

The charging time for the high-voltage battery of the 2023 Mercedes S-Class can vary depending on the charging method used, the battery capacity, and the charging infrastructure available. It typically ranges from several hours for standard AC charging to significantly less time for DC fast charging.

Does the 2023 Mercedes S-Class come with any charging-related features or technologies to optimize charging efficiency?

Yes, depending on the model and options selected, the 2023 Mercedes S-Class may offer features such as scheduled charging, charging status monitoring via a mobile app, and energy management systems to optimize charging efficiency and battery health.

View Full User Guide: Mercedes-Benz S-CLASS SEDAN 2023 User Manual

2023 Mercedes Benz S-Class Specs, Price, Features, Mileage (Brochure)

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