Mercedes-Benz S-CLASS SEDAN 2023 Diagnostics Connection User Manual
The diagnostics connection is a technical interface in the vehicle. It is used, for example, during repair and maintenance work or for reading out vehicle data in a specialist workshop. Diagnostic devices should therefore only be connected in a qualified specialist workshop.
WARNING
Risk of accident due to connecting devices to the diagnostics connection
If you connect devices to the diagnostics connection of the vehicle, the function of vehicle systems and operating safety may be impaired.
- For safety reasons, we recommend that you use and connect only products approved by an authorized Mercedes-Benz Service Center.
WARNING
Risk of accident due to objects in the driver’s footwell.
Objects in the driver’s footwell may impede pedal travel or block a depressed pedal.
This jeopardizes the operating and road safety of the vehicle:
- Stow all objects in the vehicle securely so that they cannot get into the driver’s footwell.
- Always install the floor mats securely and as prescribed in order to ensure that there is always sufficient room for the pedals.
- Do not use loose floor mats and do not place floor mats on top of one another.
NOTE
Battery discharging from using devices connected to the diagnostics connection
Using devices at the diagnostics connection drains the battery.
- Check the charge level of the battery.
- If the charge level is low, charge the battery, e.g. by driving a considerable distance.
Please also note the information about the 12 V battery and short-distance trips in the “Driving and Parking” chapter (/ page 207).
Connecting and using another device with the diagnostics connection can have the following effects:
- Malfunctions in the vehicle system
- Permanent damage to vehicle components
Please refer to the warranty terms and conditions for this matter.
Moreover, connecting equipment to the diagnostics connection can lead to emissions monitoring information being reset, for example. This may lead to the vehicle failing to meet the requirements of the next emissions inspection during the main inspection.
Qualified Specialist Workshop
An authorized Mercedes-Benz Service Center is a qualified specialist workshop. It has the necessary special skills, tools and qualifications to correctly carry out the work required on your vehicle. This particularly applies to safety-relevant work.
Always have the following work carried out on your vehicle at a qualified specialist workshop:
- Safety-relevant work
- Service and maintenance work
- Repair work
- Modifications as well as installations and conversions
- Work on electronic components
- Plug-in hybrid: work on the hybrid system
- Vehicles with 48 V on-board electrical system:
- Work on the high-voltage component of the 48V on-board electrical system
Mercedes‑Benz recommends a Mercedes‑Benz Service Center.
Correct Use of the Vehicle
If you remove any warning stickers, you or others could fail to recognize certain dangers. Leave warning stickers in position.
Observe the following information in particular when driving your vehicle:
- The safety notes in this Operator’s Manual, vehicle-specific supplements, and further supplementary documents
- Technical data for the vehicle R traffic rules and regulations
- laws and safety standards pertaining to motor vehicles
Notes for Persons with Electronic Medical Aids
Mercedes-Benz AG cannot, despite carefully developing vehicle systems, completely rule out the interaction of vehicle systems with electronic medical aids such as cardiac pacemakers. In addition, there are components installed in the vehicle that, regardless of the operating status of the vehicle, can generate magnetic fields on par with permanent magnets. These fields can be found, for example, in the area around the multi-media and sound system or also in the area of the seats, depending on the vehicle equipment.
For this reason, the following can occur in isolated cases, depending on the aids used:
- Medical aids malfunctioning
- Adverse health effects
Observe the notes and warnings of the manufacturer of the medical aids; if in doubt, contact the device manufacturer and/or your doctor. If there is continuing uncertainty concerning the possibility of medical aids malfunctioning, Mercedes-Benz AG recommends using only few electrical vehicle systems and/or maintaining a distance from the components.
Plug-in Hybrid
When charging the high-voltage battery, keep a distance of at least an arm’s length between the medical aid and the following components:
- The power supply equipment
This includes charging stations in the form of a wall box or a public charging point, for example.
- Vehicle components carrying live voltage
This includes the charging cable and the charging control box, for example.
Only have repairs and maintenance work in the area of the following components carried out at a qualified specialist workshop:
- Vehicle components carrying live voltage
- Transmission antenna
- Multimedia system and sound system
If you have any queries or suggestions, consult a qualified specialist workshop.
Problems with Your Vehicle
If you should experience a problem with your vehicle, particularly one that you believe may affect its safe operation, we urge you to contact an authorized Mercedes-Benz Center immediately to have the problem diagnosed and rectified. If the problem is not resolved to your satisfaction, please discuss the problem again with an authorized Mercedes-Benz Center or, if necessary, contact us at one of the following addresses:
In the USA:
Mercedes-Benz USA, LLC
Customer Assistance Center
One Mercedes-Benz Drive
Sandy Springs, GA 30328
In Canada:
Mercedes-Benz Canada, Inc.
Customer Relations Department
98 Vander hoof Avenue
Toronto, Ontario M4G 4C9
Reporting Safety Defects
USA only:
The following text is published as required of manufacturers under Title 49, Code of U.S. Federal Regulations, Part 575 pursuant to the “National Traffic and Motor Vehicle Safety Act of 1966”. If you believe that your vehicle has a defect that could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) in addition to notifying Mercedes-Benz USA, LLC.
If NHTSA receives similar complaints, it may open an investigation, and if it finds that a safety defect exists in a group of vehicles, it may order a recall and remedy campaign. However, NHTSA cannot become involved in individual problems between you, your dealer, or Mercedes-Benz USA, LLC.
To contact NHTSA, you may call the Vehicle Safety Hotline toll-free at 1-888-327-4236 (TTY: 1-800-424-9153) ; go to https://www.safe-rcar.gov; or write to: Administrator, NHTSA, 400 Seventh Street, SW., Washington, DC 20590, USA. You can also obtain other information about motor vehicle safety from https://www.safercar.gov.
Canada only:
The following text is published as required of manufacturers under subsection 18.4 (4) of the Motor Vehicle Safety Regulations.
If you believe that your vehicle has a defect that could cause a crash or could cause injury or death, you should immediately inform Transport Canada in addition to notifying
Mercedes-Benz Canada Inc.
If Transport Canada received similar complaints, it may open an investigation, and if it finds that a safety defect exists in a group of vehicles, it may order a recall and remedy campaign. However, Transport Canada cannot become involved in individual problems between you, your dealer, or Mercedes-Benz Canada Inc.
To contact Transport Canada, you may call the Defect Investigations and Recalls Division toll-free in Canada at 1-800-333-0510 or 819-994-3328 in the Gatineau-Ottawa area or internationally; may also go to the following websites for more information:
- English: https://www.tc.gc.ca/recalls R French: https://www.tc.gc.ca/rappels
Limited Warranty
NOTE
Damage to the vehicle arising from the violation of these operating instructions.
Damage to the vehicle can arise from a violation of these operating instructions.
This damage is not covered either by the Mercedes-Benz implied warranty or by the New‑ or Used-Vehicle Warranty.
- Follow the instructions in these operating instructions on the proper operation of your vehicle as well as on possible vehicle damage.
QR Code for Rescue Card
QR codes are attached to the fuel filler flap and on the opposite side on the B-pillar. In the event of an accident, rescue services can use the QR code to quickly find the appropriate rescue card for your vehicle. The current rescue card contains the most important information about your vehicle (e.g. the routing of the electric lines) in compact form.
Further information can be obtained at https://www.mercedes-benz.de/qr-code
Mercedes-Benz 2023 Top Accessories
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Reference Links
View Full User Guide: Mercedes-Benz S-CLASS SEDAN 2023 User Manual
Download Manuals: https://www.mbusa.com/en/owners/manuals
