2023 Mercedes-Benz EQS 450 Technical Service Bulletins

269 technical service bulletins (TSBs) are on record for the 2023 Mercedes-Benz EQS 450. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10235671Apr 4, 2023Seats. Complaint Play/noise at seat height adjuster or in seat guide rail on front seats Cause Tolerances and variations in the manufacturing process Remedy Review the barcode adhesive label on cross brace pipe of seat height adjuster. (see attachment). The seat frame base with the seat height adjuster motor can be replaced if the production status is smaller than E101 (pic.1: seat label) If the production status is equal…
• 10235665Apr 3, 2023Latches, locks and linkages. Complaint Technicians have reported the interior hood release lever missing from vehicle Cause Production change. Hood latch system no longer includes the interior release lever. Remedy No remedy required. Replacement release lever should not be ordered. See note in XPPI and Paragon. Dealers will be debited if a warranty claim for “Missing Part” is submitted
• 10233791Mar 1, 2023Electrical system. Complaint Wireless charging start/charging behavior of iPhone 14 is not optimal Cause Change in iPhone software (iOS) Remedy There will be optimized software for iPhone 14 iOS (target date 05/2023). This LI will be updated when the software becomes available. A software update with currently available iOS software will not be effective for the iPhone 14.
• 10232330Feb 13, 2023Latches, locks and linkages, Body and structure. Complaint The surface-flush door handle sometimes does not retract when the vehicle is locked. It is only after repeated locking operation that the problematic door handle retracts. Cause Motor fault detection (FC B185E96 or B185D96) is triggered in the bearing bracket electronics of the surface-flush door handle (A17/x) during the retracting movement and an adjustment for this cycle is prevented. Remedy Replace…
• 10231045Jan 22, 2023Transmission and drivetrain. Replace screws on electric drivetrain (eATS) of rear axle
• 10231043Jan 22, 2023Transmission and drivetrain. Replace screws on electric drivetrain (eATS) of rear axle
• 10231034Jan 20, 2023Body and structure. Complaint Sliding sunroof panel of panoramic sliding sunroof reversed (temporarily, once, or multiple times) during closing process, without entrapment event. Cause Close tolerance window for the parameters of the automatic reversing function of the panoramic roof in combination with the seal counterpressure. Remedy 1. Open the sliding sunroof panel of the panoramic roof completely (sliding position) and wait 10min…
• 10231037Jan 17, 2023Electrical system. Complaint Traffic Light View is intermittently inoperable after updating the MBUX Multimedia System (A26/17) to E316.5. Cause Previously available MBUX software release. Remedy A new software remedy is currently available. Please update the head unit software to version E329.5 or newer.
• 10231022Jan 13, 2023Transmission and drivetrain. Complaint Noises when reversing slowly < 4 mph (squeaking) Cause There is a seal in the electric drivetrain that seals off the coolant system from the electric motor. This seal is moistened with coolant during forward travel. As a result of the change in rotational direction when reversing slowly, it may be the case that this sealing ring is no longer moistened. Squeaking noises may occur as a result of the…
• 10231036Jan 10, 2023Electrical system. Complaint The "Ambient Light Warning Assistance Inoperative" warning message is displayed in the instrument cluster and the light-emitting diode strips are not working. This message is set by the active ambient lighting control unit (N162/1), when a light-emitting diode strip is missing or where a fault is detected in the light-emitting diode strip. Cause The following causes are possible: 1. Rework in active…
• 10231039Jan 9, 2023Electrical system. Complaint The display in the Lower Multifunction Steering Wheel Button Group (A74/2) may be completely or partially inoperable (see attached picture). Note: There is no loss of vehicle functionality due to this complaint Cause The complaint may occur when a new user profile is created in MBUX. Remedy Immediate measure: Perform a user data reset of the MBUX Multimedia System (settings -> system -> reset). Long-term…
• 10231032Jan 5, 2023Latches, locks and linkages, Electrical system. Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. E.g. when stored in trouser pocket, handbag etc. Remedy As of the 6th generation, the vehicle key can be recoded so that the tailgate no longer opens as a result of a long press on the button, but by double-clicking on the button instead.
• 10231033Jan 4, 2023Body and structure. Complaint Sliding sunroof panel of panoramic sliding sunroof reversed (temporarily, once, multiple times) during closing process without entrapment event. Cause Cause: It is not possible to save the relearning process for force progression after each actuation. A, e.g. mechanical sluggishness caused by aging cannot be compensated for here. Further analyses: Information from the control unit log of the panoramic…
• 10231027Jan 4, 2023Electrical system. Complaint Message in IC: "Active Brake Assist function restricted". "Active Emergency Stop Assist inoperative" "Active Lane Keeping Assist inoperative" "Active Blind Spot Assist inoperative" Note: The problem can occur after a software update of control unit N62/4 - Driver assistance system A quick test may not show any relevant fault codes related to the IC messages.
• 10228826Dec 6, 2022Transmission and drivetrain, Electrical system. Update powertrain and instrument cluster control unit software
• 10228814Dec 5, 2022Electrical system, Equipment. Complaint Customer states that the Hyperscreen Passenger Display (A40/26) may show dark, pixelated images when the display is starting up or shutting off (see attached picture). The complaint is not present when the display is in use and does not occur during every ignition cycle. Cause Implausible video transfer from The MBUX multimedia system (A26/17) during start-up and shut-down sequence. These digital…
• 10228810Dec 2, 2022Electrical system. Complaint The last settings for the Augmented Reality Head-up Display (AR HUD) may not always be saved and the settings are reset to the default state. Cause Instrument Cluster control unit (N133/1) software Remedy Updated Instrument Cluster control unit (N133/1) software will be available in Q1 2023
• 10228807Dec 1, 2022Steering. Complaint Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position (e.g. with Easy Entry function). Cause Height adjustment moves to the top/bottom limit stop and jams.
• 10227150Nov 2, 2022Body and structure, Suspension. Correct torque for rear bearings of front major assembly carrier

← All problems reported for the 2023 Mercedes-Benz EQS 450