AI Damage2024 Mercedes-Benz redundant EQS 450 reliability: common problems
The maker issued 98 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 98
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 63 |
| Exterior lighting | 0 | 0 | 9 |
| Structure | 0 | 0 | 8 |
| Seats | 0 | 0 | 6 |
| Visibility | 0 | 0 | 6 |
| Backover prevention | 0 | 0 | 5 |
| Engine | 0 | 0 | 4 |
| Forward collision avoidance | 0 | 0 | 4 |
| Lane departure | 0 | 0 | 4 |
| Steering | 0 | 0 | 4 |
| Suspension | 0 | 0 | 4 |
| Powertrain | 0 | 0 | 3 |
| Wheels | 0 | 0 | 3 |
| Air bags | 0 | 0 | 1 |
Comparison
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Exterior lighting. Headlamps, leveling, sensors and mounts after a frontal hit.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
- Seats. Occupant sensor, power adjustment, seat mounts.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Complaint Yellow instrument cluster message
"Cooling system fault, operating energy input reduced, service required". Cause Fault code "B3A0077 - The regulation valve in the refrigerant circuit for the battery cooling gets stuck open. The ordered position cannot…
- Complaint The "Easy entry and exit feature" function deactivates itself after a brief period
(see attachment). Cause The cause is currently being investigated. Remedy Update the HU7 to the latest software version, then perform a factory reset of the HU7. Steps to perform factory reset: Navigate to Settings >…
- Complaint Clanking noise from the area of the speakers in the doors
Cause Under analysis. Remedy To narrow down the cause, first of all remove the door trim. • If the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and…
- Complaint The OTA software update prepares the SRS/ORC controller and enables it to be updated remotely in…
Complaint The OTA software update prepares the SRS/ORC controller and enables it to be updated remotely in the future. Based on technician feedback, the OTA (code: 25P5496529) does not start even after an extended…
- Complaint One of the flush door handles (Also referred to as Seamless Door Handles) does not…
Complaint One of the flush door handles (Also referred to as Seamless Door Handles) does not extend/retract (and/or) the KeylessGo sensor surfaces do not respond. Cause Multiple possible causes can be inferred from the…
- Complaint
Red 12 V battery warning message in IC DTC stored in EZS or currently: B161609 No DTC in DC/DC converter DC/DC converter is not providing any output voltage or output current Cause: Due to a reduction in resistance at…
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has updated DRIVE PILOT software available…
Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has updated DRIVE PILOT software available for equipped vehicles that includes general performance improvements and results in increased availability of…
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has updated driver assistance system SCN…
Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has updated driver assistance system SCN coding available for certain subject vehicles. The updated SCN coding improves system stability and enhances the…
- Complaint Reduced Drive Power' warning displayed on Instrument Cluster, as Illustrated in the Picture, but…
Complaint Reduced Drive Power' warning displayed on Instrument Cluster, as Illustrated in the Picture, but no relevant fault codes are present. Cause There are several reasons for the activation of the Reduced Drive…
- Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the…
Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse (and vice versa). Note: Sound file in…
- Complaint Squeaking or creaking noises on uneven roadways, in turns, or when moving in their seat
Cause Noise in the backrest adjustment mechanism Remedy The adjustment mechanism is treated with dry lubricant spray A000 989 35 60 to rectify the noise. To do this, proceed as follows: • Move the seat to the front…
- Complaint Vehicle will not start, High Voltage Malfunction error in IC Cause The FUSI (function safety)…
Complaint Vehicle will not start, High Voltage Malfunction error in IC Cause The FUSI (function safety) lock is activated which is causing the vehicle to not operate. Remedy SW resolution implemented with BMS SW…
NHTSA lists 98 bulletins for this year; the 12 newest are shown here.
Other years of this model
Questions and answers
What are the most common problems with the 2024 Mercedes-Benz redundant EQS 450?
There are no owner complaints in the NHTSA data for this year; the data comes from 98 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2024 Mercedes-Benz redundant EQS 450?
NHTSA lists 98 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2024 Mercedes-Benz redundant EQS 450 from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2024 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-06.