repaired · 2026 Q2
Communication: auto crash notification
Risk. A disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency…
2019 Mercedes-Benz S 450Problems, recalls & complaints
NHTSA has logged 3 owner complaints about the 2019 Mercedes-Benz S 450, most often about the power train. It is covered by 8 safety recalls, and for recall 21V-197 the manufacturer reports only 55% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through June 17, 2026. Updated daily.
Complaints by system
Where the 2019 Mercedes-Benz S 450 has problems
3 complaints grouped by the system owners reported.
1Power train
1Service brakes1 crash/fire/injury
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Power train | 1 | 0 |
| Service brakes | 1 | 1 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
8 recalls
2019 Mercedes-Benz S 450 recalls and how many were fixed
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
repaired · 2023 Q3
Body: roof and pillars
Risk. The adhesive bonding of the front panel might deteriorate, possibly causing the front panel to detach from the vehicle and become a road hazard, increasing the…
repaired · 2023 Q4
Communication: auto crash notification
Risk. Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
repaired · 2022 Q2
Electrical system: software
Risk. Without the audible tone and blinking warning light to remind the front seat occupants that their seat belts are not buckled, they may forget to buckle their…
Show 4 more recalls
repaired · 2020 Q4
Body: roof and pillars
Risk. If a side curtain air bag does not deploy as intended, or the pillar covers detach during a crash, there is an increased risk of injury.
repaired · 2020 Q4
Sensing system: radar
Risk. An impaired Active Brake Assist may not automatically apply partial or full braking as expected, increasing the risk of a crash.
repaired · 2020 Q3
Lane keep: automatic steering
Risk. If the system remains active despite the driver not having their hands on the wheel, the driver's inattention may increase the risk of crash.
repaired · 2020 Q2
Seat belts
Risk. If the seat belt tensioning does not activate in the event of a crash, it can increase the risk of injury.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mercedes-Benz.
Best & worst years
2019 vs. every other S 450 year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the S 450 median. How we score
'18'19'20
- Avoid
- Caution
- Solid
- Best
- Not rated
In owners' words
What S 450 owners report
Recent power train complaints filed with NHTSA, shortened. Personal details are removed.
The contact owns a 2019 Mercedes-Benz S450. The contact received notification of NTHSA Campaign Number: 26V216000 (Power Train); however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount…
Own a 2019 S 450?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.