
Snapshot
- 178 S450s added to recall list for SOS system failure
- 257 units were affected in an earlier October recall
- S450 has now been recalled four times
The 2021 Mercedes-Benz S450 has been recalled for a fourth time, as the German manufacturer’s SOS system yet again causes dramas.
Just 178 units have been placed under recall this time, down on the 257 affected by a similar recall in October last year, although the problem with the SOS emergency call function in Mercedes-Benz’s passenger vehicles persists, adding to the nearly 40,000 vehicles hampered between 2018 and 2020.
As with previous recalls related to the system, a software issue with the eCall communication module means it may become deactivated and unable to connect to certain networks, preventing occupants to contact emergency services in the event of a crash.

Mercedes-Benz has urged 2021 S450 owners to contact their preferred dealer to rectify the issue, offering to do so free of charge.
Alternatively, owners who are unsure as to whether their vehicle is affected are encouraged to contact the Mercedes-Benz customer assistance centre on 1300 300 896 or [email protected].
A list of VINs for affected vehicles can be found here.
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