1999 Mercedes-Benz S420 Recalls
No NHTSA recalls on record for the 1999 Mercedes-Benz S420. That means NHTSA has no open safety campaign for this vehicle — it does not guarantee the absence of problems. Owners have filed 8 complaints with NHTSA, most often about the air bags. Last updated July 5, 2026.
Complaints by component
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.
“Tl* the contact owns a 1999 mercedes benz s420. The contact stated that while attempting to exit the vehicle, the electrical and vacuum system became inoperable and he was unable to open the doors. The contact stated that he was locked inside the vehicle and was not able to exit the vehicle. The…”
“Tl* the contact owns a 1999 mercedes benz s420. The contact stated that while attempting to exit the vehicle, the electrical and vacuum system became inoperable and he was unable to open the doors. The contact stated that he was locked inside the vehicle and was not able to exit the vehicle. The…”
“The area that holds the brake lights keeps melting I have replaced them twice , seat belts lag and dot work I have had several problems with stabilization”
“The area that holds the brake lights keeps melting I have replaced them twice , seat belts lag and dot work I have had several problems with stabilization”
“The area that holds the brake lights keeps melting I have replaced them twice , seat belts lag and dot work I have had several problems with stabilization”
“The instrument cluster has almost totally failed creating a severe safety hazard. The dealer stated vehicles with this problem are being recalled. How do I receive a recall notice? *tr”
“While driving, consumer was broadsided by another vehicle, however it was not stated exactly where vehicle was hit, subsequently the airbags failed to deploy and consumer suffered severe injuries.*jb”
“While driving, consumer was broadsided by another vehicle, however it was not stated exactly where vehicle was hit, subsequently the airbags failed to deploy and consumer suffered severe injuries.*jb”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1999 Mercedes-Benz S420 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.