1999 Mercedes Benz S420 problems, complaints & recalls
Most-reported problem areas: Seat Belts (1) · Latches/Locks/Linkages:trunk Lid:lock (1) · Electrical System: Instrument Cluster/Panel (1)
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (9)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Interior Lighting 2021-06-16 · LI8220P073063 · Service Bulletin/Repair Instructions
touch pad: search lighting does not dim or does not turn on.
Electrical System: Instrument Cluster/Panel 2020-12-10 · LI54.30-P-072145 · Service Bulletin/Repair Instructions
ntg5.5: incorrect time shown on instrument cluster, comand display, and analog clock
Power Train 2020-09-30 · LI27.50-P-071658 · Service Bulletin/Repair Instructions
harsh engagement when changing gear range from p to d or r
Power Train:automatic Transmission:gear Position Indication (Prndl) 2020-09-22 · LI27.50-P-049281 · Service Bulletin/Repair Instructions
harsh engagement when changing gear range from p to d
Equipment:electrical 2015-03-31 · LI80.61-P-061174 · Service Bulletin/Repair Instructions
vehicle cannot be opened via keyless-go and radio remote control
Equipment:electrical 2014-10-14 · LI82.70-P-060004 · Service Bulletin/Repair Instructions
iphone mobile phone: various complaints after software update to ios8
Showing the 6 most recent of 9 bulletins. Search all of them free at nhtsa.gov.
What owners report
No detailed complaint narratives on file.
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.