Mercedes-Benz ยท 1999
1999 Mercedes-Benz S420
Official EPA fuel economy and NHTSA recall record, best combined figure 16 MPG.
Fuel economy (EPA)
| Engine | Transmission | Fuel | City | Highway | Combined | CO2 g/mi |
|---|---|---|---|---|---|---|
| 4.2L 8-cyl | Automatic 5-spd | Premium | 14 | 20 | 16 | 555 |
Safety recalls (NHTSA)
No NHTSA recall campaigns on record for this model year in our latest refresh.
Owner complaints (NHTSA)
8 complaints filed by owners for this model year (2 involving a crash, 0 a fire). Complaints are owner reports, not confirmed defects - browse them in full on nhtsa.gov.
Frequently Asked Questions
What is the fuel economy of a 1999 Mercedes-Benz S420?
EPA figures for the 1999 Mercedes-Benz S420 reach 16 MPG combined depending on configuration; the table on this page lists every tested engine and transmission combination.
Are there recalls on the 1999 Mercedes-Benz S420?
No NHTSA recall campaigns are on record for the 1999 Mercedes-Benz S420 in our latest data refresh.
What are common problems with the 1999 Mercedes-Benz S420?
Owners have filed 8 complaints with NHTSA for the 1999 Mercedes-Benz S420, most often about: Electrical System, Air Bags, Electronic Stability Control (esc). Complaint counts reflect what owners report, not confirmed defects.
Sources: EPA fueleconomy.gov, the NHTSA recalls, complaints and 5-Star Safety Ratings databases (all US public data), refreshed monthly. Recall texts are quoted from the official record. Details on About & Data Sources.