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 contact stated that he exited the vehicle through the passenger's side window. The vehicle was taken to mercedes-benz of danbury (100 federal rd, danbury, ct 06810) and was diagnosed that the vacuum pump failed and needed to be replaced. The vehicle was not yet repaired. The contact mentioned that the vehicle was taken to the same dealer three times for the same failure where the dealer had replaced the vacuum pump with a used pump however, the failure recurred. The contact also mentioned that vehicle trunk opened and was unable to be securely shut. The contact taped the trunk shut. The manufacturer was made aware of the failure. The failure mileage was approximately 121,000.
The worst 1999 Mercedes Benz S420 problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Electrical3
- Airbags1
- Driver assistance1
- Locks1
- Seat belts1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Electrical3
- Airbags1
- Driver assistance1
- Locks1
- Seat belts1
Recalls
No recalls on record for this model year.
Technical service bulletins for the 1999 Mercedes Benz S420 9
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Touch pad: Search lighting does not dim or does not turn on.
- NTG5.5
- Harsh engagement when changing gear range from P to D or R
- Harsh engagement when changing gear range from P to D
- Vehicle cannot be opened via Keyless-Go and radio remote control
- IPhone mobile phone: Various complaints after software update to iOS8
- SENTEX gate operator with Clik Card Remote not compatible with Homelink
- Message in instrument cluster "DISTRONIC PLUSCurrently Unavailable
- Mercedes: corrosion protection coatings for brake components and hardware may be damaged and or stripped...
What 1999 Mercedes Benz S420 owners say
Most recent owner complaints, unedited.
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?
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.
Compare the 1999 Mercedes Benz S420
Other model years
Questions about the 1999 Mercedes Benz S420
Is the 1999 Mercedes Benz S420 reliable?
Owners have filed 4 complaints about the 1999 Mercedes Benz S420, close to a typical S420 model year.
What is the most common problem with the 1999 Mercedes Benz S420?
Electrical system, with 3 complaints. Next is airbags (1).
How many recalls does the 1999 Mercedes Benz S420 have?
No recalls on record.
VIN decoder
See the problems and recalls for an exact car
Buying a used 1999 Mercedes Benz S420?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history