1994 Mercedes-Benz 420 Problems
- Complaints
- 16filed with NHTSA
- Median mileage
- 110,125miles, 6 complaints with mileage
- Recalls
- 0campaigns on record
- Trend
- StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.
Sources: NHTSA records for the 1994 Mercedes-Benz 420 (complaints, recalls, investigations). Report an error
NHTSA recorded 16 consumer complaints for the 1994 Mercedes-Benz 420. The part named most often is electrical system, with 5 complaints (31% of the total), followed by brakes (4) and other or unknown (4). 6 of the complaints include a mileage, and 0% of those were filed for vehicles with under 50,000 miles; the median is 110,125 miles. Of all complaints, 2 involved a crash, according to the filers. NHTSA lists 0 recall campaigns and 0 technical service bulletins for this model year.
This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.
Which parts are reported most
Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.
- Electrical system5 31%
- Brakes4 25%
- Other or unknown4 25%
- Air bags1 6.3%
- Engine cooling1 6.3%
- Seats1 6.3%
- Vehicle speed control1 6.3%
Example complaints
Electrical system: “Vehicle is running erratically. Upon investigation, I found that the engine wiring harness in model years including my 1994 mercedes benz e420 have a chronic problem with deteriorating insulation. As some fires and crashes have been reported, I am paying to have this part replaced.”
NHTSA complaint #10220009, filed 2008-03, 139,595 milesBrakes: “The problem started last august. It occurrs only occasionally and has never been duplicated when at a dealership or repair shop. After applying the brakes and coming to a stop, the car starts to roll forward. When I take my foot of the brake pedal and reapply it, the car then stops. However, on april 7th when this occurred reapplying the brake did not stop the car and I rolled into the rear end of a trator trailer truck who was stopped at a red light. In november 2001 I took the car to the mercedes dealership in haverhill, ma smith motors. They put in a new master cyclinder. …”
NHTSA complaint #761678, filed 2002-05Mileage when problems were reported
0% of the 6 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 90,000 and 139,595 miles.
Complaints by year filed
Trend: stable. Complaints filed in the last 3 full calendar years are within 25% of the 3 years before.
Recalls and investigations
NHTSA lists no recall campaigns for the 1994 Mercedes-Benz 420 in the data used here. A recall can apply to some vehicles of a model year and not others, so check a specific vehicle by VIN at nhtsa.gov/recalls.
Technical service bulletins
No technical service bulletins are on record for the 1994 Mercedes-Benz 420.
Other model years of the Mercedes-Benz 420
| Year | Complaints | Median mi | Recalls | Crash ★ | MPG | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|---|
| 1999 | 5 | — | 0 | — | — | — | Not enough data |
| 1997 | 22 | 131,500 | 0 | — | — | — | Stable |
| 1995 | 15 | 95,784 | 0 | — | — | — | Stable |
| 1994 | 16 | 110,125 | 0 | — | — | — | Stable |
| 1986 | 6 | — | 0 | — | 15 | — | Not enough data |
All Mercedes-Benz 420 model years
Frequently asked questions
How many NHTSA complaints does the 1994 Mercedes-Benz 420 have?
NHTSA recorded 16 consumer complaints for the 1994 Mercedes-Benz 420 as of Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
What part of the 1994 Mercedes-Benz 420 is reported most often?
Electrical system is named most often, in 5 complaints (31% of the total), followed by brakes with 4.
Has the 1994 Mercedes-Benz 420 been recalled?
NHTSA lists no recall campaigns for this model year in the data used here. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.
At what mileage are problems with the 1994 Mercedes-Benz 420 reported?
Among the 6 complaints that include a mileage, the median is 110,125 miles and the middle half falls between 90,000 and 139,595 miles; 0% were filed for vehicles with under 50,000 miles.
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.