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Mercedes-Benz S430Model year report

2005 Mercedes-Benz S430 Problems

Complaints
11filed with NHTSA
Median mileage
100,000miles, 11 complaints with mileage
Recalls
0campaigns on record
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA crash rating
—overall rating starts with 2011 models
EPA fuel economy
19 mpgcombined, 4.3L 8-cyl RWD · 16 city / 24 hwy

Sources: NHTSA records for the 2005 Mercedes-Benz S430 (complaints, recalls, investigations), EPA fuel economy. Report an error

NHTSA recorded 11 consumer complaints for the 2005 Mercedes-Benz S430. The part named most often is electrical system, with 7 complaints (64% of the total), followed by exterior lighting (2) and transmission and drivetrain (2). 11 of the complaints include a mileage, and 27% of those were filed for vehicles with under 50,000 miles; the median is 100,000 miles. Of all complaints, 1 involved a crash, 1 a fire, according to the filers. NHTSA lists 0 recall campaigns and 56 technical service bulletins for this model year. Electrical system complaints overlap with 9 technical service bulletins filed under the same part. Exterior lighting complaints overlap with 9 technical service bulletins filed under the same part.

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.

Also reported: Visibility (wipers, defrost, mirrors) (1).

Example complaints

Electrical system: “I leased a new mercedes benz S430 during december 2004 from walter's mb in riverside, ca. Problems with the electronic stability system (esp) began march 2005 and on march 16, 2005 reported problems to walters mb during service visit. On december 9, 2005 reported problem again to walter's mb during service visit. Both times I reported how vehicle instrument cluster board lighting would blink and black out but esp light in the instrument cluster would turn on causing vehicle braking system to shut down speed to 15 miles per hour on freeway. …”

NHTSA complaint #10268180, filed 2009-05, 3,801 miles

Exterior lighting: “On 7-26-2015 I purchased this vehicle from commonwealth motors llc. After 24 hours on the highway while traveling at 55mph, I called back and I filed a complaint of the brakes being worn to the metal, that the suspension warning lights came on, that the left driver mirror was broken, and the rear tire kept going flat. I returned the car to the dealer whom claim its the state inspector made an error therefore its the states repsonsibilty. I scheduled a follow up which they decline to repsond to. The second third day the head lights went on and out. …”

NHTSA complaint #10790183, filed 2015-11, 30 miles

Transmission and drivetrain: “The contact owns a 2005 mercedes benz S430. While in park, the contact attempted to shift the vehicle into the drive position, but the gear shifter seized and required excessive force. The vehicle was taken to a mechanic where it was diagnosed as a shift lock lever fracture. The vehicle was not repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 107,000.”

NHTSA complaint #10743300, filed 2015-07, 107,000 miles

Mileage when problems were reported

27% of the 11 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 13,000 and 107,000 miles.

18%0–109%10–250%25–500%50–7518%75–10036%100–15018%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (11 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 100,000 miles.

Complaints by year filed

Fewer than 15 complaints, too few for a reliable trend.

200520092011201420152016320212024
Complaints by year the complaint was filed with NHTSA. Red bars: the last 3 full calendar years used for the trend. The current year (2026) is partial.

Fuel economy and running cost

EPA ratings for each 2005 Mercedes-Benz S430 version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).

VersionEngineTransmissionCityHwyComb.Fuel / yr
S430 RWD4.3L 8-cyl7-speed automatic162419$4,350
S430 4matic 4WD/AWD4.3L 8-cyl5-speed automatic152117$4,850

Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.

Recalls and investigations

NHTSA lists no recall campaigns for the 2005 Mercedes-Benz S430 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

TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 56 on record; the latest 10 are shown.

See all 56 bulletins →

Other model years of the Mercedes-Benz S430

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
200612101,8000—19—Not enough data
200511100,0000—19—Not enough data
20041878,0000—19—Falling
20032693,8350—18Not compared (before 2008)Falling
200231111,0000—18Not compared (before 2008)Falling
20017390,5000—18Not compared (before 2008)Falling
200023133,0000—18—Falling

All Mercedes-Benz S430 model years · Best and worst years by complaints

Frequently asked questions

How many NHTSA complaints does the 2005 Mercedes-Benz S430 have?

NHTSA recorded 11 consumer complaints for the 2005 Mercedes-Benz S430 as of Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2005 Mercedes-Benz S430 is reported most often?

Electrical system is named most often, in 7 complaints (64% of the total), followed by exterior lighting with 2.

Has the 2005 Mercedes-Benz S430 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.

What gas mileage does the 2005 Mercedes-Benz S430 get?

The EPA rates the 2005 Mercedes-Benz S430 (S430, 4.3L 8-cyl) at 19 mpg combined, 16 city and 24 highway, with an estimated annual fuel cost of $4,350 at 15,000 miles a year. Other engine and drive versions are rated differently.

At what mileage are problems with the 2005 Mercedes-Benz S430 reported?

Among the 11 complaints that include a mileage, the median is 100,000 miles and the middle half falls between 13,000 and 107,000 miles; 27% were filed for vehicles with under 50,000 miles.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Fuel economy is from the EPA and DOE (fueleconomy.gov).

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.