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Mercedes-Benz CLK430Model year report

1999 Mercedes-Benz CLK430 Problems

Complaints
11filed with NHTSA
Median mileage
81,010miles, 6 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 / 23 hwy

Sources: NHTSA records for the 1999 Mercedes-Benz CLK430 (complaints, recalls, investigations), EPA fuel economy. Report an error

NHTSA recorded 11 consumer complaints for the 1999 Mercedes-Benz CLK430. The part named most often is transmission and drivetrain, with 4 complaints (36% of the total), followed by engine cooling (3) and air bags (2). 6 of the complaints include a mileage, and 0% of those were filed for vehicles with under 50,000 miles; the median is 81,010 miles. Of all complaints, 2 a fire, according to the filers. NHTSA lists 0 recall campaigns and 7 technical service bulletins for this model year. Transmission and drivetrain complaints overlap with 2 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.

Example complaints

Transmission and drivetrain: “The contact owns a 1999 mercedes benz CLK430. The contact stated that the gear cluster pixel has faded out, preventing him from seeing what gear he is in when driving. The failure was noticed while driving 55 MPH. Mercedes benz stated that all of their vehicles are designed that way and refuse to repair his vehicle. The current and failure mileages were 73,000.”

NHTSA complaint #10197706, filed 2007-07, 73,000 miles

Engine cooling: “I was stuck in traffic and car stalled out in the middle of rush hour. I could not re start for about 40 min. It shut down two more times before I got home.this was a bad situation, very dangerous. I had no where to go to get out of the way. Turns out to be a bad crankshaft position sensor.”

NHTSA complaint #10222592, filed 2008-03, 82,020 miles

Air bags: “This is another example of the defect reported in odi id number 769483: crack in passenger-side airbag cover (1999 Mercedes-Benz CLK430). At this point I consider this to be a cosmetic defect only but would like to be notified if it turns out that there is a safety issue.”

NHTSA complaint #10073139, filed 2004-05, 70,512 miles

Brakes: “At roughly 80,000 miles, began receiving ABS and esp warning lights, intermittently at first and then increaing in frequency, so that now they are on roughly half the time. Mechanic diagnosed ABS control module fault code c1120 ( standstill calibration of yaw rate sensor erroneous ) and confirms that I am without ABS when warning lights are on. …”

NHTSA complaint #10082969, filed 2004-07, 80,000 miles

Mileage 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 73,000 and 100,685 miles.

0%0–100%10–250%25–5033%50–7533%75–10033%100–1500%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (6 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 81,010 miles.

Complaints by year filed

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

200020032200520072014
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 1999 Mercedes-Benz CLK430 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
CLK430 RWD4.3L 8-cyl5-speed automatic162319$4,350

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 1999 Mercedes-Benz CLK430 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. 7 on record; the latest 7 are shown.

Other model years of the Mercedes-Benz CLK430

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
20002060,0000—19—Stable
19991181,0100—19—Not enough data

All Mercedes-Benz CLK430 model years

Frequently asked questions

How many NHTSA complaints does the 1999 Mercedes-Benz CLK430 have?

NHTSA recorded 11 consumer complaints for the 1999 Mercedes-Benz CLK430 as of Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 1999 Mercedes-Benz CLK430 is reported most often?

Transmission and drivetrain is named most often, in 4 complaints (36% of the total), followed by engine cooling with 3.

Has the 1999 Mercedes-Benz CLK430 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 1999 Mercedes-Benz CLK430 get?

The EPA rates the 1999 Mercedes-Benz CLK430 (CLK430, 4.3L 8-cyl) at 19 mpg combined, 16 city and 23 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 1999 Mercedes-Benz CLK430 reported?

Among the 6 complaints that include a mileage, the median is 81,010 miles and the middle half falls between 73,000 and 100,685 miles; 0% were filed for vehicles with under 50,000 miles.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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.