MERCEDES-BENZ CLK430 · model year

1999 MERCEDES-BENZ CLK430

17 NHTSA complaints for this specific cohort.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

The 1999MERCEDES-BENZCLK430 carries 17 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 3 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.

Component-level analysis is where model-year complaints become actionable: the top complaint category for the 1999 CLK430 is power train:automatic transmission with 2 filings, followed by air bags (2) and engine and engine cooling:engine:gasoline (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.

NHTSA currently has 15 investigation files overlapping the 1999 CLK430. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.

17
Complaints
0
Crashes
3
Fires
0
Injuries
0
Deaths

Total Complaints

17 filings

Crashes Reported

0 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

At or below the fleet median complaint volume.

Complaints by Component

ComponentCount
POWER TRAIN:AUTOMATIC TRANSMISSION2
AIR BAGS2
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE1
POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)1
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP1
POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER1
STRUCTURE1
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE1
ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH1
ENGINE AND ENGINE COOLING:ENGINE1
POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL)1
ENGINE AND ENGINE COOLING1
ENGINE1
SUSPENSION1
WHEELS1

Recent Complaints

20140530ENGINE

ON FRIDAY MAY 30, 2014, AT APPROXIMATELY 0200, I WAS GETTING ON THE FREEWAY ON 880-S IN DOWNTOWN OAKLAND. I WAS DRIVING IN THE FAR LEFT LANE, AND THERE WAS CONSTRUCTION GOING ON. WHILE I WAS DRIVING I FELT A LARGE BUMP, AND IMMEDIATELY I TRIED TO PULL TO THE SHOULDER. I LOOKED BACK AND SAW IT WAS A LARGE LOG. I FILED A REPORT WITH THE CHP, AND THEY TOLD ME TO CONTACT THE DEPARTMENT OF TRANSPORTATION. BECAUSE OF THIS INCIDENT, MY CAR CANNOT DRIVE, AND MY FIANCE USES THIS CAR FOR WORK AND SCHOOL. *TR

20140530SUSPENSION

ON FRIDAY MAY 30, 2014, AT APPROXIMATELY 0200, I WAS GETTING ON THE FREEWAY ON 880-S IN DOWNTOWN OAKLAND. I WAS DRIVING IN THE FAR LEFT LANE, AND THERE WAS CONSTRUCTION GOING ON. WHILE I WAS DRIVING I FELT A LARGE BUMP, AND IMMEDIATELY I TRIED TO PULL TO THE SHOULDER. I LOOKED BACK AND SAW IT WAS A LARGE LOG. I FILED A REPORT WITH THE CHP, AND THEY TOLD ME TO CONTACT THE DEPARTMENT OF TRANSPORTATION. BECAUSE OF THIS INCIDENT, MY CAR CANNOT DRIVE, AND MY FIANCE USES THIS CAR FOR WORK AND SCHOOL. *TR

20140530WHEELS

ON FRIDAY MAY 30, 2014, AT APPROXIMATELY 0200, I WAS GETTING ON THE FREEWAY ON 880-S IN DOWNTOWN OAKLAND. I WAS DRIVING IN THE FAR LEFT LANE, AND THERE WAS CONSTRUCTION GOING ON. WHILE I WAS DRIVING I FELT A LARGE BUMP, AND IMMEDIATELY I TRIED TO PULL TO THE SHOULDER. I LOOKED BACK AND SAW IT WAS A LARGE LOG. I FILED A REPORT WITH THE CHP, AND THEY TOLD ME TO CONTACT THE DEPARTMENT OF TRANSPORTATION. BECAUSE OF THIS INCIDENT, MY CAR CANNOT DRIVE, AND MY FIANCE USES THIS CAR FOR WORK AND SCHOOL. *TR

20080328ENGINE AND 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. *TR

Mileage: 82,020

20070727POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL)

TL*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.

Mileage: 73,000

20060706ENGINE AND ENGINE COOLING:ENGINE

FAILED CRANKSHAFT POSITION SENSOR LEFT MY CAR DEAD IN VERY HEAVY HIGHWAY TRAFFIC DURING RUSH HOUR. THE CRANKSHAFT POSITION SENSOR IS NOTORIOUSLY FAILURE-PRONE ON THE 8-CYL MERCEDES MODELS. THIS IS OBVIOUSLY (FROM THE NUMBER OF COMPLAINTS) A DEFECTIVE PART AND NEEDS TO BE RECALLED RIGHT AWAY. FAILURE OF THE CRANKSHAFT POSITION SENSOR RENDERS THE CAR IMMEDIATELY AND SUDDENLY IMMOBILE. THIS IS A POTENTIALLY LIFE THREATENING DEFECT. *NM

Mileage: 100,685

20050916FireELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH

DT: THE VEHICLE CAUGHT ON FIRE UNDER DASHBOARD AFTER IT WAS PARKED. IT SET FOR A SHORT TIME. THERE WAS NO FOREWARNING. THE FIRE DEPARTMENT PUT OUT THE FIRE. THE INSURANCE COMPANY DID AN INVESTIGATION, AND STATED THAT THE FIRE WAS DUE TO A MALFUNCTION IN WIRING FROM DISTRIBUTION PANEL AND THE FUSE GRID TO THE DASHBOARD. THIS HAPPENED ON MAY 10, 2003. CONSUMER CONTACTED THE DEALER AND MANUFACTURER, AND RECEIVED NO SATISFACTION. *AK

20040729SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE

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. MECEDESBENZ TECHNICAL SERVICE BULLETIN NUMBER AF42.45-U-8103A (DATED 22 JUN 2000) INDICATES THAT THIS DEFECTIVE ABS CONTROL MODULE PART WAS REPLACED IN PRODUCTION STARTING IN 2000, AND WAS REPLACED IN FIELD AS A RECALL ITEM FOR SOME PERIOD OF TIME THEREAFTER, ON REPORT FROM REGIONAL TECHNICAL COORDINATOR. MY ATTEMPT TO HAVE MBUSA REPLACE THIS PART (COST APPROX. $1100) HAS BEEN REFUSED. ATTEMPTING TO HAVE PART COVERED BY AFTERMARKET WARRANTY COMPANY AS WELL BUT A SIGNIFICANT SAFETY DEFECT IS STILL PRESENT IN THIS VEHICLE AND I BELIEVE THAT MBUSA SHOULD REPLACE CONTROL MODULE.*AK

Mileage: 80,000

20040525AIR 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. *NM

Mileage: 70,512

20040525STRUCTURE

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. *NM

Mileage: 70,512

20030122POWER TRAIN:AUTOMATIC TRANSMISSION

TRANSMISSION BROKE DOWN. WHILE WAS GOING IN REVERSE FORDWARD GEAR WENT ON ,MAKING A LOUD NOISE PUT THE LEVER ON NEUTRAL AND CAR STILL GOING FORWARD

Mileage: 128,120

20030122POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER

TRANSMISSION BROKE DOWN. WHILE WAS GOING IN REVERSE FORDWARD GEAR WENT ON ,MAKING A LOUD NOISE PUT THE LEVER ON NEUTRAL AND CAR STILL GOING FORWARD

Mileage: 128,120

20021115AIR BAGS

CRACK ALONG PASSENGER SIDE FRONT AIR BAG ON THE DASH BOARD, IS AIR BAG GOING TO EXPLODED? DEALER WANTS TO CHARGE $2500. I HAVE DISCUSSED WITH OTHER CLK OWNERS AND FOUND OUT IT'S ACTUALLY A QUITE COMMON PROBLEM WITH THE MERCEDES CLK, SHOULD NHTSA ASK MERCEDES FOR RECALL? IF AIR BAG DEPLOYS AND CAUSES INJURY/ACCIDENTS WHILE DRIVING, COULD BE DEVASTATING. DT

20001127SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

I WAS DOING AROUND 55 AND THE ROAD WAS CURVING SLIGHTLY WHEN I SUDDENLY SAW A LARGE OBJECT IN THE MIDDLE OF THE ROAD. I COULD NOT GO TO THE OTHER LANE BECAUSE A CAR WAS RIGHT NEXT TO ME SO I SLAMMED ON THE BRAKES, I FELT ABS KICKING IN AND WAS FINALLY ABLE TO GO AROUND THE OBJECT WHICH TURNED OUT TO BE A LARGE CARDBOARD BOX. AT THIS POINT IS WHERE I ENCOUNTER MY PROBLEM, I GIVE THE CAR GAS TO PROCEED DOWN THE ROAD, THE CAR JUST REVS AS IF IT WAS IN NEUTRAL, I LOOK DOWN AT MY SHIFTER AND IT IS IN D. I SHIFT DOWN TO LOWER GEARS AND NOTHING. NOW I'M NERVOUS BECAUSE I SEE CARS COMING TO MY REAR AND THERE IS NO EMERGENCY LANE ON THIS ROAD. AFTER 30 SECONDS OF NO CONNECTION BETWEEN ENGINE AND TRANS, THE TRANS FINALLY ENGAGES AND I AM ABLE TO PROCEED.*AK

20001127POWER TRAIN:AUTOMATIC TRANSMISSION

I WAS DOING AROUND 55 AND THE ROAD WAS CURVING SLIGHTLY WHEN I SUDDENLY SAW A LARGE OBJECT IN THE MIDDLE OF THE ROAD. I COULD NOT GO TO THE OTHER LANE BECAUSE A CAR WAS RIGHT NEXT TO ME SO I SLAMMED ON THE BRAKES, I FELT ABS KICKING IN AND WAS FINALLY ABLE TO GO AROUND THE OBJECT WHICH TURNED OUT TO BE A LARGE CARDBOARD BOX. AT THIS POINT IS WHERE I ENCOUNTER MY PROBLEM, I GIVE THE CAR GAS TO PROCEED DOWN THE ROAD, THE CAR JUST REVS AS IF IT WAS IN NEUTRAL, I LOOK DOWN AT MY SHIFTER AND IT IS IN D. I SHIFT DOWN TO LOWER GEARS AND NOTHING. NOW I'M NERVOUS BECAUSE I SEE CARS COMING TO MY REAR AND THERE IS NO EMERGENCY LANE ON THIS ROAD. AFTER 30 SECONDS OF NO CONNECTION BETWEEN ENGINE AND TRANS, THE TRANS FINALLY ENGAGES AND I AM ABLE TO PROCEED.*AK

19991227FireENGINE AND ENGINE COOLING:ENGINE:GASOLINE

THE VEHICLE STARTED BACK FIRING AND STALLING, IT SUDDENLY LOST ALL POWER. TRACTION LIGHTS ILLUMINATED ON THE DASH. WHEN THE CONSUMER PULLED TO THE SIDE , ENGINE BEGAN SMOKING AND THE CAUGHT ON FIRE. FIRE WAS PUT OUT BY THE FIRE DEPARTMENT DEALER HAS BEEN CONTACTED. *AK

19991227FirePOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

THE VEHICLE STARTED BACK FIRING AND STALLING, IT SUDDENLY LOST ALL POWER. TRACTION LIGHTS ILLUMINATED ON THE DASH. WHEN THE CONSUMER PULLED TO THE SIDE , ENGINE BEGAN SMOKING AND THE CAUGHT ON FIRE. FIRE WAS PUT OUT BY THE FIRE DEPARTMENT DEALER HAS BEEN CONTACTED. *AK

Compare 1999MERCEDES-BENZCLK430 to Similar Vehicles

NHTSA Investigations

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Frequently Asked Questions

How many complaints does the 1999 MERCEDES-BENZ CLK430 have?
The 1999 MERCEDES-BENZ CLK430 has 17 NHTSA complaints, 0 crashes, 3 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 1999 MERCEDES-BENZ CLK430?
The most-complained component for the 1999 MERCEDES-BENZ CLK430 is POWER TRAIN:AUTOMATIC TRANSMISSION with 2 complaints. Other frequently reported areas include AIR BAGS and ENGINE AND ENGINE COOLING:ENGINE:GASOLINE.
Is the 1999 MERCEDES-BENZ CLK430 safe to buy?
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.

Vehicle Safety Guides

Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.