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KLUNK
KLUNK

2006 Mercedes-benz Slk-class

The Verdict

92 Smooth Ride

The 2006 Mercedes-benz Slk-class has 34 owner complaints filed with NHTSA. The most reported issues are electrical (11 complaints) and body (9 complaints). With a Klunk Score of 92/100, it earns a "Smooth Ride" rating. If you're shopping for a Mercedes-benz Slk-class, consider the 2016 model year which has 94% fewer complaints.

Safe Bet

The 2016 has 94% fewer complaints

View the 2016 Mercedes-benz Slk-class dashboard →

92

Klunk Score: Smooth Ride

This vehicle year has significantly fewer complaints than average. A reliable choice.

How is this calculated?

The Klunk Score ranks this vehicle year against all others in our database based on total owner complaints filed with NHTSA. 100 = fewest complaints (top tier), 0 = most complained-about. Scores above 60 are better than average; below 40 means more problems than most.

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Under the Hood

Each number is a complaint. Darker = bigger problem.

YearBodyBrakesElectricalEngineTransmission
200546197
2006901168
2007402641
2008201101
200911100
201260230
201340230
201420010
201521010
201620000

By Category

Electrical
11
Body
9
Transmission
8
Engine
6

By Severity

1
20
2
11
3
1
4
2

Worst Problems

Complaints

Electrical 1

Headlight wires (Inside Housing) are frayed / melted. Can cause fire. I was replacing my bulb when I noticed the wires in the plug were completely stripped with no shielding. I traced it back to the connector and the wire shields were either frayed or completely gone

23mo ago
Body 1

I was traveling on I20 going about 60mph. Car suddenly started fish tailing and thought I had a flat tire. Pulled over, no flats but back driver's side wheel was crooked. Had car towed to service center. Back frame is extremely rusted. My whole wheel could have come off which would have been extremely serious. My car only has 46000 miles and garage kept. No warning signs. I don't drive in wintry conditions. My car has only been inspected by the service mechanic and myself.

45mo ago
Electrical 1

Electrical system faulty. Front lowbeam headlight warning light on. Mechanic changed headlight bulb but it still did not work. After about a week the warning indicator went off and headlight worked. A few days went by and the indicator came on again. The low beam did not work. This time the left side marker lamp indicator came on and the bulb wasn't working. Before I could take it in for repair the side marker was working again. It goes off and on about every other month. Also, the indicator for one of the bulbs above my license plate goes on and off, but it says bulb malfunction. Now joining is the passenger side ABS light. Sometimes when I start the car the warning indicator on the instrument panel is illuminated but then goes off after I start the car several times, about a day or two. I never know which electrical component may not be working when I turn on the ignition switch. Sometimes no warning indicators will be displayed. The side marker lamp indicator hasn't been on in months, but 3 days ago it came on again and both low beam lamp indicators are on as well. So, right now I'm driving with my high beams on. I'm just waiting for them to work again, you never know. It's so frustrating and dangerous. I have read that this is a common issue. It needs to be looked in to.

47mo ago
Body 2

Trunk failure. The trunk, when open, may suddenly fall very fast at any time. When you open the trunk it stays open but without warning may suddenly drop hitting you in the head. The trunk is actually quit heavy and can cause serious trauma to a person or damage to the vehicle as it slams down with force.

47mo ago
Electrical 4

TL* THE CONTACT OWNS A 2006 MERCEDES-BENZ SLK350. ON SEVERAL OCCASIONS, WHILE THE CONTACT'S DAUGHTER WAS DRIVING, THE HEADLAMPS BECAME INOPERABLE. THE CONTACT STATED THAT THE WIRING HARNESS TO THE HEADLAMPS MELTED AND LEFT THE WIRES EXPOSED. A DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 130,000.

91mo ago
Electrical 1

THE REAR MARKER LIGHTS ARE GOING ON AND OFF FOR THE LAST FEW MONTHS, NOW THEY ARE OFF FOR GOOD. THE WIRES TO THE LIGHTS LOOK FINE, THE BULBS LOOK FINE. I HAVE EVEN REPLACED THE BULBS BUT THEY STILL DONT WORK ON ONE SIDE. EARLIER MODELS ARE HAVING SAME ISSUE AS THIS MODEL. THIS CAR IS UNSAFE.

92mo ago
Electrical 1

TL* THE CONTACT OWNS A 2006 MERCEDES-BENZ SLK280. THE CONTACT TOOK THE VEHICLE TO AN INDEPENDENT MECHANIC TO HAVE THE PASSENGER SIDE MARKER LIGHT BULB REPLACED AND WAS ADVISED THAT THE VEHICLE HAD A FAULTY HARNESS. THE MECHANIC STATED THAT THE HARNESS NEEDED TO BE REPLACED AS SOON AS POSSIBLE BECAUSE IT COULD SHORT OUT AND START AN ENGINE FIRE. THE VEHICLE WAS NOT REPAIRED. THE CONTACT STATED THAT THE VEHICLE WAS REPAIRED AT JACKIE COOPER IMPORTS (9393 S MEMORIAL DRIVE, TULSA, OKLAHOMA 74133) APPROXIMATELY A YEAR AND A HALF AGO FOR THE DRIVER'S SIDE LIGHT MARKER. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 168,000.

98mo ago
Engine 1

TL* THE CONTACT OWNS A 2006 MERCEDES-BENZ SLK350. THE CONTACT STATED THAT THE VEHICLE EXPERIENCED A LACK OF ENGINE POWER AFTER ACCELERATING FROM A COMPLETE STOP. THE CONTACT STATED THAT THE VEHICLE HAD TO BE MANUALLY RESTARTED TO BE OPERATED NORMALLY. THE FAILURE OCCURRED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE VALVE BODY WAS DEFECTIVE AND NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 63,038.

121mo ago
Engine 1

TL* THE CONTACT OWNS A 2006 MERCEDES-BENZ SLK280. WHILE DRIVING 60 MPH, THE CONTACT NOTICED STRONG FUEL ODORS IN THE VEHICLE. THE FAILURE OCCURRED RANDOMLY. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC, BUT THE CAUSE OF THE FAILURE WAS NOT DETERMINED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 78,905.

126mo ago
Electrical 2

SRS LIGHT WENT ON AND STAYED ON. DEALER SAYS DRIVER RESTRAINT SYSTEM FAILED. REPAIR WOULD COST $700.00. THIS IS A CRITICAL SAFETY ISSUE AND THIS MODEL CAR SHOULD BE RECALLED FOR REPAIR BY DEALER AT MERCEDES BENZ COST, AS THIS IS A COMMON FAILURE ON THIS MODEL AND LIKELY A DEFECT.

126mo ago
Transmission 2

WHILE DRIVING VEHICLE POWER CAN BE LOST & VEHICLE CAN BE STUCK IN 1ST GEAR OR NO GEAR AT ALL CAUSING BLOCKAGE TO TRAFFIC AND POSSIBLY CAUSING AN ACCIDENT. ONCE YOU TURN CAR OFF IT APPEARS THE CAR RESETS ITSELF AS IF NOTHING EVER HAPPEN. WHEN REPORTED TO DEALERSHIP IT WAS STATED NO CODES POP UP SO I MUST BE HITTING THE SHIFT. NOT KNOWING ANY BETTER & NOT BEING A MECHANIC, WHO AM I TO CONTINUE TO QUESTION THE MERCEDES DEALERSHIP? NO CODE NO ACTION. (1ST REPORTED WITH 8446 MILEAGE NEVER SHOWED A CODE). AT 63,000 MILES THE ENGINE LIGHT FINALLY COMES ON INDICATING A PROBLEM. 63038 FOUND CODE IN SYSTEM FOR SPEED SENSOR NOT READING CORRECTLY. TEST DROVE CAR & STUCK IN LIMP HOME. THE ODD THING IS THE CODE KICKED IN AT 61400 MILES & THE LIGHT CAME ON 2000 MILES LATER. THE EXTENDED WARRANTY COMPANY REFUSED TO FIX MY CAR UNDER THE WARRANTY I PURCHASED DUE THE "DATA FREEZE' SHOWING PROBLEM EXISTED PRIOR TO ME PURCHASING THAT WARRANTY BUT I WAS UNAWARE OF THAT SINCE THE ENGINE LIGHT DIDN'T COME ON AT 61400. AT ANY RATE IT APPEARS TO BE A LOT OF COMPLAINTS WITH THESE VALUE BODIES WITH LOW MILEAGE. PEOPLE BUY MERCEDES THINKING IT WILL BE A WHILE BEFORE THE START HAVING THESE PROBLEMS YET COMPLAINTS ON THIS VALUE BODY IS ALL OVER THE INTERNET. ... FOUND BELOW ON INTERNT. I PAID $1800 FOR THIS REPAIR. OCT 29, 2012 - PLAINTIFFS BROUGHT A CLASS ACTION LAWSUIT AGAINST MERCEDES BENZ ON BEHALF ... AN ENTIRE VALVE BODY REPLACED THAT ONLY THE MERCEDES DEALER CAN REPAIR. .... 61,000 MILES, OUT OF WARRANTY, AND JUST NOW THEY SAID, THEY WILL NOT COVER AND NOW THE MB 722.9 VALVE BODY - COBRA TRANSMISSION ... COBRATRANSMISSION.BLOGSPOT.COM/.../AND-NOW-MB-7229-VALVE-BODY.HTML O DEC 2, 2010 - THIS BLOG COVERS AUTOMATIC AND STANDARD TRANSMISSION PARTS AS WELL AS TRANSFER CASE PARTS. VALVE ... THE VALVE BODY IS ONE OF THE LARGER ONES WE HAVE SEEN AROUND HERE. BIGGER .

128mo ago
Engine 2

3 ISSUES--CAMSHAFT SELENOID; DEFECTIVE GEAR IN THE BALANCE SHAFTS OF THE ENGINE; TRANSMISSION VALVE BODY DEFECT. ALL THREE OF THESE ISSUES HAVE BEEN DOCUMENTED BY MERCEDES INTERNAL DOCUMENTS AND THERE IS A CLASS ACTION SUIT ON GOING FOR THE DEFECTIVE GEAR IN THE BALANCE SHAFTS OF THE ENGINE RIGHT NOW. THESE ARE CRITICAL ISSUES AS THE CAR CAN LOSE POWER. WITH REGARD TO THE BALANCE SHAFT ISSUES, METAL FROM THE SHAFT DETERIORATES AND THAT INFILTRATES THE OTHER ENGINE PARTS CAUSING THE ENGINE TO PREMATURELY FAIL. ALMOST ALL OF THE REPORTS ON THIS ISSUE ARE FOR SLK350'S WITH LESS THAN 80,000 MILES.

128mo ago
Body 2

ON OCTOBER 19TH 2015 , PURCHASED THIS CAR FORM MERCEDES BENZ OF WALNUT CREEK CALIFORNIA . THE CAR WAS DELIVERED TO ME ON 27TH OCTOBER 2015 BY THE DEALERSHIP STATING THAT THE CAR IS CHECKED ACCORDING TO THE SAFETY STANDARDS AND IS GOOD TO DRIVE. BUT AS SOON AS I REACHED HOME WITH THE CAR THERE WAS A CHECK ENGINE LIGHT . MY HOUSE IS 140MILES FROM THE DEALER SHIP . I CALLED THEM THE VERY NEXT DAY , THEY CALLED ME IN THE NEXT WEEK , KEPT THE CAR FOR 4 DAYS . AGAIN WHEN I TOOK THE CAR FROM THEM THEY SAY EVERYTHING WORKS FINE . A WEEK AFTER THAT AGAIN I HAVE A CHECK ENGINE LIGHT . I TRY CALLING THEM THEY JUST GIVE ME A RUNAROUND , EVEN THE FRONT WIND SCREEN OF THE CAR IS CHIPPED MAJORLY . I STILL CAN'T FIGURE HOW DID MY CAR PASS THE CALIFORNIA INSPECTION FOR USED CAR . I NEED SOMEONE TO HELP ME . THIS IS MY FIRST CAR . THANK YOU WOULD APPRECIATE . [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

129mo ago
Body 2

WHILE DRIVING ON A 50 MPH EXPRESSWAY, MY CAR SUDDENLY WENT INTO A LOW GEAR, REV'ING VERY HIGH. I HAD TO DECELERATE QUICKLY AND I WAS UNABLE TO SPEED UP TO KEEP UP WITH THE FLOW OF TRAFFIC. THE DEALER SAID A CONDUCTOR PLATE HAD TO BE REPLACED. BUT THIS IS A REAL SAFETY ISSUE.

129mo ago
Transmission 1

TL* THE CONTACT OWNS A 2006 MERCEDES BENZ SLK350. WHILE DRIVING AT 45 MPH, THE VEHICLE BEGAN TO DECELERATE INDEPENDENTLY. THE CONTACT STATED THAT THE VEHICLE WAS TURNED OFF AND RESTARTED WHEN SUDDENLY THE VEHICLE JUMPED INTO FIRST GEAR. THE CONTACT ALSO STATED THAT THE VEHICLE WOULD NOT SHIFT FROM THE FIRST GEAR. THE VEHICLE WAS RESTARTED AGAIN AND THE VEHICLE FUNCTIONED AS NORMAL. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE TRANSMISSION VEHICLE SPEED SENSOR FAILED AND THE TRANSMISSION CONTROL MODULE NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 66,000.

131mo ago
Engine 1

DRIVING ON FREEWAY... ALL OF SUDDEN CAR GOES IN LOW GEAR NO WARNING HAS DONE THIS ABOUT 4 TIMES. TWICE ALMOST REAR ENDED. TOOK TO SHOP WAS TOLD IT WAS VALVE BODY/ CONDUCTOR PLATE ISSUE THAT WOULD HAVE TO BE FIXED AT DEALER DUE TO A DEFECTIVE PART MB USED ON THIS TRANSMISSION. CAR WENT INTO LIMP MODE AND WOULD NOT GO INTO GEAR. VALVE BODY / CONDUCTOR PLATE REPLACEMENT

132mo ago
Electrical 2

MY CAR IS A 2006 MERCEDES BENZ SLK280. THE SRS LIGHT INDICATOR TURNED ON AND STAYED ON.. THE GARAGE SAID THE COST OF REPAIR OF THE SRS SYSTEM WOULD BE OVER $400.00. I DO NOT KNOW IF THE RESTRAINT SYSTEM / AIRBAG WILL WORK IF THERE IS AN ACCIDENT, IT MAY BE A VERY HAZARDOUS CONDITION IF THE MERCEDES IMPACT PROTECTION SYSTEM IS NOT WORKING. MANY OTHER SLK280 OWNERS HAVE ALSO COMPLAINED ABOUT THIS PROBLEM. *TR

138mo ago
Body 3

WENT TO CHANGE A FLAT AND THE TRUNK CAME DOWN ON MY HEAD AND HAD TO GET SEVERAL STITCHES. IT SEEMS LIKE THE TRUNK ON THE SLK55 AMG WILL STAY UP FOR A FEW SECONDS THEN COLLAPSE RIGHT WHEN YOU LEAN INTO THE TRUNK TO GET THE SPARE MAKING THINGS GO FROM BAD TO WORSE A FLAT AND IN NEED OF MEDICAL ATTENTION. *TR

143mo ago
Body 2

HAD THE CAR IN PERSONAL GARAGE WENT TO JACK VEHICLE UP WITH THE MERCEDES BENZ JACK AND THE PLASTIC OR RUBBER CONNECTOR TO THE VEHICLE OF THE JACK CAME OFF CAUSING UNDER VEHICLE DAMAGE AND ENDANGERING MY PERSONAL SAFETY. *TR

143mo ago
Engine 1

BURNING SMELL WHEN AC TURNED ON. *TR

143mo ago

34 total

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