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ProblemsByVin Index / 2005-MERCEDES-BENZ-CLK-CLASS / COMPLAINTS
Full complaint record · NHTSA

2005 Mercedes-Benz CLK-Class owner complaints

33 complaints filed with NHTSA on this vehicle , including 2 reporting a crash, fire, injury, or fatality. Showing the 300 most recent — grouped by category for scanning.

tires 5 complaints shown

6 total in this category · severe · avg repair $150 · see tires cluster analysis →
09/29/2023 1 injury ODI #11547437.0

Tire size: 245/40/17 Had a blowout without any warning, causing me to hit the center console and mirror receiving cuts and bruises. Immediately was pulled to the side of the road. When I got out to see what had happened, the rubber separated from the tire, which knocked off the back end of my car, scraped the entire passenger side of the car, knocking off the door handle and unclear as to what it damaged underneath my car. I have filed a complaint with the company, dealt with a Jesse Han and contacted the CEO Darren Thomas in regards to repairing the damage done. This has gone on since June and they keep giving me the run around. There are multiple problems with Sumitomo tires and the company owes for damages

08/16/2006 20,000 mi ODI #10165668.0

Dt*: the contact stated the automatic driver seat in the vehicle moved forward on its own, pushing the contact into the steering wheel. The vehicle was not recording the correct seat position of each driver. The vehicle was taken to a service dealer who was unable to duplicate the problem. Also, both front tires made a thumping noise while driving at any speed. A service dealer determined that the wear on the tread was uneven. Due to the vehicle having staggered wheels, the tires could not be rotated.

07/13/2006 20,000 mi ODI #10162342.0

Blow out of right rear tire (costco item #758707 bridgestone/firestone re750 245/40r17 ultra high performance) resulting in $2000 worth of vehicle damage. Defective tire remnants sent to bridgestone/firestone. Their inspector denies that the tire failure was a result of a defect in materials or workmanship. I do not believe they have objectively evaluated the tire remains and are attempting to avoid excepting responsibilities for the blowout which would amount to covering my $2000 out of pocket expenses. *jb

07/03/2023 1 injury ODI #11530164.0

While driving at 60mph on the a highway, without warning the passenger rear tire had a blowout. I immediately pulled off the road and when looking to see what happened, clearly seen was the rubber from the tire completely separated from the tire, causing major damage to my car. The rubber that came unattached ripped the passenger door handle off, scratched up the entire passenger side of my car, ripped off the passenger rear bumper and underneath damage as well. When taking the tire to try and get replaced, the manager of Walmart told me this was definitely a tire manufacturer defect and I should seek for the manufacturer to cover all damage due to this defect. I have filed a complaint with Sumitomo and I have gotten no response or help with this matter. In the meantime my car is not driva

06/25/2009 22,000 mi ODI #10275003.0

I was driving to work and it felt like the car ran over something. This is when I noticed that the tire had ran completely flat with tread splitting all around it. The tire has not been replaced but I have contacted the Mercedes service department because the tire has only 22,000 miles. I believe there are defects with the tires because the other front tire has a bubble in the tread. *tr

other 4 complaints shown

10/03/2018 ODI #11133230.0

Gas tank leaks, car in moton in the street

09/13/2006 17,927 mi ODI #10169067.0

Consumer would like manufacturer to reimburse them for repair work done on there 2006 Mercedes benz clk55. *kb the coverings that were replaced are a piece of black plastic that fits under the front bumper and is directly behind the light assembly on both sides. One day while driving one of the coverings became wedged against the front right tire. The vehicle was taken to a dealer who removed the covering and stated that the vehicle could be driven without it. About a week later the covering on the left side slid in front of the left front tire then went flying off the car while it was going 60 MPH. The consumer made an appointment to have the coverings replaced. The covering were replaced and the consumer was charged for the replacements. The vehicle warranty did not cover the repl

08/21/2023 ODI #11539955.0

Transmission slips out of gear while driving when you accelerate.

06/13/2018 95,000 mi ODI #11101590.0

When the gas tank is full there is a very strong gas smell all around the automobile. The vehicle is parked with the ignition off. This should not be the case. The CEL will come on with code p0456. A smoke test of the fuel filler neck showed there was a leak. Part no: w0133-2075480. This part is the same design as what is on the cls. This same fuel smell issue is on the e class and cls class and a warranty extension has been issued for an additional 15 years but nothing for the clk. This is a dangerous issue with heat and fuel and it should be addressed by Mercedes na . After discussing with Mercedes their stance is this is a normal ware item. I do not buy it.

electrical 3 complaints shown

7 total in this category · severe · avg repair $850 · see electrical cluster analysis →
11/07/2012 76,897 mi ODI #10483657.0

Right front xenon headlamp ballast failed causing headlamp to not illuminate, after this part was replaced shortly after the xenon igniter failed thus causing headlamp to not illuminate again. A couple of months later now the left headlamp has failed. The ballast has now failed on this light as well. The headlamps are so unreliable it is unsafe to drive at night. *tr

09/11/2025 147,000 mi ODI #11686621.0

Odometer Fraud. The contact purchased a 2005 Mercedes-Benz CLK500. The contact discovered a mileage discrepancy after the vehicle was purchased. The vehicle was a private sale. At the time of purchase, the vehicle mileage was 127,000. It was later discovered that the mileage on the Title was 147,000.

07/07/2010 62,000 mi ODI #10341826.0

Tl*the contact owns a 2005 Mercedes clk320. The contact stated that the vehicle would not start. Once the vehicle was jump started all of the service lights and sensors on the instrument panel would turn on and off. The automatic seat belts would also engage and disengage on their own. The vehicle was shut off but the failures continued to occur. The vehicle was taken to an authorized dealer where they were unable to diagnose the failure; however, they suspect that it could be the electrical system. The vehicle was not repaired. The failure and current mileages were 62,000.

steering 3 complaints shown

3 total in this category · moderate · avg repair $700 · see steering cluster analysis →
09/19/2012 117,000 mi ODI #10475964.0

Driving at 35 MPH car began to stall and lose power, car eventually gained power and acceleration, once driving slower the car lost power again and cut completely off after all lights on dash board came on. Selling dealer stated they fixed the problem which was a sensor but the car is now losing power again one month later. The interior and exterior lighting always flicker upon starting the vehicle. *tr

08/11/2011 75,000 mi ODI #10418601.0

Steering wheel stuck in highest position obstructing drivers' view. *tr

06/28/2005 ODI #10126783.0

Date of purchase was 01/10/2005 service#1.1st wheel alignment was on 01/18/2005 mileage in was 788 miles, the front & rear, both had to be re-aligned, replaced parts were wheel camber/caster-l side/adjust install bolt kits and wheel camber/caster-r side/adjust install bolt kits and car was tested to verify pull to the right, they found camber on left front out of specs also vehicle has a 0.14 split in caster r&r two lower encap panels install caster kit on right front and install camber kit on left front perform four wheel alignment road test car after the car was completed. Service #2. At 1,766 I requested another wheel alignment because the car began pulling to the right again. Service #3 04/25/2005 at 6174 miles and 05/10/2005 at 6,310 miles after high speed panic stop on interstate

airbags 2 complaints shown

4 total in this category · moderate · avg repair $1,100 · see airbags cluster analysis →
10/23/2014 69,896 mi ODI #10649422.0

SRS light appeared and we took vehicle into dealership and were told the passenger side airbag was defective and had to be replaced. We had the repair done on 10/03/14. We thought the manufacturer should be responsible for this safety issue since the vehicle is less than 10 years old. The dealership said it was not and the repair charges were paid by us. Wondering if this vehicle should be included in the national recall for defective airbags. *tr

09/11/2012 36,800 mi ODI #10475081.0

The SRS light came on once before like 6 months back, and the mechanic cleared the code. This light came back on sept 5, 2012. The Mercedes dealer told me that there are 2 fault codes: 1. 900b - passenger side seat belt buckle 2. 9243 - passenger side airbag ignition squib this car has only close to 37,000 miles. And this is a safety issue with airbags will not deploy in accidents. This car has never been in any accidents and is in pristine condition. I very strongly feel this is poor workmanship by Mercedes and they should have a recall to fix this as this relates to safety. *tr

seatbelts 1 complaint shown

3 total in this category · moderate · avg repair $500 · see seatbelts cluster analysis →
10/29/2014 217,000 mi ODI #10651136.0

Seat belt extended without tension and continued to release. So the driver side seat belt was of no functional use. Brought to Mercedes service, replaced entire seat-belt and retraction system. Was told the wheel that retracts the belt is defective. Seems like a real safety issue, maybe when someone needs there belt, this will occur, and the result will not be a service call, this should be fixed by Mercedes... *tr

lighting 1 complaint shown

10/05/2020 123,000 mi ODI #11362778.0

Low beam is out, discovered that on both sides all the headlight wires have lost all the insulation. Pictures can be texted.

engine 1 complaint shown

06/07/2005 3,500 mi ODI #10124456.0

Dt: consumer was driving home from work on the freeway going 65 MPH and engine completely stalled; all of the lights and everything went out. Was able to pull off the road, and put it in park. That night had vehicle towed to the dealership, and until today they were not able to identify the cause of the problem.*ak

Showing 300 of 33 total complaints. The full federal record is available at nhtsa.gov/vehicle/2005/Mercedes-Benz/CLK-Class#complaints.
Source: National Highway Traffic Safety Administration (NHTSA) owner complaint database. Last synced 2026-07-15. Complaints are owner-submitted and unverified — the existence of a complaint is not proof of a defect, but a pattern of complaints around the same component is a signal worth weighing. Verify any specific filing at nhtsa.gov.
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