2005 Mercedes-Benz CLK320 Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2005 Mercedes-Benz CLK320, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Electrical323.1%
- Tires & wheels323.1%
- Airbags215.4%
- Interior & seats215.4%
- Seat belts215.4%
- Brakes17.7%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
MY 2005 MERCEDES CLK320 CAUGHT FIRE DUE TO AN ELECTRICAL SHORT WHILE I WAS DRIVING ON THE FREEWAY. I PULLED OVER, THE ENTIRE CAR WAS ENGULFED IN FLAMES AND TOTALED. IT STARTED WITH SMOKE COMING OUT OF THE AC VENTS. WHEN I TURNED THE AC OFF THE SMOKE GOT WORSE AND FIRE PROCEEDED.
TL* THE CONTACT OWNS A 2005 MERCEDES BENZ CLK320. THE CONTACT STATED THAT WHILE DRIVING AT 70 MPH, THE BRAKE PEDAL WAS APPLIED BUT THE BRAKES FAILED TO RESPOND. IN ADDITION, THE ABS WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE SENSOTRONIC BRAKE CONTROL NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 133,680.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Tires & wheels
Reports naming tires, wheels, hubs, or the tire-pressure monitoring system.
From owner reports, verbatim
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.
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
Too few reports in this category for a page of its own — they appear in the full complaint list.
Airbags
Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.
From owner reports, verbatim
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
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
Too few reports in this category for a page of its own — they appear in the full complaint list.
Interior & seats
Reports naming seats, latches, locks, linkages and interior fittings.
From owner reports, verbatim
SRS LIGHT ON DIAGNOSIS FAULTY FRONT SEAT SENSOR AND CONTROL UNIT. SRS THEREFORE NO LONGER WORKING. THIS IS THE THIRD ONE OF THESE I HAVE HAD THAT HAS HAD THIS FAULT ALL ON MERCEDES. EXTREME SAFETY ISSUE THAT IS REPETITIVE AND CONTINUOUS. ISSUE NEEDS TO BE LOOKED INTO IMMEDIATELY! *TR
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.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Seat belts
Reports naming seat belts, buckles, retractors and pretensioners.
From owner reports, verbatim
AT APPROXIMATELY 74,000 MILES THE FRONT DRIVERS SIDE SEAT BELT ELECTRIC EXTENDER WENT IN AND OUT 6 SIX TIMES UNCONTROLLABLY, THEN IN THE RETRACTED POSITION FAILED ALL TOGETHER, WHILE THE SEAT BELT ITSELF REMAINED IN THE SLACK POSITION AND WOULD NOT RETRACT. THIS MALFUNCTION LEFT THE FRONT DRIVERS SEAT BELT USELESS, A HUGE SAFETY RISK AND VIOLATES COLORADO SEAT BELT LAW. THERE ARE THOUSANDS OF DOCUMENTED COMPLAINTS IN MULTIPLE MODEL AND YEARS OF THE SAME ISSUE WITH MERCEDES BENZ SEAT BELTS AS PUBLISHED ONLINE. THE LOCAL MERCEDES BENZ DEALER STATES THIS IS NOT A CONSUMER SERVICEABLE ITEM, AND MERCEDES BENZ SERVICE BULLETIN PASSES OFF THEIR MANUFACTURER DEFECT AS THE CONSUMERS FAULT FOR "SOILING THE SEAT BELT AND NOT KEEPING IT CLEAN" WHICH IS RUBBISH. MERCEDES BENZ DEALER QUOTE TO REPLACE THE ENTIRE SEAT BELT SYSTEM FRONT DRIVER SIDE ONLY, $900.00. FRONT PASSENGER SIDE STARTING TO MALFUNCTION, REAR PASSENGER SIDE NOT FULLY RETRACTING WHEN EXITING THE VEHICLE. THE LOCAL DEALER DID NOT OFFER A LOANER CAR AS I HAD TO WAIT TWO WEEKS FOR THEM TO "SCHEDULE ME IN" FOR THE REPAIR, THUS DRIVING AN UNSAFE VEHICLE DURING THE TWO WEEK WAITING PERIOD.
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
Too few reports in this category for a page of its own — they appear in the full complaint list.
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
TL* THE CONTACT OWNS A 2005 MERCEDES BENZ CLK320. THE CONTACT STATED THAT WHILE DRIVING AT 70 MPH, THE BRAKE PEDAL WAS APPLIED BUT THE BRAKES FAILED TO RESPOND. IN ADDITION, THE ABS WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE SENSOTRONIC BRAKE CONTROL NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 133,680.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .