2003 Mercedes Benz CLK500: complaints, problems and recalls
Explore the records behind recurring owner reports.
Key facts
1 owner complaints analyzed
3 distinct recall campaigns
Not available median reported failure mileage
Scope: 2003 model year. Data updated: . 0 complaints include usable failure mileage. View data status.
Most common problems
Visibility:Sun/Moon Roof Assembly is the most frequently named component, appearing in 1 of 1 complaints (100.0%). A complaint can name multiple components.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Visibility:Sun/Moon Roof Assembly | 1 |
Visibility:Sun/Moon Roof Assembly: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 0 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
No usable failure mileage is recorded. 1 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2020 | 1 |
2020: 1
Pattern summary
Visibility:Sun/Moon Roof Assembly leads the component reports. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Examples from the source records
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11337668 · 2020-07-06 (July 6, 2020)
TL* THE CONTACT OWNS A 2003 MERCEDES-BENZ CLK500. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THE SUN ROOF RATTLED AND AIR WAS HEARD ESCAPING THROUGH THE CLOSED SUN ROOF. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 19V918000 (VISIBILITY) HOWEVER, THE PARTS TO DO THE REPAIR WERE UNAVAILABLE. FLETCHER JONES IMPORTS (7300 W SAHARA AVE, LAS VEGAS, NV 89117) WAS CONTACTED AND CONFIRMED THAT THE PART WAS NOT AVAILABLE FOR THE RECALL REMEDY. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR …
Owner-reported narrative. Look up ODI 11337668 at NHTSA ↗
Recall history
3 distinct campaigns affect this selection. Announcement dates below are different from vehicle model years. A campaign may cover multiple years.
19V918000 · Visibility:Sun/Moon Roof Assembly
Reported: 2019-12-20 (December 20, 2019)
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2001-2011 vehicles. The bonding between the glass panel and the sliding roof frame may deteriorate, possibly resulting in the glass panel detaching from the vehicle. For a full list of the affected models visit: https://static.nhtsa.gov/odi/rcl/2019/RMISC-19V918-4126.pdf
Consequence: A detached glass panel can separate from the vehicle and become a road hazard, increasing the risk of a crash.
Remedy: MBUSA will notify owners, and dealers will inspect the glass panel bonding and replace the sliding roof, as necessary, free of charge. The recall began July 10, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020040011.
NHTSA campaign record ↗22V954000 · Visibility:Sun/Moon Roof Assembly
Reported: 2022-12-23 (December 23, 2022)
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2001-2011 C-Class, CLK, E-Class, and CLS vehicles. Please refer to MBUSA's recall report for specific vehicle model details. The glass sunroof panel may not be properly secured and may detach.
Consequence: A detached sunroof panel may become a road hazard, increasing the risk of a crash.
Remedy: Dealers will inspect and replace the sunroof panel as necessary free of charge. Owner notification letters were mailed February 3, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. This recall expands NHTSA recall number 19V-918. MBUSA's numbers for this recall are 2023010004, 2023010005, and 2023010006.
NHTSA campaign record ↗24V874000 · Visibility:Sun/Moon Roof Assembly
Reported: 2024-11-19 (November 19, 2024)
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2001-2011 C-Class, CLK, E-Class, and CLS vehicles. Please see the recall report for a complete list of models and model years. The glass sunroof panel may not be properly secured and can detach.
Consequence: A detached sunroof panel can become a road hazard, increasing the risk of a crash.
Remedy: Dealers will inspect and replace the sunroof panel as necessary, free of charge. Owner notification letters were mailed January 10, 2025. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of previous NHTSA recall number 22V-954. MBUSA's number for this recall is 2024120001/2/3.
NHTSA campaign record ↗Vehicle analysis explorer
Inspect model-year patterns, reported mileage, monthly activity and the evidence behind each signal.
Data completeness
1 unique complaints in this selection. Analysis snapshot: 2026-10-01.
Missing, zero and invalid mileage is excluded. Dates after the snapshot are excluded. Examples are limited selections, not a representative sample.
Problems by model year
Model-wide comparison of the eight most reported components across the model. Cells show counts and shares within each model year. Open a cell for source examples.
| Component | 2003 | 2004 | 2005 | 2006 | 2007 |
|---|---|---|---|---|---|
| Fuel/Propulsion System | 00.0%No examples available for this selection. | 642.9%ODI 10503648 · 70,000 miI SMELLED GASOLINE WHEN MY TWO CARS WERE PARKED IN THE GARAGE. THIS OCCURRED ONLY AFTER FILLING THE GAS TANKS (NO TOPPING OFF.) I THOUGHT IT WAS MY 2010 MBZ BUT THE DEALER CHECKED AND FOUND NO PROBLEM. I HAD MY 2004 MBZ CHECKED. THE DEALER TOLD ME I NEEDED A NEW GAS TANK, BECAUSE IT WAS LEAKING. MY CAR HAS 80K MILES AND LOOKS NEW; GARAGED, SERVICED AND NEVER IN AN ACCIDENT AND HAS NO LEAKS. A NEW GAS CAP DID NOT SOLVE THE PROBLEM. OVER THREE QUARTERS OF A TANK DOES NOT EMIT ANY ODOR, SO I DON'T FILL THE TANK COMPLETELY. I FEEL THE FUMES… | 316.7%ODI 10953761 · 134,000 miI'VE STARTED NOTICING A VERY STRONG SMELL OF GASOLINE COMING FROM THE DRIVER'S SIDE REAR WHEEL WELL AFTER FILLING UP THE CAR. THE GAS FILL DOOR IS ON PASSENGER SIDE. IN DOING SOME RESEARCH ON THE WEB, IT'S COME TO MY ATTENTION THAT THERE ARE MANY OTHER PEOPLE WITH MY MAKE AND MODEL WITH THE SAME PROBLEM. ALSO, A CLASS ACTION SUIT WAS FILED FOR THE S CLASS AND E CLASS MODELS OF MERCEDES THAT WERE HAVING THIS SAME GAS FUMES ISSUE AFTER FILLING UP THE TANK. MERCEDES OFFERED AN EXTENDED WARRANTY OF UP TO 15 ADDITIONAL YEARS FOR THE AFFECTED CARS… | 240.0%ODI 10484874 · 99,000 miEVERY TIME I START THE VEHICLE, THERE IS A STRONG GAS SCENT. IT IS UNBEARABLE WITH THE FAN INSIDE THE CAR ON. I MUST DRIVE WITH ALL THE WINDOWS OPEN TO BREATHE PROPERLY. *TR | 0UnavailableNo examples available for this selection. |
| Air Bags | 00.0%No examples available for this selection. | 17.1%ODI 10734393 · 102,666 miVEHICLE SHOW AN SRS LIGHT ISSUE ON THE DASHBOARD, I TOOK THE VEHICLE MANY TIMES TO TYSON'S CORNER, VA MERCEDEZ BENZ DEALERSHIP TO FIGURE WHAT WAS THE PROBLEM, AND THE DEALERSHIP WAS UNABLE TO FIND THE ISSUE. AFTER A LOT OF INVESTIGATION I FOUND OUT IT MAY BE THE SEATBELT BUCKLES, OR THE CHILD RECOGNITION EMULATOR WHICH ARE GIVING AND ISSUE. IF HE SRS LIGHT IS ON THE AIRBAGS WILL NOT DEPLOY IN CASE OF AN ACCIDENT. | 211.1%ODI 10377015 · 27,000 miTL*THE CONTACT OWNS A 2005 MERCEDES-BENZ CLK500. THE CONTACT STATED THAT HE RECEIVED A WARRANTY EXTENSION FROM THE MANUFACTURER IN REGARDS TO THE AIR BAGS. HE STATED THAT THE AIR BAG WARNING LIGHT WOULD ILLUMINATE ON THE INSTRUMENT PANEL ON A INTERMITTENT BASIS. THE VEHICLE WAS THEN INSPECTED BY A DEALER WHO INFORMED THE CONTACT THAT HE NEEDED TO REPLACE THE WIRING HARNESS IN BOTH THE DRIVER AND PASSENGER SEATS. THE VEHICLE HAD NOT BEEN REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 27,000 AND THE CURRENT MILEAGE WAS APPROXIMATELY 37,000. | 120.0%ODI 11132883 · 136,000 miSRS LIGHT ON. I TOOK IT FOR CHACK AND HERE IS WHAT THE SCANNER SAYS: PASSENGER AIRBAG IGNITION SQUIB THE RESISTANCE VALUE IN THE IGNITION CIRCUIT IS TOO HIGH | 0UnavailableNo examples available for this selection. |
| Seat Belts | 00.0%No examples available for this selection. | 321.4%ODI 10475169 · 78,000 miTL* THE CONTACT OWNS A 2004 MERCEDES CLK500. THE CONTACT STATED THAT THE DRIVER'S SIDE SEAT BELT FAILED TO RETRACT. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 78,000. | 15.6%ODI 11568322The driver side seat belt. The seat belt won't retract. Yes, the seat belt is available for inspection upon request. The driver side seat belt is useless, because there is no tension in restrain your body from moving. No, the dealer will not fix the issue. The vehicle has been inspected by the dealership. No warning lamps, messages, etc... prior to the driver side seat belt failed. | 00.0%No examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Electrical System | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 211.1%ODI 10382876 · 34,000 miDRIVING HOME FROM THE GROCERY STORE ON A SURFACE STREET AT APPROXIMATELY 35 MPH. ENGINE SWITCHED OFF ALONG WITH EVERYTHING ELECTRICAL. CAR DID RESTART AND I WAS ABLE TO GET HOME. ATTEMPTS TO RESTART AFTER THAT FAILED. THE REMEDY WAS TO REPLACE THE ELECTRONIC IGNITION SWITCH (EZS OR EIS CONTROL MODULE). THE EXPLANATION I RECEIVED WAS THAT IT HAS CERTAIN COMPUTER CIRCUITS THAT AFFECT NOT ONLY STARTING BUT OTHER CAR SYSTEMS. IN FACT, INCORRECT PROGRAMMING OF THE REPLACEMENT MODULE CAUSED ME TO BE UNABLE TO LOWER THE SOFT-TOP AS IF ONE WASN'T INSTA… | 120.0%ODI 10453628 · 60,211 miMY TRANSMISSION INTERMITTENTLY GOES INTO LOW GEAR WHILE DRIVING AT FREEWAY SPEEDS. THE CAR SUDDENLY SLOWS DOWN WITHOUT THE BRAKE LIGHTS TO WARN TRAFFIC BEHIND ME. IF I PULL OVER & TURN THE ENGINE OFF & BACK ON, THE TRANSMISSION WILL SHIFT GEARS NORMALLY FOR A FEW DAYS. THE MERCEDES DEALER SAYS THERE IS NO PROBLEM & NO OTHER CARS DO THIS. NOW THE CHECK ENGINE LIGHT IS ON & THE TRANSMISSION WON'T CHANGE GEARS AT ALL. NOW THE DEALER SAYS THE TRANSMISSION MUST BE REPLACED FOR $6500. A INDEPENDENT MERCEDES REPAIR SHOP TOLD ME THAT MERCEDES MAKE… | 0UnavailableNo examples available for this selection. |
| Power Train | 00.0%No examples available for this selection. | 17.1%ODI 10381946 · 76,000 miI WAS DRIVING ON A BUSY STREET WHEN THE MERCEDES BENZ STARTED JERKING. AFTER STOPPING AT A RED LIGHT, I COULD NOT GET THE CAR TO ACCELERATE PAST 2ND GEAR; THUS, I WAS DRIVING ON A STREET WITH A 45 MPH SPEED LIMIT AT LESS THAN 20 MPH. THEN, AS I WAS CROSSING AN INTERSECTION, THE CAR FINALLY STALLED. LUCKILY, BECAUSE IT WAS AN INTERSECTION, THE ONCOMING CARS MANEUVERED AROUND ME. AFTER TURNING THE IGNITION, IT STARTED UP AGAIN, AND I WAS ABLE TO DRIVE IT INTO A PARKING LOT (ONCE AGAIN, NOT PAST 2ND GEAR). I TOWED THE VEHICLE TO THE DEALERSHIP… | 15.6%ODI 10475964 · 117,000 miDRIVING 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 | 120.0%ODI 10453628 · 60,211 miMY TRANSMISSION INTERMITTENTLY GOES INTO LOW GEAR WHILE DRIVING AT FREEWAY SPEEDS. THE CAR SUDDENLY SLOWS DOWN WITHOUT THE BRAKE LIGHTS TO WARN TRAFFIC BEHIND ME. IF I PULL OVER & TURN THE ENGINE OFF & BACK ON, THE TRANSMISSION WILL SHIFT GEARS NORMALLY FOR A FEW DAYS. THE MERCEDES DEALER SAYS THERE IS NO PROBLEM & NO OTHER CARS DO THIS. NOW THE CHECK ENGINE LIGHT IS ON & THE TRANSMISSION WON'T CHANGE GEARS AT ALL. NOW THE DEALER SAYS THE TRANSMISSION MUST BE REPLACED FOR $6500. A INDEPENDENT MERCEDES REPAIR SHOP TOLD ME THAT MERCEDES MAKE… | 0UnavailableNo examples available for this selection. |
| Tires | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 316.7%ODI 10275003 · 22,000 miI 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 | 00.0%No examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Exterior Lighting | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 211.1%ODI 10475964 · 117,000 miDRIVING 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 | 00.0%No examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Fuel System, Gasoline | 00.0%No examples available for this selection. | 17.1%ODI 10445717 · 53,900 miSTRONG SMELL OF GAS FUMES AT REAR WHEEL WELL AREA WHEN FUEL TANK IS FILLED. DEALER FOUND FUEL LEAKING FROM THE TOP OF THE FUEL SENDING UNIT AND WAS FILLING THE RECESSED AREA ON TOP OF FUEL TANK WITH GAS. THE DEALER SAID THAT THE PLASTIC SENDING UNIT HAS A SMALL CRACK OR PIN HOLE AND WOULD HAVE TO BE REPLACED. I FOUND ON THE MERCEDES BENZ USER BLOG THAT OTHER CLK OWNERS HAD SIMILAR ISSUES. I CONTACTED MERCEDES BENZ USA AND FILED A COMPLAINT STATING THIS IS A FIRE HAZARD. THEY SAID THAT THEY COULD NOT ASSIST ME WITH THIS PROBLEM SINCE THE VEHICLE… | 15.6%ODI 10669815 · 48,000 miPULLED INTO THE DRIVEWAY ONE EVENING AND NOTICED A STRONG FUEL SMELL. USING A FLASHLIGHT, FOUND A DRIP COMING FROM UNDER THE PASSENGER SIDE REAR OF THE CAR. THE NEXT MORNING A LARGE GAS STAIN WAS APPARENT UNDER THE CAR, BUT THE DRIP HAD STOPPED. STARTED THE CAR AND THE GAS LEAK BEGAN AGAIN. DROPPED THE PANELS UNDER THE CAR AND THE LEAK IS COMING FROM THE TANK. THE VEHICLE IS NOW AT A DEALERSHIP AND THEY CLAIM THE TANK IS CRACKED. *TR | 00.0%No examples available for this selection. | 0UnavailableNo examples available for this selection. |
Darker cells indicate a larger share of submitted complaints. Components overlap. This measures complaint composition, not failure probability.
Failure mileage by component
Median and middle 50% of usable owner-reported mileages. Ranges require at least five records.
| Component | Mileage range (25th–75th percentile) | Median | Usable records | Examples |
|---|---|---|---|---|
| No usable records for this analysis. | ||||
Complaint and recall timeline
Explore monthly filing activity alongside recall announcements. Up to ten years of monthly history is available.
Solid line: filed complaints. Dashed amber lines: recall announcement dates for this vehicle selection; markers include all recall components. The latest month is partial. Temporal proximity does not establish causation.
Monthly counts, recall campaigns and complaint examples
| Month | Complaints | Campaigns announced | Examples |
|---|---|---|---|
| 2024-11 | 0 | 24V874000 | No examples available for this selection. |
| 2024-12 | 0 | None | No examples available for this selection. |
| 2025-01 | 0 | None | No examples available for this selection. |
| 2025-02 | 0 | None | No examples available for this selection. |
| 2025-03 | 0 | None | No examples available for this selection. |
| 2025-04 | 0 | None | No examples available for this selection. |
| 2025-05 | 0 | None | No examples available for this selection. |
| 2025-06 | 0 | None | No examples available for this selection. |
| 2025-07 | 0 | None | No examples available for this selection. |
| 2025-08 | 0 | None | No examples available for this selection. |
| 2025-09 | 0 | None | No examples available for this selection. |
| 2025-10 | 0 | None | No examples available for this selection. |
| 2025-11 | 0 | None | No examples available for this selection. |
| 2025-12 | 0 | None | No examples available for this selection. |
| 2026-01 | 0 | None | No examples available for this selection. |
| 2026-02 | 0 | None | No examples available for this selection. |
| 2026-03 | 0 | None | No examples available for this selection. |
| 2026-04 | 0 | None | No examples available for this selection. |
| 2026-05 | 0 | None | No examples available for this selection. |
| 2026-06 | 0 | None | No examples available for this selection. |
| 2026-07 | 0 | None | No examples available for this selection. |
| 2026-08 | 0 | None | No examples available for this selection. |
| 2026-09 | 0 | None | No examples available for this selection. |
| 2026-10 (partial) | 0 | None | No examples available for this selection. |
Emerging complaint spikes
Complete months in the latest six months with at least 10 complaints, at least twice the preceding 12-month average, and at least three square-root deviations above that average.
This is a descriptive screening rule, not a statistical defect finding. Publicity and reporting changes can increase submissions.
No complete months meet the spike thresholds for this selection.
Equal-age model-year comparison
Model-wide cumulative reports during the first three or five calendar years, starting with the model year (age 0). Only fully elapsed windows are compared.
2006: 0 complaints · 2007: 0 complaints
| Model year | Through age 0 | Through age 1 | Through age 2 |
|---|---|---|---|
| 2006 | 0 | 0 | 0 |
| 2007 | 0 | 0 | 0 |
Date coverage across each selected cohort
| Year | Incident dates used | Filing date fallbacks | Excluded dates |
|---|---|---|---|
| 2006 | 5 | 0 | 0 |
| 2007 | 0 | 0 | 0 |
Incident date is preferred when valid and no later than filing; otherwise filing date is used. Model year approximates age. Equal observation time does not adjust for sales, distance driven or reporting delays. One complaint linked to multiple model years can appear in each cohort.
Components reported together
Each cell counts unique complaints naming both components. Open a nonzero cell for examples.
| Component | Visibility:Sun/Moon Roof Assembly |
|---|---|
| Visibility:Sun/Moon Roof Assembly | — |
Co-reporting does not establish that one component caused another concern.
Recurring narrative patterns
Specific keyword mentions beyond broad component labels. Matching includes negations and comparisons and does not confirm a diagnosis.
0 patterns with matching reports.
No narratives match the published patterns.