2006 Mercedes-Benz CLK500 Problems
- Complaints
- 5filed with NHTSA
- Median mileage
- 66,000miles, 5 complaints with mileage
- Recalls
- 4campaigns on record
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
- NHTSA crash rating
- —overall rating starts with 2011 models
- EPA fuel economy
- 18 mpgcombined, 5.0L 8-cyl RWD · 15 city / 23 hwy
Sources: NHTSA records for the 2006 Mercedes-Benz CLK500 (complaints, recalls, investigations), EPA fuel economy. Report an error
NHTSA recorded 5 consumer complaints for the 2006 Mercedes-Benz CLK500. The part named most often is fuel system, with 2 complaints (40% of the total), followed by air bags (1) and brakes (1). 5 of the complaints include a mileage, and 20% of those were filed for vehicles with under 50,000 miles; the median is 66,000 miles. NHTSA lists 4 recall campaigns and 48 technical service bulletins for this model year. Fuel system complaints overlap with 1 technical service bulletin filed under the same part. Air bags complaints overlap with 2 technical service bulletins filed under the same part.
This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.
Which parts are reported most
Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.
- Fuel system2 40%
- Air bags1 20%
- Brakes1 20%
- Electrical system1 20%
- Engine cooling1 20%
Example complaints
Fuel system: “Every 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.”
NHTSA complaint #10484874, filed 2012-11, 99,000 milesAir bags: “Srs 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”
NHTSA complaint #11132883, filed 2018-10, 136,000 milesBrakes: “The contact owns a 2006 mercedes benz CLK500. While driving approximately 35 MPH on a rainy day, the emergency brakes engaged and the emergency brake on warning light illuminated on the instrument panel. The vehicle slowed down. The contact was able to pull the vehicle over to the side of the road. The vehicle was towed to a local dealer who diagnosed that the rear brakes had rusted and that the catalytic converter was falling apart and needed to be replaced. The manufacturer was notified of the failure and supported the diagnosis of the dealer. The vehicle had not been repaired. …”
NHTSA complaint #10743297, filed 2015-07, 66,000 milesElectrical system: “My 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. …”
NHTSA complaint #10453628, filed 2012-03, 60,211 milesMileage when problems were reported
20% of the 5 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 60,211 and 99,000 miles.
Complaints by year filed
Fewer than 15 complaints, too few for a reliable trend.
Fuel economy and running cost
EPA ratings for each 2006 Mercedes-Benz CLK500 version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).
| Version | Engine | Transmission | City | Hwy | Comb. | Fuel / yr |
|---|---|---|---|---|---|---|
| CLK500 RWD | 5.0L 8-cyl | 7-speed automatic | 15 | 23 | 18 | $4,550 |
| CLK500 (Cabriolet) RWD | 5.0L 8-cyl | 7-speed automatic | 15 | 23 | 18 | $4,550 |
Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.
Recalls and investigations
- 24V874000Nov 19, 2024Visibility › Sun/moon roof assemblyCovers: Mercedes-Benz CLK500 2003–2007, E320 2003–2009, C230 2002–2007 +20 more
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.
- 22V954000Dec 23, 2022Visibility › Sun/moon roof assemblyCovers: Mercedes-Benz CLK500 2003–2006, C230 2002–2007, CLS550 2006–2011 +18 more
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.
- 21V196000Mar 19, 2021Visibility › Sun/moon roof assemblyCovers: Mercedes-Benz CLK500 2006, E350 2006–2007, E320 2006–2007 +14 more
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2006-2007 C350, C230, C280, CLK350, E320CDI, E350 Wagon, E350, 2006 C55 AMG, CLK500, CLS500, CLS55 AMG, E500 Wagon, E500, E55 AMG, 2007 CLK550, CLS550, CLS63 AMG, E550, E63 AMG, and E63 Wagon AMG vehicles…
- 19V918000Dec 20, 2019Visibility › Sun/moon roof assemblyCovers: Mercedes-Benz CLK500 2003–2006, E320 2003–2009, C320 2001–2005 +21 more
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…
Recall details for the 2006 Mercedes-Benz CLK500 → · Check a VIN at nhtsa.gov/recalls
Technical service bulletins
TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 48 on record; the latest 10 are shown.
- 11038186Sep 22, 2026Brakes. Complaint Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE: Although the symptom is similar to a tire or wheel vibration, it is usually readily noticeable that it is…
- 11038217Sep 14, 2026Body and structure. Complaint Clanking noise from the area of the speakers in the doors. Cause Under analysis. Remedy To narrow down the cause, first of all remove the door trim. • If the noise continues to occur even…
- 11036101Aug 6, 2026Body and structure. Complaint Clanking noise from the area of the speakers in the doors. Cause Under analysis. Remedy To narrow down the cause, first of all remove the door trim. • If the noise continues to occur even…
- 11035005Jul 14, 2026Transmission and drivetrain. Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The noise is heard once in each instance when changing direction of travel. Note: Sound…
- 11032875May 19, 2026Visibility (wipers, defrost, mirrors). Complaint There are several types of complaint about noises or poor windshield wiper wiping performance: A: Wiper blades squeaking, chattering, shuddering B: The windshield is not wiped completely…
- 11031580Apr 16, 2026Exterior lighting. Complaint Headlamp, front fog lamp leaky or fogged. Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical…
- 11029959Mar 9, 2026Exterior lighting. Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical…
- 11029062Feb 25, 2026Exterior lighting. Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, physical fogging…
- 11029025Feb 24, 2026Exterior lighting. Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical…
- 11028989Feb 24, 2026Exterior lighting. Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, physical fogging…
Other model years of the Mercedes-Benz CLK500
| Year | Complaints | Median mi | Recalls | Crash ★ | MPG | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|---|
| 2006 | 5 | 66,000 | 4 | — | 18 | — | Not enough data |
| 2005 | 18 | 48,000 | 3 | — | 18 | — | Rising |
| 2004 | 14 | 77,000 | 3 | — | 17 | — | Not enough data |
All Mercedes-Benz CLK500 model years
Frequently asked questions
How many NHTSA complaints does the 2006 Mercedes-Benz CLK500 have?
NHTSA recorded 5 consumer complaints for the 2006 Mercedes-Benz CLK500 as of Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
What part of the 2006 Mercedes-Benz CLK500 is reported most often?
Fuel system is named most often, in 2 complaints (40% of the total), followed by air bags with 1.
Has the 2006 Mercedes-Benz CLK500 been recalled?
NHTSA lists 4 recall campaigns for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.
What gas mileage does the 2006 Mercedes-Benz CLK500 get?
The EPA rates the 2006 Mercedes-Benz CLK500 (CLK500, 5.0L 8-cyl) at 18 mpg combined, 15 city and 23 highway, with an estimated annual fuel cost of $4,550 at 15,000 miles a year. Other engine and drive versions are rated differently.
At what mileage are problems with the 2006 Mercedes-Benz CLK500 reported?
Among the 5 complaints that include a mileage, the median is 66,000 miles and the middle half falls between 60,211 and 99,000 miles; 20% were filed for vehicles with under 50,000 miles.
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Fuel economy is from the EPA and DOE (fueleconomy.gov).
Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.