2009 Mercedes-Benz CLK-Class
The Verdict
Worst problem area
Fuel System
Fuel System leads by volume: 2 of 9 complaints (22%) mention it. Complaints mentioning Airbags & Restraints include more crash reports (1) than those mentioning any other identified area.
Complaints filed fell from 20 in 2008 to 9 in 2009.
Data last changed . Sources: NHTSA complaints and recalls, EPA fuel economy data. Methodology
Cost, Fuel Economy & Complaint History
| Category | 2007 | 2008 | 2009 | vs. 2009 Subcompact Cars |
|---|---|---|---|---|
| Annual fuel cost ($) | 3,900–5,550 | 3,900–5,550 | 3,900–4,550 | |
| Combined MPG | 14–20 | 14–20 | 17–20 | |
| City / Highway MPG | 12–17 / 18–25 | 12–17 / 18–25 | 15–17 / 21–25 | |
| CO₂ tailpipe (g/mi) | 444–635 | 444–635 | 444–523 | |
| Complaints filed | 53 | 20 | 9 | |
| Recalls issued | 5 | 4 | 4 | |
| Crash-involved complaints | 0 | 1 | 1 | |
| Fire-involved complaints | 0 | 1 | 0 | |
| Injuries reported | 1 | 1 | 2 | |
| Deaths reported | 0 | 0 | 0 | |
| Configurations compared | 5 | 6 | 4 |
Not compared: this database has no vehicle sales or registration figures, so a raw count mostly reflects how many were sold, not how safe the vehicle is.
Common questions
How many recalls does the 2009 Mercedes-Benz CLK-Class have?
4 NHTSA recall campaigns as of Sep 16, 2026. Check your VIN with NHTSA to see whether one applies to your car.
What is the most common complaint about the 2009 Mercedes-Benz CLK-Class?
Fuel System: 2 of 9 NHTSA complaints (22%) mention it.
What gas mileage does the 2009 Mercedes-Benz CLK-Class get?
EPA rates it 17–20 MPG combined across 4 configurations.
How much does it cost to fuel a 2009 Mercedes-Benz CLK-Class?
EPA estimates $3,900–$4,550 a year in fuel costs, using EPA's assumptions.
Similar Vehicles
EPA-Rated Configurations (4)
| Configuration | Transmission | Cylinders | Displacement | Drivetrain | Fuel Type | Vehicle Class | City | Highway | Combined | Annual Fuel Cost | CO₂ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Configuration 1 | Automatic 7-spd | 6 | 3.5L | Rear-Wheel Drive | Premium | Subcompact Cars | 17 mpg (high) | 25 mpg (high) | 20 mpg (high) | $3,900 (low) | 444 g/mi (low) |
| Configuration 2 | Automatic 7-spd | 6 | 3.5L | Rear-Wheel Drive | Premium | Subcompact Cars | 17 mpg (high) | 25 mpg (high) | 20 mpg (high) | $3,900 (low) | 444 g/mi (low) |
| Configuration 3 | Automatic 7-spd | 8 | 5.5L | Rear-Wheel Drive | Premium | Subcompact Cars | 15 mpg (low) | 22 mpg | 17 mpg (low) | $4,550 (high) | 523 g/mi (high) |
| Configuration 4 | Automatic 7-spd | 8 | 5.5L | Rear-Wheel Drive | Premium | Subcompact Cars | 15 mpg (low) | 21 mpg (low) | 17 mpg (low) | $4,550 (high) | 523 g/mi (high) |
Complaints by Category
| Category | Complaints | Crash-Involved | Fire-Involved | Injuries | Deaths |
|---|---|---|---|---|---|
| Engine | 0 | 0 | 0 | 0 | 0 |
| Transmission & Drivetrain | 0 | 0 | 0 | 0 | 0 |
| Fuel System | 2 | 0 | 0 | 0 | 0 |
| Electrical | 0 | 0 | 0 | 0 | 0 |
| Brakes | 1 | 0 | 0 | 0 | 0 |
| Steering | 0 | 0 | 0 | 0 | 0 |
| Suspension, Wheels & Tires | 2 | 0 | 0 | 0 | 0 |
| Airbags & Restraints | 1 | 1 | 0 | 1 | 0 |
| Driver Assistance & Speed Control | 0 | 0 | 0 | 0 | 0 |
| Body, Seats & Latches | 1 | 0 | 0 | 1 | 0 |
| Visibility & Lighting | 2 | 0 | 0 | 0 | 0 |
| Other | 1 | 0 | 0 | 0 | 0 |
A complaint that names more than one category is counted in each, so the rows can add up to more than the total number of complaints.
Recalls (4)
VISIBILITY:SUN/MOON ROOF ASSEMBLY · Campaign 24V874000 · Nov 20, 2024
Defect: 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.
VISIBILITY:SUN/MOON ROOF ASSEMBLY · Campaign 22V954000 · Dec 27, 2022
Defect: 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.
EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE; ELECTRONIC STABILITY CONTROL (ESC):CONTROL MODULE:SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE · Campaign 22V168000 · Mar 21, 2022
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2010 E350, 2014 G550, 2008-2009 C300, 2008 C350, 2009 CLK550, 2007 SL550, SLK280, and 2008 SLK350 vehicles. Various control units may have been updated with incorrect software configuration during a service repair. This can result in various system failures, such as loss of drive power, reduced exterior lighting, or loss of dynamic control functions, including stability and traction control.
Consequence: Various system failures, such as loss of drive power, reduced exterior lighting, or loss of dynamic control functions including stability and traction control, can increase the risk of a crash.
Remedy: Dealers will update the software configuration on the affected control units, free of charge. Owner notification letters were mailed May 3, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022040003.
VISIBILITY:SUN/MOON ROOF ASSEMBLY · Campaign 19V918000 · Dec 23, 2019
Defect: 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.