Compared with other years
NHTSA ODI complaints by model year
MOT test results in Great Britain
In 2023, 3,049 of these cars first registered in 2009 took their annual MOT test. 60% passed first time; among all cars first registered in 2009 the figure was 59%.
| Failed on | These cars | All cars from 2009 |
|---|---|---|
| Suspension | 23.1% | 16.4% |
| Lamps, reflectors and electrical equipment | 10.6% | 18.7% |
| Brakes | 10.4% | 10.1% |
| Tyres | 9.8% | 7.5% |
| Visibility | 5.6% | 6.5% |
| Noise, emissions and leaks | 3.5% | 5.4% |
DVSA anonymised MOT tests and results, 2023 (Department for Transport) · Open Government Licence v3.0 · first tests only; a fix made at the test station within the hour still counts as a fail
In New Zealand
34 2009 cars are on the New Zealand register; 65% arrived as used imports, 32% were sold new in New Zealand.
NZ Transport Agency Waka Kotahi, Motor Vehicle Register (March 2026) · CC BY 4.0
Fuel consumption
Official Canadian test results for 5 variants: combined 11.8–16.5 L/100 km (about 14–20 mpg US), CO₂ 271–380 g/km.
| Variant | City | Highway | Combined |
|---|---|---|---|
| CLK 350 · Subcompact · Premium gasoline | 13.8 | 9.3 | 11.8 |
| CLK 350 Cabriolet · Subcompact · Premium gasoline | 13.8 | 9.3 | 11.8 |
| CLK 550 · Subcompact · Premium gasoline | 16.1 | 10.7 | 13.7 |
| CLK 550 Cabriolet · Subcompact · Premium gasoline | 16.2 | 11.1 | 13.9 |
| CLK 63 AMG · Subcompact · Premium gasoline | 19.9 | 12.5 | 16.5 |
Litres per 100 km. Natural Resources Canada, Fuel consumption ratings (open.canada.ca) · Open Government Licence – Canada
Recalls
No recall campaigns cover the 2009 Mercedes-Benz CLK.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Mercedes-Benz told its dealers about the 2009 Mercedes-Benz CLK: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 10136041 | Selector lever blocks in position "P" (brake applied) |
| 10136031 | Engine noises (rattling) after engine start |
| 10135912 | COMAND: No sound, SDARS message in central display "Device Unavailable" |
| 10051975 | XENTRY (MERCEDES): WITH STEERING AT FULL LOCK, NOISE CAN BE HEARD, LIKE KNOCKING AND/OR CREAKING, COMING FROM AREA OF FRONT AXLE WHEN MANEUVERING. MODELS 203 (C240, 320, 32, 230), 171 (SLK350, 55, 280), 209 (CLK 320, 500, 55, 63), 204 (C300, 350, 250, 63), 207 (E350, 550). NO YEARS LISTED. *PE UPDATED 12/30/13. *PE UPDATED 5/9/14. *PE |
| 10039256 | MERCEDES-BENZ: THE MALFUNCTION LIGHT IS ON WITH MULTIPLE POSSIBLE TROUBLE CODES STORED. THERE COULD BE A PROBLEM WITH THE CAMSHAFT AND/OR SCORING OF A PISTON. *RM |
| 10038977 | MERCEDES-BENZ: THE AUTO-TRANSMISSION SWITCHES TO LIMP HOME MODE OR HAS NO POWER. THERE ARE MULTIPLE POSSIBLE FAULT CODES. A PISTON MAY BE DAMAGED. *RM |
| 10037408 | MERCEDES-BENZ: SHOCK ABSORBER PROCEDURE. *RM |
| 10034306 | MERCEDES: AIRBAG DURABILITY AND RELIABILITY. AIR BAG SRS CONTROL MODULE (N2/2) DOES NOT HAVE A SET SHELF LIFE AND WILL NORMALLY BE RELIABLE FOR THE LIFE OF A VEHICLE. WITH 164, 216 221, 251 AND NEWER, THE AIRBAG CONTROL UNIT CAN BE RESET FIVE TIMES. WITH MODES 202, 210 AND NEWER, THE AIRBAG CONTROL UNIT CAN BE RESET THREE TIMES. EARLIER MODELS WOULD HAVE TO HAVE THEIR AIRBAG CONTROL UNIT AND TRIGGERED RESTRAIN COMPONENTS CHANGED ONLY AFTER AN ACCIDENT. NO MODELS OR MODEL YEARS LISTED. *PE |
NHTSA manufacturer communications (public domain)
NHTSA investigations
Loss of rear lighting assembly
NHTSA Office of Defects Investigation