VehicleVerdict

2009 Mercedes-Benz Clk350 problems

Verdict · NHTSA data

Limited data — recalls on file

NHTSA has just 10 complaints on file for the 2009 Mercedes-Benz Clk350 — too few to judge reliability from owner reports alone — but 3 recall campaigns apply to this year, so any used example should have its VIN checked for completed recall work.

10

NHTSA complaints

3

Recalls

0

Investigations

1

Crash-involved

0

Fires reported

2

Injuries

0

Deaths

—

NCAP overall

How does 2009 compare to other Clk350 years?

Clk350 NHTSA complaints by model year, 2009 highlighted52 complaints2006: 52 complaints2007: 50 complaints2008: 23 complaints2009: 10 complaints2010: 1 complaints
Clk350 NHTSA complaints by model year, 2009 highlighted. Red bars are years to avoid.

See all Clk350 years to avoid →

What are the most common 2009 Mercedes-Benz Clk350 problems?

ComponentComplaintsShare
Fuel System220%
Visibility & Wipers220%
Electrical System110%
Airbags110%
Seats110%
Tires & Wheels110%
Other110%
Brakes110%

Does the 2009 Mercedes-Benz Clk350 have recalls?

3 NHTSA recall campaigns on file. Recall repairs are free at franchised dealers.

24V874000Visibility & WipersNovember 19, 2024 · 33,456 units

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.

22V954000Visibility & WipersDecember 23, 2022 · 131,653 units

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.

19V918000Visibility & WipersDecember 20, 2019 · 747,928 units

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.

Consumer complaints filed with NHTSA

Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.

“TL* THE CONTACT OWNS A 2009 MERCEDES-BENZ CLK350. WHILE OPERATING THE VEHICLE, THE ODOR OF FUEL WAS PRESENT. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE SEAL CONNECTED TO THE FUEL PUMP WAS FAULTY AND THE FUEL PUMP NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE…”

Complaint filed with NHTSA · Fuel System · December 1, 2016

“The contact owns a 2009 Mercedes - Benz CLK350. The contact stated he turned on the air condition of his vehicle and an odor of mold came from the vents. The vehicle was taken to the dealer and stated that there was no recall for that failure. The manufacturer was contacted, and they also stated…”

Complaint filed with NHTSA · Visibility & Wipers · August 1, 2022

“DRIVING STRAIGHT ABOUT 25MPH ALONG A AN OTHERWISE EMPTY RESIDENTIAL STREET. EXPERIENCED MULTIPLE MICRO-BURSTS OF SUDDEN, BRIEF, VIOLENT, UNINTENDED BRAKING. DRIVER'S FOOT WAS NOWHERE NEAR THE BRAKE PEDAL. BRAKING WAS SO VIOLENT THAT THE WHEELS LOCKED UP AND MADE SKIDDING SOUNDS AND OCCUPANTS WERE…”

Complaint filed with NHTSA · Electrical System · June 5, 2019

“DRIVING STRAIGHT ABOUT 25MPH ALONG A AN OTHERWISE EMPTY RESIDENTIAL STREET. EXPERIENCED MULTIPLE MICRO-BURSTS OF SUDDEN, BRIEF, VIOLENT, UNINTENDED BRAKING. DRIVER'S FOOT WAS NOWHERE NEAR THE BRAKE PEDAL. BRAKING WAS SO VIOLENT THAT THE WHEELS LOCKED UP AND MADE SKIDDING SOUNDS AND OCCUPANTS WERE…”

Complaint filed with NHTSA · Brakes · June 5, 2019

“TL* THE CONTACT OWNS A 2009 MERCEDES BENZ CLK350. THE CONTACT STATED THAT THE FRONT DRIVER SEAT HEADREST AIR BAG EXPLODED WHILE DRIVING, AS A RESULT, THE CONTACT SUSTAINED LOSS OF HEARING IN HER LEFT EAR THAT REQUIRED MEDICAL ATTENTION. THE CONTACT STATED THAT THE VEHICLE'S SOS SYSTEM ALERTED HER…”

Complaint filed with NHTSA · Seats · July 22, 2020

2009 Mercedes-Benz Clk350 — common questions

Is the 2009 Mercedes-Benz Clk350 reliable?

The record is thin — 10 NHTSA complaints — so owner-report data can't strongly confirm reliability either way, though 3 recalls should be verified as completed.

What are the most common 2009 Clk350 problems?

According to NHTSA complaint data, the leading problem areas are visibility & wipers (2 complaints), fuel system (2 complaints), seats (1 complaints).

Does the 2009 Mercedes-Benz Clk350 have recalls?

Yes — NHTSA lists 3 recall campaigns affecting the 2009 Mercedes-Benz Clk350. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

Which Mercedes-Benz Clk350 years should you avoid?

Based on complaint rates and open investigations, the Clk350 years to avoid are 2006, 2007. The cleanest record among Clk350 years belongs to 2010.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.