2006 Mercedes Benz Clk350 problems, complaints & recalls
Most-reported problem areas: Fuel/Propulsion System (9) · Engine (4) · Engine And Engine Cooling:engine (3)
🧭 Reliability snapshot
Compared against other Mercedes Benz Clk350 model years — complaint volume vs the model's median year, recalls and severity. How we score →
🛣️ Complaints by mileage
31 NHTSA complaints that reported an odometer reading.
Safety recalls (4)
Visibility:sun/Moon Roof Assembly 2024-11-19 · campaign 24V874000 · 33,456 vehicles
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.
Risk: A detached sunroof panel can become a road hazard, increasing the risk of a crash.
Fix: 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 2022-12-23 · campaign 22V954000 · 131,653 vehicles
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.
Risk: A detached sunroof panel may become a road hazard, increasing the risk of a crash.
Fix: 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.
Visibility:sun/Moon Roof Assembly 2021-03-19 · campaign 21V196000 · 11,356 vehicles
Defect: 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. The bonding between the glass panel and the sliding roof frame may deteriorate, possibly causing the glass panel to detach from the vehicle.
Risk: A detached glass panel can separate from the vehicle and become a road hazard, increasing the risk of a crash.
Fix: MBUSA will notify owners, and dealers will inspect the glass panel bonding and replace the sliding roof, as necessary, free of charge. Owner letters were mailed May 7, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of recall number 19V-918. MBUSA's number for this recall is 2021040012.
Visibility:sun/Moon Roof Assembly 2019-12-20 · campaign 19V918000 · 747,928 vehicles
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
Risk: A detached glass panel can separate from the vehicle and become a road hazard, increasing the risk of a crash.
Fix: 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.
Service bulletins (50)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Service Brakes 2026-09-22 · LI42.10-P-078779 · Service Bulletin/Repair Instructions
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 distinctly different if it happens at all times or only while braking. cause although the cause of the vibra
Structure:body 2026-09-14 · LI82.62-P-078631 · Service Bulletin/Repair Instructions
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 with the door trim removed, then continue the diagnosis working towards the speaker and if necessary,
Structure:body 2026-08-06 · LI82.62-P-078631 · Service Bulletin/Repair Instructions
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 with the door trim removed, then continue the diagnosis working towards the speaker and if necessary,
Power Train 2026-07-14 · LI35.30-P-058566 · Service Bulletin/Repair Instructions
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 file in attachment cause if the complaint is eliminated by experimentally loosening the outboard collar n
Visibility/Wiper 2026-05-19 · LI82.30-P-059239 · Service Bulletin/Repair Instructions
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 (streaking) c: during the downward movement water is pulled back onto the windshield from the a-pillar
Exterior Lighting 2026-04-16 · LI82.10-P-078301 · Service Bulletin/Repair Instructions
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 impairment of the headlamp. if a pressure compensation diaphragm is fitted in the housing cover, then the l
Showing the 6 most recent of 50 bulletins. Search all of them free at nhtsa.gov.
What owners report
2021-08-23 · Exterior Lighting“i've just bought the car and it has only 70k, the engine doesn't want to go, it stalls but there is no check engine light on, i'll be driving and the car will just die, or start to diminish, and gas consumption , now all my lights fail, high beams, low beams, turn signals, brake lights one after another, so i go to auto zone to purchase lights and …”
2021-03-23 · Seats · 128,000 mi · 💥 crash“on 10/26/20 i was rear end, i own a 2006 clk 350 mercedes. i was sitting still in my , a car hit be in the rear causing my head restraint to deploy. from that dual impact, i sustain traumatic brain injury ,lumbar and cervical injury and diplopia ( double vision) ringing in ear (tinnitus) equilibrium,*dt…”
2020-08-14 · Visibility“tl* the contact owns a 2006 mercedes-benz clk350. the contact received notification of nhtsa campaign number: 19v918000 (visibility) however, the part to do the recall repair was unavailable. the local dealer mercedes-benz of modesto located at 3900 mchenry ave, modesto, ca 95356 was notified and the contact was informed that the part was not yet a…”
2020-03-18 · Air Bags:sensor:occupant Classification“the car-seat occupancy mat sensor which is built into the front passenger seat bottom is defective. the mercedes dealer told me that the replacement part is not available and the only way to fix the problem is to completely replace the seat at great expense. i was also told that since the srs system warning light is on the entire airbag system is d…”
2019-06-23 · Suspension“the dealer sold the car without disclosing the multiple safety issues pertaining to the car; such as, the supplemental restraint system, control arms, ball joints, engine instability, emissions deception, and odometer accuracy, and flood damage. during the generation of the purchase, the dealer insinuated the car was never involved in any accidents…”
2017-12-26 · Fuel/Propulsion System · 84,000 mi“i first thought someone had been stealing my gas until my car started to smell like gas. if i give someone a ride in my car, they make comments about the smell as soon as i start to drive. my coworkers have noticed the odor in when they pass by my car in the parking lot and the spots that it leaves on the ground. i took my car to the mechanic and h…”
2017-12-01 · Engine · 30,000 mi“tl* the contact owns a 2006 mercedes-benz clk350. the contact stated that the vehicle was equipped with a faulty balance shaft, which ultimately caused premature wear. after the vehicle was serviced for regularly scheduled maintenance, the check engine indicator illuminated. the vehicle was taken to mercedes-benz of orange park (7018 blanding blvd,…”
2017-06-22 · Engine · 77,914 mi“ mercedes benz vehicles manufactured between 2004 & 2007 & equipped with mercedes' m272 have a faulty balance shaft which was not properly anealed, causing premature wear. the subject engines were manufactured with defective gears in their balance shafts. these defective gears wear out prematurely, excessively, and can cause damage to other expens…”
2017-04-07 · Fuel/Propulsion System · 82,977 mi“on december 9, 2016 i took my 2006 mercedes-benz clk350 to the dealership because of a strong odor of gasoline coming from the back seat area. the dealership found the fuel smell was coming from the left rear fuel sending unit leaking. although i was aware of the extended warranty agreement between mercedes-benz and nhtsa covering leaking gas tank…”
2016-08-29 · Fuel/Propulsion System · 125,000 mi“tl* the contact owns a 2006 mercedes-benz clk350. the contact stated that there was an abnormal fuel odor in the vehicle. there were no warning indicators illuminated. the vehicle was taken to an independent mechanic where it was diagnosed that the fuel pump gasket was cracked and needed to be replaced. the vehicle was not repaired. the manufacture…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.