2008 Mercedes Benz Cls550 problems, complaints & recalls
Most-reported problem areas: Fuel/Propulsion System (5) · Suspension (2) · Air Bags (2)
🧭 Reliability snapshot
Compared against other Mercedes Benz Cls550 model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (3)
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 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 (73)
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 73 bulletins. Search all of them free at nhtsa.gov.
What owners report
2025-01-24 · Fuel/Propulsion System“the failed component of the car was the drivers side fuel transfer pump. after noticing the faint smell of gas in my car i checked under the rear driver side passenger seat. i was shocked to find more than 16 fluid ounces of gas floating freely around the well of the gas pump.the insulation under the rear passenger seat is soaked in gas. i can on…”
2024-05-30 · Power Train“i bought a 2008 mercedes cls and have had it for a while now and with no warning it has started making a banging noise while idling. it idles very rough and shakes my car. i'm unable to drive it safely at this point. the engine is also mimicking symptoms of an idler gear/ balance shaft wearing down due to poor building materials from factory allowi…”
2023-09-28 · Electrical System“i see there was a recall on instrument clusters on my vehicle in 2001. my instrument cluster is completely black and i can’t see speed or any thing at night. you cant replace the bulb or cluster unless mercedes reprogram it which the price is rediculous. i did some research and seen that mercedes did some recalls for my vehicle but it doesn’t show …”
2022-05-22 · Unknown Or Other“my doors will open without the keyfob being in close proximity to the vehicle. my car has been stolen d/t this feature. also the electrical lighting system malfunctions causing dimmer lights especially when driving at night…”
2020-08-06 · Electronic Stability Control (Esc) · 95,000 mi“my airbags deployed after on day of driving home from a day babysitting my niece and nephew i got home parked my car in the garage and that whole night from 11 at night untill about 330 in the morning the loudest sound i've ever herd the equivalent of a bomb detonation explosion went off and im 10 15 feet away painting my garage and next thing i kn…”
2020-07-23 · Engine · 100,000 mi“tl* the contact owns a 2008 mercedes-benz cls550. the contact stated that at start-up the check engine warning light illuminated and remained illuminated. the vehicle was not taken to be diagnosed nor repaired. the local dealer was not contacted or informed of the failure. the manufacturer was made aware of the failure. the failure mileage was appr…”
2019-05-31 · Air Bags · 89,995 mi“the airbags located in the roof just deployed out of no where when i was on my way home from work only the 2 side curtain airbags…”
2018-08-30 · Tires · 98,000 mi“tl* the contact owns a 2008 mercedes-benz cls550 equipped with continental extremecontact sport tires, size: 245/40/zr18 (na). while driving 45 mph, the tpms warning indicator illuminated and the rear passenger tire blew out. the vehicle was taken to mercedes-benz of stockton (located at 10777 trinity pkwy, stockton, ca 95219, (209) 944-5511). the …”
2017-08-14 · Air Bags · 75,000 mi“have gotten airbag code b9223. drivers side iginition squib resisted center is high r12/9 message. took it to.local.mb dealer and they want $1800 to fix a airbag problem, which is something that should be defect free regardless of warranty. this is an ongoing issues with mb and it honestly seems that this is done deliberately to generate revenue…”
2017-04-24 · Suspension · 230,000 mi“please advise of any mercedes benz recalls on air suspension issue with cls class vehicles, in particular, cls550 model. there seems to be a recurring issue with leak or malfunction with hydraulic air suspension causing vehicle to lean to one side and incur warning of "stop vehicle is too low".…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.