DEFECTIVE INTERNAL SPEED SENSOR DOES NOT SEND SIGNAL TO TCM(TRANSMISSION CONTROL MODULE) CAUSING LOSS OF POWER WHILE MOVING. THE ONLY WAY TO GET CAR GOING AGAIN IS TO SHUT OFF CAR AND RESTART HOPING IT WILL RESET. IF THIS WERE TO HAPPEN IN CONSTRUCTION ZONE WITH NOWHERE TO PULL OVER, MAY BE DEADLY.
2007 Mercedes Benz CLS550
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all CLS550 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
29 reports with mileage · 6 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Fuel/propulsion System. Review the 17 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Fuel System, Gasoline. Review the 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Power Train. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Power Train complaints
4 reportsDRIVING HIGHWAY SPEEDS AND SUDDENLY VEHICLE JERKED AND LOSSES ALL POWER. ENGINE REVS BUT DOESN'T MOVE. THIS CAN BE A VERY DANGEROUS SITUATION. TRANSMISSION WENT INTO 'LIMP' MODE AND CHECK ENGINE LIGHT LIT. MANY OTHER MERCEDES OWNERS REPORTING SAME PROBLEM WITH THE 722.9 TRANSMISSION VALVEBODY, CONDUCTOR PLATE, AND/OR TCM. THIS …
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DRIVING HIGHWAY SPEEDS AND SUDDENLY VEHICLE JERKED AND LOSSES ALL POWER. ENGINE REVS BUT DOESN'T MOVE. THIS CAN BE A VERY DANGEROUS SITUATION. TRANSMISSION WENT INTO 'LIMP' MODE AND CHECK ENGINE LIGHT LIT. MANY OTHER MERCEDES OWNERS REPORTING SAME PROBLEM WITH THE 722.9 TRANSMISSION VALVEBODY, CONDUCTOR PLATE, AND/OR TCM. THIS SHOULD BE INVESTIGATED AS COUNTLESS OTHER PEOPLE ARE REPORTING THIS SAME ISSUE FOR SEVERAL YEARS NOW.
BOUGHT THIS CERTIFIED CLS550 FROM KEYES EUROPEAN MERCEDES IN VAN NUYS,CA ON 11/23/2009 WITH 42000 MILES AS SOON AS I GOT THE CAR HOME I NOTICED THE FAN WAS OVERLY LOUD AND MY TEMPERATURE GAUGE WAS READING 110. CALLED DEALERSHIP THEY SAID FAN MOTOR ON THESE CARS ARE ALL EXTREMELY LOUD AND TEMP. SOUNDED OKAY. TWO WEEKS LATER I WAS…
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BOUGHT THIS CERTIFIED CLS550 FROM KEYES EUROPEAN MERCEDES IN VAN NUYS,CA ON 11/23/2009 WITH 42000 MILES AS SOON AS I GOT THE CAR HOME I NOTICED THE FAN WAS OVERLY LOUD AND MY TEMPERATURE GAUGE WAS READING 110. CALLED DEALERSHIP THEY SAID FAN MOTOR ON THESE CARS ARE ALL EXTREMELY LOUD AND TEMP. SOUNDED OKAY. TWO WEEKS LATER I WAS DRIVING WHEN I WAS ALERTED TO TURN OFF ENGINE IMMEDIATELY DUE TO CAR SERIOUSLY OVERHEATING. DEALER SAID IT WAS THE THERMOSTAT BAD ON CAR. ALSO BEEN HAVING TROUBLE WITH THE TRANSMISSION SINCE I BOUGHT CAR. KEEP IN MIND I HAVE ONLY HAD IT FOR ABOUT 47 DAYS NOW. THE SAME TIME THERMOSTAT WAS REPLACED THEY SAID A COMPONENT IN THE TRANSMISSION WAS BAD AND REPLACED IT. HAVE HAD MY CAR BACK FOR 4 DAYS NOW AND THE TRANSMISSION NO LONGER SLIPS, BUT IS JERKING HARD INTO BEGINNING GEARS. WILL BE TAKING CAR BACK TO BE CHECKED AGAIN! *TR
CATASTROPHIC FAILURE WITH SUDDEN LOSS OF POWER AND INABILITY TO PROCEED AT MORE THAN 20 MPH. IT HAS NOW RECURRED TWICE AND VEHICLE FLATBEDDED TO AGENCY. HAS BEEN IN SHOP FOR SIX DAYS WITH NO REPAIR. SERVICE MANAGER DENIES THAT THIS IS THE SECOND FAILURE BECAUSE HIS DIAGNOSTICS WERE UNABLE TO DETERMINE THE PROBLEM THE FIRST TIME.…
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CATASTROPHIC FAILURE WITH SUDDEN LOSS OF POWER AND INABILITY TO PROCEED AT MORE THAN 20 MPH. IT HAS NOW RECURRED TWICE AND VEHICLE FLATBEDDED TO AGENCY. HAS BEEN IN SHOP FOR SIX DAYS WITH NO REPAIR. SERVICE MANAGER DENIES THAT THIS IS THE SECOND FAILURE BECAUSE HIS DIAGNOSTICS WERE UNABLE TO DETERMINE THE PROBLEM THE FIRST TIME. *TR
Official recalls
424V874000 · Visibility:sun/moon Roof Assembly
Nov 19, 2024
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 & remedy
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.
22V954000 · Visibility:sun/moon Roof Assembly
Dec 23, 2022
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 & remedy
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.
21V196000 · Visibility:sun/moon Roof Assembly
Mar 19, 2021
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.
Consequence & remedy
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. 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.
19V918000 · Visibility:sun/moon Roof Assembly
Dec 20, 2019
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 & remedy
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.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.
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