2007 Mercedes-Benz CLS550 Transmission and drivetrain Problems
- Complaints
- 4about this part
- Share
- 11%of 35 total for the year
- Median mileage
- 43,300miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the transmission and drivetrain of the 2007 Mercedes-Benz CLS550, 11% of the 35 complaints for this model year. Where a mileage was given, the median is 43,300 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“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. …”
NHTSA complaint #10299073, filed 2010-01, 42,000 miles“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.”
NHTSA complaint #11163610, filed 2018-12, 116,000 miles“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.”
NHTSA complaint #10246439, filed 2008-10, 5,000 milesRelated service bulletins
- 11035005Jul 14, 2026Single 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…
- 11019018May 21, 2025Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse…
- 11013298Jan 16, 2025Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse…
- 11013332Jan 15, 2025Complaint 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…
- 10167510Feb 28, 2014The vehicle cannot be started The vehicle may start by itself shortly after the startup attempt with a delay, as the relay can be late closing. and/or The gear selection is…
- 10167547Jul 26, 2013Shift quality complaints and/or automatic transmission in limp-home mode in combination with one or more of the following fault codes: P060600, P072200, P072300, P072364…
- 10021381Feb 1, 2007Check transmission control module software and update if necessary (722.9 transmission); update engine control module software as required (m273 engine).
Transmission and drivetrain: other model years
Other parts of the 2007 Mercedes-Benz CLS550
24 complaintsElectrical system
2 complaintsEngine cooling
2 complaintsOther or unknown
2 complaintsSuspension
2 complaintsAir bags
1 complaintsElectronic stability control
1 complaintsEngine
1 complaintsSteering
1 complaintsTires
1 complaintsVehicle speed control
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2007 Mercedes-Benz CLS550
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology