2007 Mercedes-Benz CLS550 Fuel system Problems
- Complaints
- 24about this part
- Share
- 69%of 35 total for the year
- Median mileage
- 61,585miles
- Trend
- RisingComplaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.
NHTSA recorded 24 complaints about the fuel system of the 2007 Mercedes-Benz CLS550, 69% of the 35 complaints for this model year. Where a mileage was given, the median is 61,585 miles.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I've had this vehicle for years. Each time I fillup, there is a very intoxicating smell of fuel inside and outside the vehicle. I was reading up on it and seems to be a common problem. This is a true health hazard as you cannot breathe right because of the fumes. Not to mention the chances of it catching fire.”
NHTSA complaint #10619476, filed 2014-08, 14,000 miles“After filling up my car with gas I noticed a very strong smell of gas after I turned my car off. The garage smelled so bad I had to open both doors. I did not notice any leaking. I see some other cars like mine have the same problem. This is dangerous and a health issue. Mb so do a recall on this issue.”
NHTSA complaint #10563191, filed 2014-02, 128,000 miles“I filled my car up sunday and parked it in the garage, the following morning there was a strong fuel smell that permeated the garage and all around the car. I looked for leaks found none. The smell was coming from under the seat on the drivers side rear. I reviewed some online forums and noticed this seems to be a common occurence with these vehicles. This is very dangerous and a saftey hazard.”
NHTSA complaint #10618083, filed 2014-08, 61,325 miles“When I fill my vehicle up with gas, the fumes fill up my car and my garage. After I drive my car and the gas goes down to 3/4 a tank, the fumes reside. I can only fill my car up 3/4 of a way without the fumes entering my car. I took my car to the dealership and they removed the back seat and saw that the gas was filling up under the seat. They found a leak at the fuel gauge sending unit. The sending unit needs to be replaced.”
NHTSA complaint #10563189, filed 2014-02, 101,709 miles“I owned 2007 mercede CLS550. I notes a strong gas smell inside and out side the car after I fill it up. I replaced the fuel cap but no help. Fumes fill up my car and my garage every time I fill up now.”
NHTSA complaint #10862891, filed 2016-05, 58,700 milesRelated service bulletins
- 10058130Jun 10, 2015Mercedes-benz model years 2003-2009 model 211, model years 2006-2011 model 219: fuel odor in the area of the fuel tank . Warranty extension has been issued on fuel tank…
- 11031595Jan 10, 2015In our continuing efforts to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC (MBUSA) has decided to extend the warranty for certain fuel tank components in…
- 11031732Jan 9, 2015In our continuing efforts to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC (MBUSA) has decided to extend the warranty for certain fuel tank components in…
- 10016670May 1, 2009Mercedes: the fuel level indicated in the instrument cluster does not match the actual fill level. This may be caused by a fault in the fuel level sensor function chain…
Fuel system: other model years
Other parts of the 2007 Mercedes-Benz CLS550
4 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