Table 1 shows three common power train related problems of the 2007 Mercedes Benz CLS550. The number one most common problem is related to the automatic transmission control module (two problems). The second most common problem is related to the transmission gear slipping (one problem).
| Problem Category | Number of Problems |
|---|---|
| Automatic Transmission Control Module problems | |
| Transmission Gear Slipping problems | |
| Automatic Transmission problems |
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. Read details...
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. Read details...
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 Read details...