Date registered: May 2017
Vehicle: 2008 E300 4Matic
Location: Vancouver, BC - Canada
Mentioned: 0 Post(s)
Quoted: 25 Post(s)
722.6 lock-up clutch slipping (never closed)
I hooked up a computer to my 722.6 transmission and found that the torque converter never locks. Can anyone advise on this, please?
Basically, when the gear is in park or in neutral, the computer shows: Lock-up clutch is open (image attached), but while driving, it is always "slipping". I drove the car on the highway at 70-75 miles/h (110-120 Km/h) and never got the torque converter to lock.
I am inclined to flush the transmission fluid especially at 136K miles (218K Km) with no reference of this service in my records from the previous original owner.
Any help is appreciated.