What does 7G DCT mean on Mercedes?
dual clutch transmission
Mercedes-Benz A-Class. The dual clutch transmission combines the comfort of a 7-speed automatic transmission with the dynamic handling of a manual gearbox. It makes fast and smooth gear changes without interruptions in tractive power possible.
Is 7G Tronic good?
The company claims that the 7G-Tronic is more fuel efficient and has shorter acceleration times and quicker intermediate sprints than the outgoing 5-speed automatic transmission. It also has a torque converter lock-up on all seven gears, allowing better transmission of torque for improved acceleration.
What does DCT mean in Mercedes?
dual-clutch transmission
A dual-clutch transmission (DCT) (sometimes referred to as a twin-clutch transmission) is a type of multi-speed vehicle transmission system, that uses two separate clutches for odd and even gear sets.
How do I reset my 7G Tronic transmission?
Procedure Reset Transmission Adaptive Learning DIY
- Turn the key to position 2. You should see all the dash lights come on.
- Press the gas pedal all the way.
- Wait.
- Turn key to OFF, position 0.
- Release the gas pedal.
- Wait 2 minutes.
- Start the car and drive.
How long does a dual clutch transmission last?
The dual-clutch system is a robust, smooth and efficient transmission. If used properly, it should last 10 years without a problem, even with hard driving.
What is 8G DCT?
The 8G-DCT has a new, fully-integrated direct control with potted electronics. This uses small magnets to aid faster actuation for shorter response times at reduced weight. The 8G-DCT has dry sump lubrication. A light-weight transmission oil with lower viscosity is used.
Are Mercedes automatic gearboxes reliable?
Unlike many other car manufacturers, Mercedes only use automatic transmissions they have built themselves. These are generally very reliable, as long as these transmissions are serviced regularly.
Why does my automatic car take long to change gears?
Shifting delays are often caused by many things but most commonly due to poor maintenance or high mileage. Transmission fluid, in addition to acting as a coolant, keeps internal seals lubricated to help prevent hardening or wearing out. The first thing to do when you notice a delay is to check your transmission fluid.
What are the gears in a Mercedes 7G DCT?
The K2 in this DCT also drives reverse. Output shaft 1 in this transmission contains 4th, 2nd, 1st and 5th gears. Output shaft 2 contains 7th and 3rd, rev and 6th gears.
Can a DCT ruin a dual clutch transmission?
But, a dual-clutch transmission is more like a manual transmission than automatic. And if you don’t treat it properly, you could permanently damage it. Some of your current driving habits could ruin a dual-clutch transmission. If you’re doing any of the following and your car has a DCT, cut it out!
What is the 7G Tronic PLUS transmission supposed to do?
The 7G Tronic Plus is the successor of the 7G Tronic transmission. It is supposed to help improve the fuel economy and provide smoother shifting. It provides zero slip at the torque converter lock-up clutch. A new transmission fluid was developed for the 7G Tronic Plus. 1
Are there any problems with the Mercedes 722.9 7G Tronic automatic transmission?
Below you will find a list of common problems with the Mercedes-Benz 722.9xx 7G Tronic 7-Speed Automatic Transmission. This list if for reference only. If you are experiencing problems with your Mercedes-Benz it is important to also read the fault codes from the automatic transmission unit via the OBD-II port located under the dashboard.
