People may ask; what is a Tiptronic Transmission Gearbox? Tiptronic allows the driver to override the automatic mode of the gearbox by moving the gear lever into a second (Tiptronic) shift gate and that permits downshifting to increase the braking effect of the engine or for more performance. Most people do not really understand it but we smile and enjoy the effects of it. Mercedes-Benz first used it in their 2005 Mercedes-Benz SLK 55 AMG and they called it 5G-Tronic. Then in 2007 the 7G-TRONIC transmission with AMG SPEEDSHIFT came out and was called ‘7G TRONIC Sport.
7G-Tronic is Mercedes-Benz’s trademark name for its seven-speed automatic transmission. This fifth-generation transmission was introduced in 2003 on 8-cylinder models and was the first seven-speed automatic transmission ever used on a production passenger vehicle. The 7G-Tronic debuted on five different eight-cylinder models and they are the E500, S430, S500, CL500, and SL500. It is also available on some of their six-cylinder models including the 320 CDI engines. Mercedes-Benz claims that the 7G-Tronic can save up to 0.6 liters of fuel per 100 kilometers, depending on the car, and has shorter acceleration times and quicker intermediate sprints than the outgoing 5-speed automatic transmission. The 7G-Tronic has two reverse gear ratios: 3.416 and 2.231. Then there is a winter mode, also recently named ‘comfort’ mode, which starts out in 2nd forward and 2nd reverse.
The transmission can skip gears when downshifting. It also has a lockup torque converter on all seven gears, allowing better transmission of torque for improved acceleration. Mercedes-Benz transmission’s case is made of magnesium, a first for the industry, to save some weight on the engine.
Mercedes-Benz’ announced the new 9-speed 9G-TRONIC in 2013, the first rear-wheel-drive nine-speed automatic transmission with torque converter, is making its debut in the E 350 BlueTEC as the standard transmission paired with the 185 kW V6 diesel engine. The 9G-TRONIC represents the seventh automatic transmission generation from Mercedes-Benz. As you can see when it comes to transmission gearboxes there is no say when it will end and Mercedes-Benz are likely busy with the next generation.