Is the Mercedes 7G transmission reliable?
Is the Mercedes 7G transmission reliable?
This is a very common fault for Mercedes vehicles fitted with the 7G-Tronic automatic transmission with gearbox code – 722.9, often causing the transmission to hold too long in one gear before aggressively forcing the next gear into place, this causes a very rough and jerky gear change.
What is 7G-Tronic Plus transmission?
The 7G-TRONIC PLUS automatic transmission has seven gears which keep the engine speed as low as possible in every driving situation. The wide gear ratio range and finely graduated gears reduce the leaps in revs when changing gear. This leads to comfortable gear-changing and saves fuel.
What does G Tronic Plus mean?
7G Tronic Plus is the 2nd generation seven speed Mercedes transmission ECU/TCU designed to help improve fuel economy and deliver smoother shifting. Commonly when the 7G Tronic Plus conductor plate fails it will cause gears to stick before instigating a harsh gear adjustment causing rough and jerky gear change.
What does 7G-Tronic mean on Mercedes-Benz?
seven-speed automatic transmission
7G-Tronic is Mercedes-Benz’s trademark name for its seven-speed automatic transmission, starting off with the W7A 700 and W7A 400 (Wandler-7-Gang-Automatik bis 700 oder 400 Nm Eingangsdrehmoment; converter-7-gear-automatic with 516 or 295 ft·lb maximum input torque; type 722.9) as core models.
What is the difference between 7G Tronic and 9G Tronic?
The 7G-TRONIC PLUS automatic transmission relieves the driver of manual gear-changing and convinces with soft, almost unnoticeable gear changes. The 9G-TRONIC automatic transmission has nine gears which keep the engine speed as low as possible in every driving situation.
What is a TCM on a Mercedes?
Mercedes can develop problems with the Transmission Control Module (TCM), which is an important component of any vehicle with an automatic transmission system. Put simply, the transmission control module is basically a computer which communicates information to other computer systems within the vehicle.
What automatic gearbox does Mercedes use?
The 9G-TRONIC automatic transmission from Mercedes-Benz is the world’s first automatic transmission to feature a hydrodynamic torque converter. The transmission transfers torque using a fluid, rather than a mechanical clutch.
What transmission Mercedes use?
Since the 1990’s, Mercedes-Benz have used Tiptronic transmission technology in their cars. The current version, the 9G-Tronic nine-speed automatic transmission, was introduced in 2013.
What is 8G Tronic?
The 9G-Tronic is the pinnacle of the Mercedes technology and it comes standard with various models and equipment lines. Anyhow, the 8G-Tronic is set to fill the gap between the 7 and the 9G-Tronic. Rivals BMW and Audi offer customers an 8-speed transmission, so Mercedes is joining the elite club.
What is a Tronic transmission?
What is S tronic? S Tronic is a dual clutch, direct-shift gearbox (DSG) that allows your Audi to combine and/or switch between automatic and manual transmission. The dual-clutch, seven-speed gearbox facilitates smooth yet rapid shifting with next to no interruptions in the power flow.
What gearbox does Mercedes use?
How much does a TCM cost?
The replacement cost of a transmission control module will be anywhere from $500 to $900. You can expect the parts costs to be around $450 to $700 while the labor costs will be around $50 to $200. Of course, you can order a new TCM online and ask a mechanic what their hourly labor rates are.
What is a 7G-Tronic transmission?
7G-TRONIC is Mercedes-Benz ‘s trademark name for its seven-speed automatic transmission. This fifth-generation transmission was introduced in the Autumn of 2003 on 8-cylinder models, and was the first seven-speed automatic transmission ever used on a production vehicle.
How much fuel does the 7G-Tronic save?
The company claims that the 7G-Tronic can save up to 0.6 litres 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.
What kind of transmission does a Mercedes Benz 7gronic have?
The 7G-Tronic is the fifth-generation transmission for Mercedes-Benz. The automaker has produced over eleven million automatic transmissions since 1959. About 65 percent of Mercedes-Benz C-Class sedans, wagons, and sport coupes are purchased with automatic transmissions (with that figure rising.)
What is the reverse gear ratio of the 7G-Tronic?
The 7G-Tronic has two reverse gear ratios: 3.416 and 2.231. The winter mode, also recently named ‘comfort’ mode, starts out in 2nd forward and 2nd reverse. The transmission can skip gears when downshifting, allowing for quicker acceleration.
