Repairing and maintaining the Mercedes-Benz E-Class gearbox

The previous generations, which have contributed to the E-Class' reputation, are not to be outdone. As proof, the fifth version, marketed in 2017 and equipped with the E 63 S 4MATIC+ engine boasts no less than 612 hp. Acceleration to one hundred kilometers per hour takes just three and a half seconds!

To deliver such performance, the Mercedes-Benz E-Class relies on ironclad mechanics. However, a manufacturing defect or particularly intensive use can cause premature deterioration of a component, and the gearbox is no exception. In this article, find out how to deal with gearbox the easy way!

Special features of the Mercedes-Benz E-Class

Despite the great diversity of the models that make up the E-Class, these cars have one thing in common: their transmission. In fact, none of them offers front-wheel drive, where the power generated by the engine is received by the front wheels. Instead, the default choice is rear-wheel drivetransmission, i.e. to the rear wheels, for more intense acceleration and sportier driving.

All-wheel drive is also available. In this case, all four wheels are driven and the gearbox is assisted by a transfer case, which ensures an appropriate distribution of power.

Concerning the Mercedes-Benz E-Class gearboxit can be both manual and automaticwith up to nine gears. This automatic gearbox is the famous 9G-Tronic developed by the group and renowned for its reliability.

Gearbox maintenance for trouble-free driving

The importance of changing gearbox oil

Gearbox oil, or transmission oil, is an essential fluid for the proper operation of your Mercedes-Benz transmission. It performs three major functions:

• Lubrication of all system components that make up the system;
• The dissipation of heat generated during driving ;
• Cleaning components thanks to its detergent properties.

For these reasons, it's important to check the gearbox oil punctually, both in terms of quality and quantity. The visual markings on the dipstick in the reservoir are a good indicator: if the fluid is below these marks, it's possible that a leak is affecting your vehicle. a leak may be affecting your vehicle. Similarly, if the oil is blackened, it means it's saturated with metallic residues, and needs changing.

An automatic gearbox needs to be serviced every two years, or after 60,000 kilometers, to maintain its health. A manual gearbox is more robust A manual gearbox is more robust: expect to change the oil every five years for peace of mind.

How do I change my gearbox oil?

You can change the gearbox oil yourself, with just with a minimum of tools. To do this :

• Check that your gearbox oil is compatible with your transmission system;
• Stop the vehicle and elevate it;
• Place a drip tray under the oil sump and unscrew the drain plug before letting the oil drain out;
• Close it, then open the filler cap and pour in the new oil. using a funnel.. Make sure the level is correct, using the visual markings on the dipstick;
• When the operation is complete, let your engine warm up for a moment, then take care to shift through all the gears (don't forget reverse) to check that everything's working properly. Inspect the floor to make sure there are no leaks.

If you don't want to change the oil yourself, you can drop your car off at a garage: this is a routine routine operationquick and inexpensive.

Gearbox repair: cases of advanced wear

Changing the gearbox oil is the answer to a large number of problems associated with the transmission system of the Mercedes-Benz E-Class. However, a more complex malfunction may be at the root of a breakdown. In this case, your mechanic will advise you to carry out a complete complete replacement of the gearbox.

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