Troubleshooting gearbox malfunctions on the Mercedes-Benz R-Class

Driving comfort is ensured by a unique gearbox model: the 7G-Tronicalso developed by the Mercedes-Benz Group. As its name suggests, this automatic gearbox features seven gear ratios. It is also the very first gearbox to offer such a large number of gears for cars designed for the general public! Since its launch, the 7G-Tronic has earned a reputation for reliability and robustness. Unfortunately, it's not impossible for a design flaw or particularly intensive use to cause a malfunction. How can we solve the problem? What should you do? ? EDEN BOITES explains it all in this article!

Daily gearbox maintenance

Special attention to warning signs

A problem with the Mercedes-Benz gearbox is usually accompanied by one or more warning signs that you need to be aware of. The sooner you act, the less likely it is that the problem will spread to other parts of the transmission system. For this reason, special attention is recommended. Pay particular attention to

• À the appearance of various noisessuch as rattling, grinding or squeaking. Pay close attention to these differences, as they can help a professional mechanic in his diagnosis;
• Car slip, especially when starting;
• vibrations felt in the cabin while driving;
• Burning smells and oil leaks under the vehicle;
• A general drop in your car's power output (gears that are slow to engage, sluggish acceleration and engine revving).

Good driving habits

Since your car does not have a manual gearbox, the risk of damaging it while driving is minimal. damage while driving are minimal.. Nevertheless, you should remain vigilant and never attempt to engage an alternative gear (reverse or park) when your vehicle is not at a complete standstill. You could seriously damage the transmission system.

In addition, remember to regularly inspect the gearbox oil level. This fluid is responsible for the proper lubrication of the parts that make up your gearbox, and its detergent properties help clean them. So it's important that gearbox oil is present in sufficient quantity in the system: it must be between the two visual marks placed on the dipstick, itself present in the oil reservoir.

You should also check the quality of the oil. Once it has become too black, it is saturated with metallic particles. It's time to change the oil.

Please note that with normal use of the Mercedes-Benz R-Class gearboxgearbox, oil changes are recommended every 60,000 kilometers or every two years, whichever comes first. Your mechanic can carry it out, but it's also possible to do it yourself with a minimum of equipment.

Advanced fault management

Most gearbox-related faults are not serious and can be repaired directly repaired directly by the garage (e.g. changing a wearing part or the gearbox oil). However, in cases of more advanced wear, your mechanic will advise you to replace the entire gearbox. There are several options available.

Buying a new box is often the first reflex, because in addition to being presumed reliable, the product is under warranty. However, this option has two major drawbacks: a high price and long delivery timesThis is because factory-built boxes are primarily intended for new cars.

Opting for a second-hand box is to be avoided at all costs. If you can't check that the gearbox is working properly before having it installed in your vehicle, you'll have no idea of its quality. As a result, you could end up with a gearbox that's out of order, or close to it, with no recourse.

Discover our reconditioned gearboxes. Our experts take each one apart, part by part, for a thorough cleaning and inspection. inspection. The components to be replaced are replaced, and the gearbox is then thoroughly tested.

You benefit from a like-new productbut at a close-to-second-hand price! As an added bonus, your new box comes with one-year warranty and we take back the old one for recycling at no extra charge.

To find out more, contact a EDEN BOITES advisor: it's quick, easy and no obligation ! All you need is your vehicle registration number.