Mercedes-Benz A-Class gearbox maintenance tips

This third version is replaced by the latest model, the A-Class Type 177launched in 2017 and featuring acompletely redesigned interior for the occasion. It can be equipped with a seven- or eight-speed automatic gearbox, depending on the model and production year, or a more conventional six-speed manual gearbox.

The expertise of the Mercedes-Benz Group group, the gearbox fitted to the A-Class is renowned for its reliability. However, malfunctions can occur. Find out in this article how best to maintain your gearbox and adopt the right reflexes in the event of a breakdown.

Daily vigilance for a well-preserved gearbox

Know how to spot the warning signs of a breakdown

Gearbox failure Mercedes-Benz A-Class gearbox gearbox is usually accompanied by warning signs that should alert you. If you know how to spot them, you'll be able to deal with the problem as quickly as possible and prevent the fault from spreading to other components in the transmission system.

The signs to watch out for can occur singly or in combination:

• Vibrations felt in the cabin. Pay attention to when they occur (at a particular speed or in neutral, for example);
• Resistance of the clutch pedal or gearshift;
• A gear that skips or refuses to engage altogether, a gearbox that downshifts by itself to the previous gear ;
• A variety of noises when driving (rattles, squeaks, whistles, squeaks, etc.);
• The presence of oil leaks under the vehicle;
• A general lack of power A general lack of power: gears take a long time to engage, and acceleration is sluggish.

The more precise your description of symptoms, the more you can help the professional mechanic in making a diagnosismaking it easier to take your car in for service.

Applying the right gestures when driving

As the manual gearbox is accompanied by a particularly busy clutch pedal and gearshift, it is more subject to to operating errors made while driving.

So it's important to anticipate the road as much as possible, to avoid unnecessary gestures or acceleration. Similarly, clutch pedals and gearshift levers should be operated with wide, supple gestures It's a good idea to go with the flow, without forcing.

For frequent stops, always a systematic shift into neutral rather than keeping first gear engaged, to relieve pressure on the clutch pedal. Similarly, don't let your hand rest on the gearshift when you're not using it. Far from being insignificant, this seemingly trivial gesture is enough to bring the internal components of the transmission of the transmission system, accelerating wear and tear.

If your car is fitted with an automatic gearboxnever attempt to engage an alternative gear (park, noted (P), or reverse, noted (R)) when the car is not at a complete standstill.

Troubleshooting and advice from a professional mechanic

Garage repairs: the most common case

Most gearbox-related faults are not serious and can be repaired in the repaired in the garage. This may involve replacing a worn part or changing the gearbox oil. Gearbox oil is essential to the smooth running of your car, and should be changed periodically. This is because gearbox oil has detergent properties and becomes saturated with metal particles over time: replacing it often gives your gearbox a new lease of life!

Complete gearbox replacement for advanced failures

If your gearbox is particularly damaged, you will need to proceed with a complete replacement. To do this, consider our reconditioned gearboxes ! After dismantling, inspecting and cleaning the box piece by piece, our experts have rigorously tested it. The result: a product that's as good as new, but at second-hand prices, and guaranteed for twelve months.

Contact us for more information. It's quick and easy: all you need is your vehicle registration number !