It is never enjoyable to acknowledge a sound on your automobile that you don’t know where it comes from. You may be wondering what to do when you detect a reversing gear noise that lasts on your Mercedes Benz CLS Class? Any gearbox problem can be important, but before making sure, it is better to do a few investigations. Our team has made this paper to help you resolve it. First, we will see what the sources and the different gearbox noises can be on Mercedes Benz CLS Class, and second, what are the solutions available to you.
Classical reverse Mercedes Benz CLS Class noises and some tips to preserve your gearbox
Why does the reversing of my Mercedes Benz CLS Class make a different noise from my other speeds?
De facto, adding all gears, bearings and pinions into a gearbox is a difficult exercise. The noise generated by the reversing of your Mercedes Benz CLS Class is logical. It can be explained in a fairly simple way. Indeed, the gears used for conventional speeds (1st to 5th or 6th) are so-called “helical” gears (oblique gears) . The use of such a pinion makes the noise caused by the gears much less important than with spur gears implemented for the reverse gear.
Tips to reduce wear on your clutch and gearbox
- Don’t give a big boost:
Indeed, if you kick the throttle hard when you are in reverse or when you put the automobile in the revs, you risk to burn your clutch or gnawing at the gearbox pinions. - Never reverse while the automobile is in motion or vice versa:
Reversing the direction of operation of the gearbox during operation is a very bad choice. Indeed, the pressure you will exert on the gears will be monumental and you will create a premature wear and tear of the gears. You can even break the gears of your gearbox at speed by doing so. It will therefore be completely normal if you experience a reverse noise on your Mercedes Benz CLS Class if you shift gear under these conditions.
Diverse Mercedes Benz CLS Class reversing noises and their triggers
Finally in this section, we will move on to what you are probably most curious about in this article, to learn about the origin of reversing noise on Mercedes Benz CLS Class. Here are the 3 typical sounds you may be victim of.
I notice a grinding noise when starting in reverse gear
If you acknowledge a grinding noise when you start in reverse with your Mercedes Benz CLS Class, it may be the engine mounts that are tired. In fact, when the engine is in reverse gear, due to the pinions we saw above the vibrations generated by the gearbox are higher and it is therefore conceivable that due to their wear the silentblocks no longer absorb the engine vibrations well. In this case, do not hesitate to consult this article for more info about strut mount noises on Mercedes Benz CLS Class.
An increased reverse knocking noise on Mercedes Benz CLS ClassX
If you are subject to a knocking noise when you are in reverse with your Mercedes Benz CLS Class and this noise tends to increase as you gain speed. It is conceivable that you are experiencing a serious problem that needs to be resolved right away before ruining your entire gearbox. Indeed, an intensifying rattling noise means that the gears are damaged. If they are, debris will disperse to the rest of the box and damage other gears quickly. Take your automobile to your mechanic quickly or browse this article about gearbox noise on Mercedes Benz CLS Class for more details.
I acknowledge a noise when I go in reverse
Hearing a noise when you shift into reverse is normal and connected to the gears and sprockets used in the gearbox. If, on the other hand, you have the feeling that your Mercedes Benz CLS Class reverse gear makes more noise than before, it is conceivable that filings have been created and are moving around in it. It is therefore time to empty the box.
