Photographed by Ronald Denes

The Mercedes Benz Air Suspension System

The air suspension system of the Mercedes-Benz brand of vehicles is a very special feature of the Mercedes-Benz brand, it is something that makes a great difference and something that has made Mercedes-Benz stand out from other brands of vehicle over the years and to this day.

The Mercedes-Benz air suspension system is designed to maximise the comfort of each journey and this is generally achieved by a system that can quickly compress and release air in order to manipulate the vehicle’s suspension.  Upon manipulation the vehicle’s suspension adapts to the road’s conditions during every driving situation, producing great comfort for all passengers.

If you are within a Mercedes-Benz vehicle for a journey or if a Mercedes-Benz vehicle is driving past you, then you may hear its air suspension system at work.  Amongst many things, over the years Mercedes-Benz has also been known for providing great ride comfort for passengers within their vehicles.

Air Suspension Components Generally

The components of air suspension systems vary with Mercedes-Benz models and also with vehicle brands.  Listed below are general examples of air suspension components that you may have heard of:

Air Suspension System – replaces a vehicle’s coil spring suspension with air springs for air suspension.

Air Valve Block – distributes air from the air suspension system’s compressor to the air struts or air springs.

Air Spring – typically made of rubber, they contain pressurised air to act as coiled springs do, playing a part in the vehicle’s height adjustment and the management of different road situations and loads.

Air Strut – functions to dissipate vibrations of the vehicle following shocks absorbed via coiled springs.  Can refer to a combination of air spring with shock absorber(s), but can also refer to only the shock absorber.

Shock Absorber – dissipates the motion within coiled springs, but note that they do not carry the vehicle’s weight.

Compressor – an electric pump that feeds air through a series of compressed-air lines, it draws in air from outside of the vehicle and compresses it before pumping it around to air struts or air springs.  Often has a drier attached for managing moisture within inwardly drawn air.

Lines – help to move compressed air to assigned destinations about the vehicle’s air suspension system.

Valves – entry-points for air entering the various parts of the air suspension system.  They play a critical part in isolating and controlling how and where air is directed.

Solenoids – form a part of electronically controlled systems that increase/decrease the air within each air bag.

Electronic Control Module – software used to control electronic air suspension systems.  The modules receive data from monitors about the vehicle which notice things like pressure, vehicle height, laden weight and perhaps more.  In reliance on the noticed data switches the compressor on and off as needed.

When Your Air Suspension System Needs Replacing

After some time there has been an amount of use that will require an air suspension system to be replaced with a new one, and this might be so that the comfort enjoyed within your Mercedes-Benz or other brand of vehicle is enjoyed to the maximum and to the extent intended by its manufacturer.

You may be ready to replace your vehicle’s air suspension system because of signs that you notice personally or because of warning signs given by the vehicle itself or following the recommendation of an expert.  Below are examples of telling signs which indicate that items of a vehicle’s air suspension system may need to be replaced:

Sagging Vehicle – when a vehicle featuring air suspension is sagging or riding lower than usual it indicates that the pressure of the air contained by the vehicle’s air springs and air bags is less than it should be, which indicates a problem with the compressor or a problem with air leaks somewhere, but generally that a replacement of some kind is required.

Hydraulic Fluid Leaks – leaks of this kind could mean that a strut is damaged, if so then fluid will be noticed at the strut itself.  Oil leaks can be more difficult to notice, so if you have reason to believe that oil is leaking from your suspension system or from your vehicle generally, take your vehicle to a professional for a proper check.

Bumpier Rides – as struts wear out and deteriorate a vehicle’s air suspension system becomes less able to cushion road irregularities to create the most comfortable rides, so if your rides feel less comfortable, more bumpy and if the sounds of bumps and metal are more audible, it indicates that a problem with your air suspension system exists, and it is likely that your struts need to be replaced.

Uneven Wear of Tyres – a deteriorating strut is less able to support a vehicle’s weight, so an extra force of weight pushes the vehicle’s wheels and tyres harder to the ground to cause uneven tyre wear as well as damage to the wheel.  If you notice a pattern of uneven tyre wearing, check for damage to the particular wheel and note that it is a sign indicating problems with your vehicle’s suspension system – something needs to be replaced.

Failing Compressor – the air compressor item provides an air suspension system with the compressed air that it needs to function, making it an essential item.  If the compressor works erratically, stops working or will not be switched on, it is a problem that will greatly affect the air suspension system and it would be an indication that the compressor item needs to be replaced.

Failed Air Strut – when the seal within a strut begins to deteriorate it will cause leaks and air from the compressor will escape, this can be audibly noticeable by hissing sounds and visibly noticeable by the vehicle being low in an unusual way – if both struts are damage the vehicle can low on both sides, but if one strut is damaged it can be lowered just on the side of the damaged strut.

Leaking Lines – cracks within the lines which supply compressed air to air struts will lead to air leaks and a flawed air suspension system.

Faulty Level Sensor – when level sensors fail, the air suspension control until will be unable to recognise the measure the vehicle’s height, leading to warnings from the Mercedes-Benz dashboard about air suspension failures even if the vehicle’s height is fine and the vehicle is riding fine.

Diving, Rolling or Squatting – if your vehicle dives (leans forward) when you brake, rolls to a side (leans from side to side) when you take corners or squats (leans backwards) when you accelerate, it indicates the possibility of a problem with your vehicle’s strut and shock absorber items.

Working With a Mechanic

A mechanic for vehicles is the kind of expert that can identify and resolve air suspension problems, and when it comes to making repairs they may quote you a price which includes the cost of any parts that need to be replaced.

You can be proactive and you may save yourself some money if you can provide the mechanic with the air suspension parts yourself.  In order to have this privilege you will need a source to obtain your Mercedes air suspension parts from.

Explaining My Recommendation

I know an organisation that offers air suspension parts for Mercedes Benz vehicles, and having studied their business I can safely recommend them as a source of high quality products as well as a source of excellent customer service.

The first reason why I recommend this organisation is the ease of access to their air suspension products.  They offer high quality air suspension solutions at reasonable prices, with a fast delivery, to over 100 countries.  So from any country where your order can be accepted, you can receive the parts you order fairly quickly.

The second reason why I recommend this organisation is that they offer a 30-day money back guarantee as well as a two-year warranty for products sold.  For two years you will be entitled to a replacement of parts if anything goes wrong and if for any reason you change your mind about what you have bought, you will be entitled to a full refund so long as you act within 30 days of making your purchase.  It sounds good to me.

The third reason why I recommend this organisation is they have so many positive Trustpilot reviews which reflect that their business has made thousands of customers around the world very happy.  For this reason I am assured that it is highly likely that you too will be very happy with the business of this organisation.

The fourth reason why I recommend this organisation is because not only do they supply air suspension parts for Mercedes-Benz vehicles, they also offer air suspension parts for numerous other vehicle brands, like BMW, Citroen, Bentley, Lexus, Porsche, Audi and Jaguar to name a few.  They have a system where they identify the parts that your vehicle needs based on the model and the year in which it was made.  I see this supplier as being of some convenience to car experts because they make it easy to source high quality parts for the numerous kinds of vehicle that an expert can be expected to deal with across a long period of time.

The fifth reason why I recommend this organisation is because I have called them myself to make enquiries about their business, and at that time I found them to be friendly and helpful on the phone, so polite and each enquiry that I had was resolved.

As well as the above this organisation also: offers a system for making secure online payments, accepts a variety of payment methods and offers discounts for placing multiple orders.

My Recommendation

For enjoyable business with a reliable Mercedes Benz air suspension parts supplier, notice the solutions below:



Mercedes Benz Air Suspension Parts

BMW Air Suspension Parts

LEXUS Air Suspension Parts

Bentley Air Suspension Parts

Porsche Air Suspension Parts

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