ABS rings for Mercedes S Class

ABS rings for Mercedes S Class

Welcome to your drivetrain specialist when you need a replacement ABS ring for your Mercedes S Class. The S Class represents the pinnacle of automotive engineering and comfort, where every chassis and braking component is designed to deliver maximum safety. The ABS ring is a small yet crucial part that is frequently exposed to harsh conditions, including road salt, moisture and extreme temperature fluctuations. We supply model-specific ABS reluctor rings that match or exceed original specifications, ensuring that your vehicle's advanced safety systems function exactly as intended. By choosing the right quality from the start, you avoid future issues with fault codes and compromised braking performance. Our range covers a wide selection of designs to suit your car's exact configuration.

What does an ABS ring do on a Mercedes S Class?

The ABS ring on a Mercedes S Class is a critical component of the car's active safety system. Its primary role is to serve as a reference point for the ABS sensor, also known as the wheel speed sensor. As the wheel rotates, the ring's teeth or magnetic window pass the sensor, generating an electrical pulse. This signal is sent to the control unit, which calculates the rotational speed of each wheel in real time. If the system detects that a wheel is about to lock up during braking, it modulates the brake pressure to preserve steering control. In a technologically sophisticated vehicle like the S Class, this data is also relied upon by systems such as traction control (ASR) and electronic stability control (ESP). Without a functioning ABS ring, the car loses these essential features, adversely affecting both safety and driving comfort.

Common signs of wear

There are several clear indicators that an ABS ring on your Mercedes S Class is failing. The most common symptom is an illuminated ABS warning light on the dashboard, often accompanied by warnings for ESP or the braking system. You might also notice the ABS cutting in unnecessarily under gentle braking at low speeds, which typically feels like an unexpected pulsing through the brake pedal. This is most often caused by a cracked ring resulting from corrosion forming on the CV joint underneath, which expands the ring and disrupts the tooth pitch or sensor gap. A visual inspection will frequently reveal hairline cracks, missing teeth or severe corrosion. Because the S Class features sensitive vehicle electronics, even slight signal deviations can trigger a fail-safe mode to protect the driver.

How to choose the correct ABS ring

Selecting the correct ABS ring for a Mercedes S Class requires care, as specifications can vary depending on chassis number and model year. The most critical factors are the tooth count on the ring along with its inner and outer dimensions. Fitting a ring with an incorrect number of teeth will send erroneous speed signals to the control unit, causing ABS faults or triggering limp mode. To make your selection straightforward and accurate, simply select your car's make, model and engine variant in our vehicle selector. This filters for parts that are guaranteed to fit your specific car. If you are unsure of the dimensions, measuring the old ring before ordering is always recommended. Remember that a correctly seated ring with a precise fit is essential for the wheel speed sensors to operate without interference.

Related parts to inspect

Be sure to inspect these exact pages for the same vehicle when working on the ABS ring:

When one drivetrain component shows signs of wear, neighbouring parts on the same vehicle often warrant inspection too. By comparing these exact pages for Mercedes S Class, it becomes easier to determine whether an issue lies with the ABS ring itself or with an adjacent part of the transmission.

This is especially true on models where vibrations, play and unusual noises can transfer symptoms across multiple drivetrain components. A quick check of related categories reduces the risk of replacing the right part type while overlooking an adjacent component that causes the same fault.

• Mercedes S Class
• Drive shafts for Mercedes S Class
• Outer CV joints for Mercedes S Class
• Inner CV joints for Mercedes S Class

By taking a proactive approach—replacing damaged CV boots and thoroughly cleaning seating surfaces—you can substantially extend the working life of your new ABS ring.

Why shop with CVJoint24

When you choose to buy your ABS ring from CVJoint24, you are dealing with a dedicated Swedish driveline specialist offering in-depth technical expertise across vehicle drivetrains. We understand the importance of getting the right part for your Mercedes S Class the first time, which is why we provide a reliable fitment guarantee. By selecting your specific make, model and engine, you minimise the risk of ordering the wrong part and can be confident of an accurate fit. We dispatch quickly from our Swedish warehouse across the EU to ensure your car is back on the road without unnecessary delay. Our focus on quality and specialist knowledge makes us the natural choice for drivers who demand the best for their vehicle. With us, you always receive the right spare parts, dependable service and expert technical advice.