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HomeShopFiltersAir FiltersMercedes-Benz S-Class (W221, V221) S 320 CDI (221.022, 221.122) Air Filter – A 642 094 30 04 / A 642 094 22 04 / A 642 094 03 04 / A 642 094 02 04 (2005 – 2013)
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Mercedes-Benz S-Class (W221, V221) S 320 CDI (221.022, 221.122) Air Filter – A 642 094 30 04 / A 642 094 22 04 / A 642 094 03 04 / A 642 094 02 04 (2005 – 2013)

SKU: ST1835

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Original price was: ₹1,600.00.Current price is: ₹800.00.

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Product information
Weight 1 kg
OEM Cross Reference

A 642 094 30 04 / A 642 094 22 04 / A 642 094 03 04 / A 642 094 02 04
Vehicle Brand

Model

,

Year - Range

Brand of the Product

Compatibility

Mercedes-Benz S Class (W221, V221) 2005 – 2013
HSN Code

84212300
Description
Buy Mercedes S320 CDI Air Filter A6420943004 Genuine OEM | JK Automotive Mercedes S320 CDI Air Filter A6420943004 is a 100% Genuine Mercedes-Benz OEM replacement air filter designed for Mercedes-Benz S-Class (W221, V221) S 320 CDI (221.022, 221.122) (2005 – 2013). Compatible with OEM part numbers A 642 094 30 04, A 642 094 22 04, A 642 094 03 04 and A 642 094 02 04, this premium air filter provides superior filtration, unrestricted airflow and maximum engine protection. It improves combustion efficiency, turbocharger response, throttle response, fuel economy and overall engine performance while extending the service life of the OM642 V6 turbo diesel engine. Buy genuine Mercedes-Benz air filters online from JK Automotive with fast shipping across India.

Description

Buy Mercedes S320 CDI Air Filter A6420943004 Genuine OEM | JK Automotive

Mercedes S320 CDI Air Filter A6420943004 is a genuine Mercedes-Benz OEM replacement air filter specifically designed for Mercedes-Benz S-Class (W221, V221) S 320 CDI (221.022, 221.122) (2005 – 2013). It is compatible with OEM part numbers A 642 094 30 04, A 642 094 22 04, A 642 094 03 04 and A 642 094 02 04, ensuring precise fitment and dependable factory-level performance.

The premium multi-layer filtration media efficiently captures dust, dirt, pollen, sand, soot and other airborne contaminants before they enter the engine intake system. It maintains unrestricted airflow for cleaner combustion while protecting critical engine components from premature wear.

Mercedes S320 CDI Air Filter A6420943004 improves combustion efficiency, turbocharger response, throttle response and fuel economy. It delivers smoother acceleration, consistent power output and reliable engine performance while protecting the OM642 V6 turbo diesel engine with a continuous supply of clean, filtered air.

Routine replacement of the air filter safeguards essential engine components including the turbocharger, mass airflow sensor, intake manifold, intake valves, pistons and cylinder walls from harmful contaminants. Clean intake air helps preserve factory performance, improve fuel efficiency and extend engine service life.

Choosing a Genuine Mercedes-Benz OEM air filter guarantees factory-quality fitment, superior durability and long-lasting filtration efficiency. It is engineered to Mercedes-Benz specifications for dependable performance under all driving conditions.

Buy Mercedes S320 CDI Air Filter A6420943004 from JK Automotive for 100% genuine Mercedes-Benz OEM spare parts, competitive pricing, expert technical support, secure packaging and fast shipping across India.

Compatible vehicles

ManufacturerModelYear-Range
Mercedes-BenzS-Class (W221V221)

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Questions and Answers

How do I know if this air filter is the exact correct fit for my specific Mercedes-Benz S-Class premium flagship diesel model?
This engine air filter is precision-engineered to fit the fifth-generation Mercedes-Benz S-Class W221 standard wheelbase and V221 long wheelbase flagship saloon platforms, specifically the high-torque S 320 CDI common-rail turbo-diesel variants carrying the 221.022 or 221.122 chassis designations built between the vehicle production calendar years of 2005 and 2013. To guarantee absolute compatibility with your executive vehicle, you must cross-reference your existing factory filter with the official original equipment manufacturer part numbers, which are designated as A 642 094 30 04, A 642 094 22 04, A 642 094 03 04, or A 642 094 02 04. This component is built specifically to accommodate the physical dimensions and high-volume airflow requirements of the common-rail diesel V6 OM642 engine configuration, ensuring a flawless airtight seal inside the factory air box housing. If you are currently shopping for the official Mercedes-Benz S-Class (W221, V221) S 320 CDI (221.022, 221.122) Air Filter - A 642 094 30 04 / A 642 094 22 04 / A 642 094 03 04 / A 642 094 02 04 (2005 – 2013) element, checking your vehicle’s identification number against your owner's service manual or consulting a certified Mercedes-Benz technician will confirm if your luxury flagship uses this exact rectangular media configuration. Avoid ordering based solely on the model year, as mid-cycle refreshes or regional engine variations can alter the filtration system dimensions significantly across different markets globally. [1]
What are the primary performance benefits of upgrading to this premium engine air filter replacement?
Installing this premium replacement air filter directly restores and optimizes the internal combustion efficiency of your high-efficiency common-rail diesel V6 S 320 CDI power plant by maximizing clean volumetric airflow into the turbocharger intake manifold tract. The highly specialized synthetic or cellulose fiber blend media is structured with precise pleating density to capture micro-particles, road debris, soot, and pollen before they can compromise sensitive internal engine components or scratch cylinder walls. By minimizing airflow restriction while maintaining exceptional filtration efficiency, this component allows the heavy-duty turbocharger to compress clean air more effortlessly, which directly translates to crisper throttle response and smoother overall acceleration across the power band. Upgrading your vehicle to a fresh Mercedes-Benz S-Class (W221, V221) S 320 CDI (221.022, 221.122) Air Filter - A 642 094 30 04 / A 642 094 22 04 / A 642 094 03 04 / A 642 094 02 04 (2005 – 2013) prevents the vehicle's electronic control unit from adjusting fuel trims unnecessarily to compensate for a choked intake system, thereby preserving your luxury saloon's original factory performance specifications. Investing in a high-quality filter ensures that your luxury flagship maintains its iconic mechanical refinement and structural longevity for thousands of miles to come. [1, 2]
Can a clogged air filter affect the fuel economy and emissions output of my Mercedes S 320 CDI flagship saloon?
Yes, a severely clogged or heavily contaminated engine air filter will drastically degrade your vehicle's fuel economy while simultaneously increasing harmful tailpipe emissions due to altered air-to-fuel ratios inside the combustion chamber. When air intake flow is constricted by trapped dirt and debris, the V6 common-rail diesel engine is forced to work substantially harder to draw in the necessary volume of oxygen required for clean, complete fuel combustion cycles. This restriction induces a richer fuel mixture, meaning the engine burns more diesel than necessary, which rapidly decreases your miles per gallon and causes unburnt hydrocarbons and excessive black soot to accumulate in the exhaust tract. Over time, running a vehicle without a pristine Mercedes-Benz S-Class (W221, V221) S 320 CDI (221.022, 221.122) Air Filter - A 642 094 30 04 / A 642 094 22 04 / A 642 094 03 04 / A 642 094 02 04 (2005 – 2013) setup places excessive strain on the oxygen sensors and can prematurely foul or clog your expensive diesel particulate filter system due to excessive soot loading. Regularly replacing your filtration element ensures a crisp, clean burn that lowers environmental emissions, maximizes fuel efficiency, protects auxiliary exhaust electronics, and prevents unexpected diagnostic trouble codes or check engine lights from illuminating on your dashboard. [1, 2]
What is the recommended service interval for changing the W221 S 320 CDI air filter?
The standard manufacturer recommendation for replacing the air filter element on a W221 Mercedes-Benz S 320 CDI generally falls between every fifteen thousand to thirty thousand miles, or approximately every two years under ordinary highway driving environments. However, if you frequently operate your executive luxury sedan in severe driving conditions, such as heavily congested urban commuter traffic, dusty rural roads, or high-mileage long-distance highway travel, you should inspect and replace the filter much sooner, potentially every ten thousand miles. Neglecting this simple preventative maintenance task causes the filter media to become saturated with fine atmospheric dust particles, which slowly chokes off the engine's oxygen supply and reduces the vehicle's operational efficiency. A good rule of thumb for luxury vehicle care is to visually inspect the condition of your filtration system to determine if you need to install a new Mercedes-Benz S-Class (W221, V221) S 320 CDI (221.022, 221.122) Air Filter - A 642 094 30 04 / A 642 094 22 04 / A 642 094 03 04 / A 642 094 02 04 (2005 – 2013) unit to clear out excessive dark discoloration or trapped physical debris within the deep pleats. Replacing this inexpensive component proactively protects your precision-engineered OM642 powertrain from accelerated internal wear and guarantees that the engine always operates under optimal thermodynamic and mechanical conditions. [1, 2]
What are the common symptoms that indicate my Mercedes-Benz W221 diesel engine air filter needs urgent replacement?
When your Mercedes-Benz S-Class air filter becomes overly saturated with contaminants, your vehicle will exhibit several distinct physical warning signs that indicate an immediate replacement is required to prevent further mechanical degradation. You will likely notice a sluggish or delayed throttle response when pressing the gas pedal, as the heavy-duty OM642 turbocharger struggles to pull enough fresh atmospheric oxygen through the blocked filtration media to accelerate efficiently. The engine may also exhibit a rough, unstable idle or produce unusual muffled coughing sounds from the intake tract when starting the car up cold in the morning. In more severe cases of air starvation, you might notice dark smoke or a strong smell of unburnt diesel exiting the exhaust pipe, accompanied by a noticeable drop in overall fuel economy, smooth shifting transitions, and smooth power delivery under load. For those maintaining their vehicles regularly, swapping old parts for a fresh Mercedes-Benz S-Class (W221, V221) S 320 CDI (221.022, 221.122) Air Filter - A 642 094 30 04 / A 642 094 22 04 / A 642 094 03 04 / A 642 094 02 04 (2005 – 2013) avoids triggering the mass airflow sensor to send error signals to the primary engine control module, ultimately illuminating the check engine light on your dashboard. [1]
Is it possible for a car owner to install this air filter at home without specialized mechanical tools?
Replacing the engine air filter on a W221 Mercedes-Benz S 320 CDI is a relatively straightforward do-it-yourself task that can easily be completed in your home garage or driveway within approximately fifteen to twenty minutes using standard hand tools. The air filter housing is conveniently located on the side of the engine bay assembly, and gaining access to the internal filter element typically requires only a standard Torx screwdriver or screwdriver set to safely loosen the retaining clips or fastening screws securing the plastic air box cover. Once you carefully undo the fasteners and lift the housing lid, you can slide out the old, dirty air filter while taking note of its exact directional orientation inside the factory tray. It is highly recommended to use a vacuum cleaner or a clean microfiber cloth to thoroughly wipe out any loose leaves, sand, or debris sitting at the bottom of the empty air box before dropping in the new filter. Ensure the new filter sits completely flush within the rubber sealing track around the perimeter of the box before lowering the lid back down and securely retightening all the factory fasteners. 
How do these diverse OEM part numbers compare to aftermarket filtration alternatives?
The original equipment manufacturer part numbers A 642 094 30 04, A 642 094 22 04, A 642 094 03 04, and A 642 094 02 04 represent the strict engineering standards, dimensions, and material specifications established by Mercedes-Benz for the premium common-rail diesel V6 OM642 engine configuration. Premium aftermarket filters designed to match these specific part numbers utilize identical physical dimensions and high-grade filtration paper to provide a structural fit that is totally indistinguishable from the original dealership part. Opting for a certified replacement filter that explicitly references these exact OEM numbers guarantees that the rubber sealing gasket will perfectly fit the perimeter of your factory air box, preventing unfiltered air from bypassing the media. While generic, non-branded filters might appear cheaper at first glance, they often cut corners on pleat count, structural integrity, and gasket quality, which can lead to air leaks or rapid clogging that harms engine performance. Choosing a replacement unit that respects this official lineage ensures your car receives factory-level engine protection, optimized airflow, and long-lasting durability without paying inflated dealership prices.
How does a premium air filter protect the sensitive Mass Air Flow sensor inside the W221 diesel engine bay?
The Mass Air Flow sensor or downstream intake tract measurement electronics are highly precise components situated directly downstream from your air filter housing, and they rely on a clean environment to accurately measure the volume and temperature of air entering the engine. Fitting your luxury flagship vehicle with a high-grade Mercedes-Benz S-Class (W221, V221) S 320 CDI (221.022, 221.122) Air Filter - A 642 094 30 04 / A 642 094 22 04 / A 642 094 03 04 / A 642 094 02 04 (2005 – 2013) prevents microscopic dust particles, moisture droplets, and loose fibers from breaking away from the filter media and contaminating the delicate hot wire element inside the sensor housing. If a low-quality or degraded filter allows debris to pass through, these particles will bake onto the sensor's measuring wire, causing it to send incorrect data to the engine computer regarding the incoming air volume. This contamination results in poor engine driveability, frequent misfires, rough shifting patterns from the automatic transmission, and expensive diagnostic repair bills for a replacement sensor. By investing in a high-efficiency filter with durable, non-shedding media fibers and a secure rubber seal, you effectively isolate this sensitive electronic sensor from atmospheric hazards, ensuring stable engine management performance. 

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