Is Mercedes CLS500 Air Filter A1120940604 compatible with my Mercedes-Benz CLS?
Yes. The Mercedes CLS500 Air Filter with OEM part numbers A1120940604, A1120940004, A2730940404 and A2730940204 is specifically designed for Mercedes-Benz CLS (C219) CLS500 (219.375) models manufactured between 2004 and 2010. This Genuine Mercedes-Benz OEM air filter is engineered according to strict factory specifications to provide perfect fitment, superior sealing and outstanding filtration efficiency. Every time the engine operates, thousands of litres of air are drawn through the intake system before entering the combustion chamber. The filter captures dust, dirt, sand, pollen, soot and microscopic airborne contaminants before they reach the V8 engine. Its premium multi-layer filtration media ensures unrestricted airflow for efficient combustion, smooth throttle response and optimum fuel economy. A clogged air filter can reduce engine performance, increase fuel consumption and accelerate wear on expensive internal engine components. Replacing the Genuine Mercedes-Benz A1120940604 / A1120940004 / A2730940404 / A2730940204 air filter at the recommended service interval restores factory engine performance, improves reliability and extends engine life. Always verify the OEM part number or VIN before ordering. Purchasing from JK Automotive guarantees 100% Genuine Mercedes-Benz OEM quality, expert compatibility verification, secure packaging, fast shipping across India and dependable after-sales support.
Is this genuine air filter set compatible with all variants of the Mercedes-Benz CLS sold in India?
No, this genuine engine air filter kit—cross-referenced with part numbers A 112 094 06 04, A 112 094 00 04, A 273 094 04 04, and A 273 094 02 04—is strictly engineered for specific heavy-duty petrol V8 models and is not a universal fit for the entire C219 generation. It is explicitly designed for the first-generation CLS 500 Coupe (chassis code 219.372) sold or imported into India between 2006 and 2010, which features the 5.5-litre M273 naturally aspirated V8 petrol engine layout. It is critically important to note that the large M273 V8 engine requires a dual-bank intake configuration, meaning this part number comprises a set of two symmetrical filters (one for the left airbox and one for the right airbox). This set will not fit four-cylinder or V6 configurations widely sold in India, such as the CLS 320 CDI or CLS 350 petrol, which utilize entirely different housing geometries and separate part numbers. Furthermore, it is completely incompatible with the hand-built engines found in the flagship performance CLS 55 AMG or CLS 63 AMG variants. Before completing your purchase at JK Automotive, please verify your vehicle's engine configuration or check the 17-digit Vehicle Identification Number (VIN) on your Indian registration smart card to confirm your chassis code matches 219.372. [
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Why do severe Indian road and climate conditions require a high-quality OEM Mercedes-Benz V8 air filter set?
Operating a high-displacement luxury European coupe sedan like the Mercedes-Benz CLS 500 V8 in India presents a unique set of harsh environmental challenges that standard aftermarket filters cannot survive. Indian roads expose premium performance vehicles to extreme levels of ambient road dust, coarse construction debris, thick vehicular soot from heavy commercial traffic, and intense seasonal pollen. This genuine OEM filter set features premium-grade, resin-impregnated pleated cellulose media that is scientifically calibrated to trap microscopic particulates down to the micron level before they can enter the wide V8 intake manifolds. By preventing these highly abrasive Indian road particulates from entering the intake tract, you are directly protecting the intricate variable intake manifold flaps and guarding internal cylinder walls from catastrophic scoring. Beyond engine longevity, the structural integrity of the OEM design ensures a flawless, airtight seal within the twin-bank engine cover housing despite intense external stressors. Cheaper aftermarket alternatives often suffer from substandard rubber framing that warps under India's extreme under-hood engine temperatures, which frequently skyrocket during bumper-to-bumper city traffic in peak summer. This warping creates gaps where unfiltered, dusty air can bypass the filter entirely and cause irreversible damage.
How often do Indian climate and traffic conditions require me to replace the air filter set on my CLS 500 V8?
While the standard global manual recommends a replacement every 30,000 to 45,000 kilometres, India’s severe climate, extreme summer heat, and high dust load mandate that this maintenance interval be cut exactly in half. For optimal engine health, volumetric efficiency, and smooth performance on Indian roads, you should replace this twin air filter set every 15,000 kilometres, or at least once every 12 months, whichever comes first. Proactively adhering to this accelerated maintenance schedule prevents severe engine choking, sluggish mid-range power delivery, and premature mass airflow sensor failure. If your daily commute involves navigating major metropolitan areas with high air pollution levels like Delhi-NCR, Mumbai, or Bengaluru, or if you frequently travel through dusty rural zones, your dual filters will clog significantly faster due to the high volume of air a 5.5L V8 engine gulps. Under these harsh driving conditions, it is highly recommended to visually inspect both filter elements every 7,500 kilometres, typically coinciding with your routine intermediate oil check-ups. The combinations of intense Indian summer heat (exceeding 45°C in many regions) and heavy monsoon humidity can cause trapped organic debris like leaves and bugs to degrade quickly inside the dual airboxes, forming a restrictive crust that chokes the intake system.
What are the specific symptoms of a clogged air filter set on a Mercedes CLS 500 V8 during hot Indian summers?
When your V8 engine's dual air filters become heavily loaded with dust and urban soot, it severely restricts the volume of oxygen required for clean, efficient internal combustion across all eight cylinders. This restriction becomes significantly more noticeable during intense Indian summers when ambient air is already less dense due to high temperatures and the vehicle's air conditioning system is constantly running at full blast to cool the large cabin space. One of the most immediate symptoms you will notice is a palpable reduction in crisp throttle response, a loss of that signature smooth V8 linear acceleration, and sluggishness when trying to overtake or merge onto highways. Because the naturally aspirated 5.5L engine relies heavily on an unrestricted, balanced supply of air across both cylinder banks to build torque, a restricted intake starves the system, making the motor feel unusually flat and heavy throughout the lower-to-mid RPM range. As the restriction worsens in stop-and-go city traffic, the Engine Control Unit (ECU) will attempt to compensate for the reduced airflow by adjusting fuel injection parameters, leading to a noticeable drop in fuel economy and a rough, vibrating idle felt through the cabin. In severe cases, the restricted airflow causes an incorrect air-fuel ratio that can trigger a "Check Engine" dashboard warning light, throwing specific fault codes related to mass airflow sensor deviations or lean-running banks.
Is it safe to clean this genuine V8 air filter set by blowing it out with compressed air at a local garage?
No, this specific performance part number is a disposable, single-use component made from specialized cellulose paper media and cannot be cleaned, washed, or blown out with compressed air lines under any circumstances. In India, it is a very common roadside garage practice to blow compressed air through dirty filters to "clean" them during a quick service, but this practice is highly discouraged by Mercedes-Benz technicians. High-pressure air blasts easily tear and destroy the microscopic resin-impregnated paper fibers, creating invisible holes in the cellulose material. These tiny, invisible tears completely ruin the filter set’s micron-level protection, effectively turning the components into an open gateway for abrasive road dust to enter the intake tracts and engine cylinders. Attempting to wash these filters with water, soaps, or local chemical solvents will completely destroy the structural integrity of the natural paper fibers, causing the media to swell, tear, or collapse under engine suction. Once the fragile paper pleats are compromised by moisture or high-pressure air, the filters lose their structural ability to trap fine particulates, allowing dangerous debris to pass straight into your engine. Given the high cost of repairing premium multi-valve European V8 engines in India, replacing the twin unit with a brand-new factory filter set is the only safe course of action.
Can I install this air filter set myself at home in India, and what specific tools are required?
Yes, replacing the dual air filters on a C219 CLS 500 V8 is a highly straightforward Do-It-Yourself (DIY) project that can easily be completed in your home driveway or garage in roughly 20 to 25 minutes without professional help. On the M273 V8 engine, the twin air filter housings are uniquely integrated directly into the large plastic engine cover that sits on top of the motor. To complete the installation properly, you will need a Torx T20 or T25 screwdriver to open the individual filter compartments on the underside of the cover after removing it from the engine bay. To begin the process, ensure your ignition is completely turned off and the engine bay has cooled down entirely, which is especially important after driving in hot Indian weather to prevent any accidental burns from the hot cylinder heads. Carefully unclip the front engine cover section, disconnect the two flexible air intake ducts at the front, and lift the main large engine cover assembly straight up off its rubber mounting pads. Flip the cover over on a clean workbench, loosen the retaining Torx screws around the perimeter of both the left and right plastic airbox lids, gently lift the lids to expose the old filter elements, note its exact orientation, and pull them out of the housing slots. Take a clean microfiber cloth and carefully wipe away any loose dust, sand, or dried monsoon mud settled inside both lower trays, slide the new filters firmly into place ensuring their rubber sealing lips sit perfectly flush along the housing edges, screw the lids back down hand-tight, and snap the entire engine cover assembly securely back onto the engine block.
Why is regular air filter maintenance important for my Mercedes CLS500?
Regular replacement of the Mercedes CLS500 Air Filter is essential for maintaining the performance and reliability of your Mercedes-Benz CLS C219. During everyday driving, the engine continuously draws air containing dust, sand, pollen, soot and other airborne contaminants. The Genuine Mercedes-Benz air filter compatible with A1120940604, A1120940004, A2730940404 and A2730940204 captures these harmful particles before they reach the V8 engine. Maintaining clean airflow improves combustion efficiency, throttle response, fuel economy and overall engine performance while protecting expensive components such as pistons, intake valves, airflow sensors and cylinder walls from premature wear. As the filter becomes clogged, airflow decreases, leading to reduced engine power, increased fuel consumption and unnecessary engine stress. Replacing the air filter at the recommended interval restores factory engine performance, extends engine life and helps reduce long-term maintenance costs. Purchasing from JK Automotive ensures you receive 100% Genuine Mercedes-Benz OEM parts, expert technical support, secure packaging and fast shipping anywhere in India.
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