Mercedes CLS Class Emission Control Parts

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    • (17 reviews)
      # sp99082
      OE Connector Oxygen Sensor by Denso®. Denso's light duty oxygen sensor started to appear on vehicles with the development of fuel injection systems. The basic job of the sensor is to monitor the air fuel mixture under idle, moderate...
      Designed to help reduce fuel consumption and harmful emissionsMade with the use of state-of-the-art sensor technologies
      $10.67 - $356.64
    • (2 reviews)
      # sp27211
      Professional™ Oxygen Sensor by ACDelco®. If your O2 Sensor is not functioning properly, you are robbing yourself of performance and costing yourself money at the gas pump. Let ACDelco’s Professional Oxygen Sensors help. You can find...
      ACDelco Professional Oxygen Sensors earn the name ACDelco by being put through a variety of tests, often under extreme and unusual conditionsCustomers can receive better gas mileage with a properly working oxygen sensor
      $16.98 - $221.70
    • (3 reviews)
      # sp94914
      Air Fuel Ratio Sensor by Denso®. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products designed by Denso. Engineered with the use of the...
      Designed to help reduce fuel consumption and harmful emissionsMade with the use of state-of-the-art sensor technologies
      $35.57 - $363.08
    • (1 review)
      # sp27974
      Oxygen Sensor by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to all channels of...
      One-piece laser welded body for maximum protection and precise operation maintaining sensor integrityDual internal talc seal makes your oxygen sensors last longer
      $14.65 - $186.90
    • (13 reviews)
      # sp5156
      Oxygen Sensor by NTK®. This product is designed to improve engine efficiency and fuel mileage, while reducing emissions and extending catalyst life. The oxygen sensor is made of premium quality material and extensively tested during...
      Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement
      $11.68 - $173.44
    • (2 reviews)
      # sp107310
      Intermotor™ Vapor Canister by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to...
      OE quality parts from top original equipment and aftermarket manufacturersEach fuel vapor canister is designed and tested to OE specifications for a direct-fit replacement controlling the loss of evaporative emissions from fuel systems to the environment
      $25.55 - $683.37
    • (0 reviews)
      # sp107311
      Intermotor™ Vapor Canister Vent Solenoid by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $15.16 - $310.08
    • (3 reviews)
      # sp99297
      Oxygen Sensor by Spectra Premium®. To ensure your vehicle has optimal performance and fuel economy while producing minimal emissions replace a defective O2 sensor with one backed by the aftermarket’s most rigorous testing process. It...
      Increase vehicle fuel economy and engine performance while decreasing vehicle exhaust emissions100% performance tested to meet vehicle requirements
      $9.39 - $724.60
    • (0 reviews)
      # sp12660
      Oil Separator by URO Parts®. Make your vehicle operating quiet again by replacing your malfunctioning component with this top-notch emission control part. The dependable URO part will make your exhaust system work as it should and help...
      Designed to replace your worn out exhaust partHelps to restore quiet vehicle operation
      $15.29 - $91.08
    • (0 reviews)
      # sp119178
      Universal Oxygen Sensor by Bosch®. Properly functioning oxygen sensors are important when it comes to your vehicle's fuel efficiency and reducing harmful exhaust emissions. That's why checking for, and possibly replacing, a worn-out...
      Patented SmartLink™ connector systemNo special tools required for installation
      $13.87 - $69.48
    • (3 reviews)
      # sp92988
      Wideband Oxygen Sensor by Bosch®. Invented for life, Bosch car parts are a rare combination of high quality, dependable service, and a reasonable price. This sensor utilizes a sophisticated sensing element enabling it to produce a...
      Detects the exact amount of unburned fuel in the exhaust streamOE connectors and OE-style harness for continuous wire from connector to sensor
      $50.55 - $320.38
    • (0 reviews)
      # sp121602
      Air-Fuel Ratio Sensor by NTK®. Air/Fuel Ratio Sensors Utilize a Sophisticated Sensing Element that Enables Them to Produce a Precise Output in Proportion to the Air/Fuel Ratio. AFR Sensors Provide the ECU with an Exact AFR Response,...
      Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement
      $37.19 - $367.84
    • (0 reviews)
      # sp5756
      Oxygen Sensor by Delphi®. As one of the leading suppliers of oxygen sensor technology since 1978, Delphi planar technology is the result of their OE and aftermarket engineers partnering together to develop the most innovative oxygen...
      OE connectors and wire lengths within 3" of OE specificationsResists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long life
      $12.60 - $201.38
    • (0 reviews)
      # sp26976
      Oxygen Sensor by Walker®. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. When you choose Walker accessories, you get...
      Makes installation quick and easyOptimal OE-style fit and quality
      $25.64 - $292.28
    • (3 reviews)
      # sp137457
      Oxygen Sensor by Aceon®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials...
      Designed to provide long-lasting service lifeMade utilizing state-of-the-art equipment
      $9.81 - $56.43
    • (0 reviews)
      # sp110104
      Crankcase Vent Valve by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium materials using state-of-the-art...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $31.60 - $370.03
    • (0 reviews)
      # sp14932
      Oil Separator by Genuine®. Is your CHECK ENGINE light on? Has your vehicle failed a state emissions test? Your vehicle’s emissions control system is in need of repair, but before you waste your time and gas running out to the auto...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $5.89 - $1,786.35
    • (0 reviews)
      # sp107286
      PCV Valve Kit by URO Parts®. Make your vehicle operating quiet again by replacing your malfunctioning component with this top-notch emission control part. The dependable URO part will make your exhaust system work as it should and help...
      High quality plastic and/or steel constructionDirect replacement for a proper fit every time
      $5.99 - $81.93
    • (0 reviews)
      # sp121604
      Oil Catch Can Cover by Uro Parts®. Make your vehicle operating quiet again by replacing your malfunctioning component with this top-notch emission control part. The dependable URO part will make your exhaust system work as it should and...
      Designed to replace your worn out exhaust partHelps to restore quiet vehicle operation
      $31.48
    • (1 review)
      # sp6407
      PCV Valve by Beck Arnley®. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import vehicles in the 1950’s, brand understands...
      OE quality products from top original equipmentTop quality materials
      $1.95 - $97.57
    • (0 reviews)
      # sp107273
      Vapor Canister by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium materials using state-of-the-art...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $46.64 - $762.49
    • (1 review)
      # sp13481
      Intermotor™ EGR Valve by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to all...
      OE quality parts from top original equipment and aftermarket manufacturersHeavy-duty stepper motor and stainless-steel valve components ensure durability
      $31.11 - $824.56
    • (0 reviews)
      # sp129528
      EGR Change-Over Valve by Pierburg®. In order to be able to comply with future emission limits, stiff requirements are applied to engine systems. The tight tolerances call for a closed-circuit EGR system. Depending on the type of...
      $32.32 - $82.54
    • (1 review)
      # sp97229
      EGR Valve by Pierburg®. Is your CHECK ENGINE light on? Has your vehicle failed a state emissions test? Your vehicle's emissions control system is in need of repair, but before you waste your time and gas running out to the auto parts...
      High quality at an affordable priceExpertly made from premium materials
      $102.55 - $234.73
    • (0 reviews)
      # sp109037
      Secondary Air Injection Pump by Bosch®. Designed utilizing the latest technology, this product by Bosch features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet...
      100% new, not rebuiltOE design to ensure exact fit, form and function
      $131.00 - $744.41
    • (0 reviews)
      # sp108684
      Secondary Air Injection Pump by Dorman®. Dorman’s A.I.R. Pump comes with all the hardware and other components necessary for a complete repair. Since this part is a direct replacement, the exact fit adds another layer of efficiency...
      Save money by replacing only the failed pump - instead of the entire mating cover assemblyReplacement restores A.I.R. System to proper functioning
      $118.95 - $498.95
    • (0 reviews)
      # sp107734
      Catalytic Converter by Genuine®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at...
      $190.78 - $1,503.26
    • (1 review)
      # sp10059
      Ultra™ Universal Fit Catalytic Converter by Walker®. Walker offers complete coverage: direct-fit mufflers, converters, pipes, resonators and accessories. Walker is an OE supplier to many major nameplate vehicle manufacturers. Trust...
      $53.88 - $122.67
    • (5 reviews)
      # sp4304
      Universal Fit Catalytic Converter by Walker®. Walker offers complete coverage: direct-fit mufflers, converters, pipes, resonators and accessories. Walker is an OE supplier to many major nameplate vehicle manufacturers. Trust Walker, an...
      $60.88 - $259.91
    • (4 reviews)
      # sp128207
      ECO II Direct Fit Converter and Pipe Assembly by Eastern®. If you need to replace your failed or damaged catalytic converter, this product is the right choice. Designed specifically for your vehicle, this catalytic converter is a great...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $106.25 - $563.99




    A stylish and powerful 4-door coupe, the Mercedes CLS Class was introduced in 2003 in Frankfurt, and is offered for sale starting in the fall of 2004. By now, two generations of the vehicle have been introduced – during this time, notable changes have been applied, concerning the vehicle’s mechanicals, though outside the CLS of the first generation and the CLS of the second one look alike – streamlined, slightly aggressive, and spacious. This model received special safety package – the company has put all its newest features into the CLS Class. In fact, it doesn’t concern only safety – cutting-edge technologies were set up in all of the model’s systems.

    Here we store a collection of Mercedes CLS Class emission control parts, whose excellent operation is crucial for the whole vehicle’s correct work. Components are designed with deep care of your automobile and all its distinctive features. They all are made from high-quality and durable materials and elements, so you definitely won't need to replace them again soon. Our suppliers are the most reliable and tried manufacturers – Accel, Denso, Delphi, NTK, Bosch. We added reviews and images at product pages, for you to make a smart decision.

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    • Replacement Emission Control Parts
      August 18, 2014
      Oxygen Sensors - Why Does My Car Have Four, And...
      An oxygen sensor (also known as an O2 sensor or Lambda sensor) is a sensor designed to generate a reading based on the content of oxygen in an automotive exhaust...
      by Michael Grayen

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