Mercedes-Benz Mercedes CLA 2013-2019 Emissions & Sensors Specifications
Discover detailed emissions sensors specifications for the 2013-2019 Mercedes CLA. Learn about sensor types, locations, functions, and technical details for maintenance, diagnostics, and repairs.
Overview Specifications
This document provides detailed specifications and technical information about the emissions sensors used in Mercedes-Benz CLA models from 2013 to 2019. It is designed to assist technicians, engineers, and enthusiasts in understanding the functionality, maintenance, and troubleshooting of these sensors. Use the search and navigation instructions to quickly locate specific details or browse through the sections for comprehensive insights.
How to Use
Use the search bar to enter keywords related to emissions sensors, such as 'O2 sensor' or 'NOx sensor'. Results will highlight relevant sections and subsections for quick access.
Scroll through the sections or use the table of contents to jump to specific topics. Each section is organized into subsections with detailed technical points for easy reference.
Key Specifications
O2 Sensor Operating Temperature
600-800°C
NOx Sensor Response Time
< 2 seconds
PM Sensor Sensitivity
0.1 mg/m³
Sensor Voltage Range
0.1-5.0 V
Replacement Interval
60,000-100,000 miles
Available Specifications
Oxygen (O2) Sensors
Oxygen sensors are critical for monitoring the air-fuel ratio in the exhaust system. This section covers their types, locations, and functions in the Mercedes-Benz CLA models from 2013 to 2019.
Oxygen (O2) Sensors
Oxygen sensors are critical for monitoring the air-fuel ratio in the exhaust system. This section covers their types, locations, and functions in the Mercedes-Benz CLA models from 2013 to 2019.
Types of O2 Sensors
- Wideband O2 sensors for precise air-fuel ratio measurement
- Narrowband O2 sensors for basic feedback
- Upstream sensors located before the catalytic converter
- Downstream sensors located after the catalytic converter
- Heated O2 sensors for faster warm-up times
- Zirconia-based sensors for durability and accuracy
Common Issues and Maintenance
- Sensor contamination from oil or coolant leaks
- Slow response time due to aging
- Fault codes related to sensor heater circuits
- Recommended replacement interval: 60,000-90,000 miles
- Diagnostic tools for testing sensor output
- Cleaning procedures for minor contamination
Nitrogen Oxide (NOx) Sensors
NOx sensors are essential for reducing harmful emissions in diesel and some gasoline engines. This section explains their role, operation, and troubleshooting in the CLA models.
Nitrogen Oxide (NOx) Sensors
NOx sensors are essential for reducing harmful emissions in diesel and some gasoline engines. This section explains their role, operation, and troubleshooting in the CLA models.
Function and Placement
- Monitors NOx levels in the exhaust stream
- Located downstream of the catalytic converter
- Works in conjunction with the SCR system
- Provides real-time data to the ECU
- Critical for meeting Euro 6 emission standards
- High-temperature resistant design
Troubleshooting NOx Sensors
- Common fault codes: P2200, P2201
- Symptoms of failure: increased emissions, reduced performance
- Testing procedures using diagnostic tools
- Replacement guidelines and calibration
- Impact of poor-quality diesel fuel
- Preventive maintenance tips
Particulate Matter (PM) Sensors
PM sensors are used in diesel engines to monitor soot levels in the exhaust. This section covers their operation, maintenance, and integration with the CLA's emission control systems.
Particulate Matter (PM) Sensors
PM sensors are used in diesel engines to monitor soot levels in the exhaust. This section covers their operation, maintenance, and integration with the CLA's emission control systems.
Operation and Integration
- Measures soot particles in the exhaust
- Connected to the diesel particulate filter (DPF)
- Provides data for DPF regeneration cycles
- High sensitivity for low-emission compliance
- Integrated with the vehicle's CAN bus system
- Self-diagnostic capabilities
Maintenance and Replacement
- Signs of failure: DPF warning lights, reduced efficiency
- Cleaning procedures for clogged sensors
- Replacement interval: 100,000 miles or as needed
- Compatibility with OEM and aftermarket parts
- Impact of frequent short-distance driving
- Diagnostic tools for PM sensor testing
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Component Specifications
Overview
- Type
- Oxygen Sensor
- Configuration
- Dual Sensor System
- Platform
- Bosch LSU 4.9
- Material
- Ceramic Electrolyte
- Location
- Exhaust System
Dimensions
- Length
- 2.36 inches / 60 mm
- Diameter
- 0.79 inches / 20 mm
- Thread Size
- M18 x 1.5
- Weight
- 0.22 lbs / 100 g
- Cable Length
- 23.62 inches / 600 mm
- Operating Temperature
- 392°F to 1472°F / 200°C to 800°C
- Voltage Range
- 0.1V to 0.9V
Materials
- Sensor Body
- Stainless Steel
- Electrolyte
- Zirconium Dioxide
- Protective Tube
- Aluminum Oxide
- Connector
- Thermoplastic
Features
- Monitoring
-
- Oxygen Level Detection
- Exhaust Gas Analysis
- Fuel Mixture Feedback
- Performance
-
- Fast Response Time
- High Accuracy
- Wide Temperature Range
- integration
-
- CAN Bus Compatibility
- Plug-and-Play Design
- Self-Diagnostic Capabilities
- Durability
-
- Corrosion Resistance
- Thermal Shock Resistance
- Vibration Resistance
- Environmental
-
- Low Emissions Compliance
- Recyclable Materials
- Energy Efficient
Safety Features
- Overheat Protection
-
- Automatic Shutdown
- Temperature Monitoring
- Electrical Safety
-
- Short Circuit Protection
- Voltage Stabilization
- Mechanical Safety
-
- Impact Resistant Housing
- Secure Mounting
Comfort Features
- installation
-
- Easy Access Design
- Tool-Free Connector
- Standardized Fitting
- Maintenance
-
- Self-Cleaning Function
- Long Service Life
- Minimal Calibration Needed
- Noise Reduction
-
- Silent Operation
- Vibration Dampening
Accessories
- Mounting
-
- Sensor Gasket
- Anti-Seize Compound
- Mounting Bracket
- Electrical
-
- Extension Cable
- Connector Adapter
- Wiring Harness
- Tools
-
- Socket Wrench
- Torque Wrench
- Diagnostic Scanner
Maintenance
- Service interval
- Every 60,000 miles / 5 years
- Service Items
-
- Inspect Sensor for Damage
- Check Electrical Connections
- Clean Sensor Surface
- Test Sensor Response
- Replace if Faulty
- Maintenance Notes
- Use OEM parts for replacement to ensure compatibility and performance.
Warranty
- Standard Warranty
- Miles: 50,000Years: 4Coverage: Parts and Labor
- Extended Warranty
- Miles: 100,000Years: 8Coverage: Parts Only
- Emissions Warranty
- Miles: 80,000Years: 7Coverage: Sensor and Related Components
- Warranty Terms
- Subject to proper maintenance and installation by certified technicians.
Production Details
- Manufacturer
- Bosch Automotive
- Manufacturing Process
-
- Precision Molding
- High-Temperature Sintering
- Automated Assembly
- Quality Control
- Testing: Leak Testing, Electrical Testing, Environmental TestingStandards: ISO 9001, ISO 14001
- Sustainability Practices
-
- Recyclable Materials
- Energy-Efficient Production
- Waste Reduction Programs
- Production Metrics
- Annual Output: 1.5 million unitsDefect Rate: 0.01%Lead Time: 4 weeks
Service Information for emissions_sensors Service
Maintenance and service requirements specific to this component
- Inspect Sensor for Physical Damage
- Check Electrical Connections
- Test Sensor Response Time
- Clean Sensor Surface
Ensure vehicle is at operating temperature before testing.
- Perform Full Diagnostic Scan
- Check for Fault Codes
- Test Sensor Accuracy
- Replace if Necessary
Use OEM replacement parts to maintain performance.
- Replace Sensor as Preventive Measure
- Inspect Exhaust System for Leaks
- Check Engine Performance
- Verify Emissions Compliance
Replacement recommended even if sensor appears functional.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Are the emissions sensors compatible with all 2013-2019 Mercedes CLA models?
Are the emissions sensors compatible with all 2013-2019 Mercedes CLA models?
The emissions sensors are designed to be compatible with all 2013-2019 Mercedes CLA models, including the CLA 200, CLA 220, CLA 250, and AMG variants. These sensors meet OEM specifications and are compatible with the vehicle's onboard diagnostic system (OBD-II). Ensure the correct part number is used for your specific model and engine type to guarantee proper functionality and compliance with emissions standards.
Q2 What maintenance is required for emissions sensors in the Mercedes CLA?
What maintenance is required for emissions sensors in the Mercedes CLA?
Emissions sensors in the Mercedes CLA require minimal maintenance but should be inspected during routine service intervals. Check for signs of contamination, damage, or wear every 15,000-20,000 miles. Ensure the sensor connections are clean and secure. If the Check Engine Light (CEL) illuminates, diagnose the issue promptly using a compatible OBD-II scanner. Replace the sensor if it fails to provide accurate readings or exceeds its service life.
Q3 How do I replace the emissions sensor in my Mercedes CLA?
How do I replace the emissions sensor in my Mercedes CLA?
To replace the emissions sensor, first, locate the sensor near the exhaust system. Disconnect the negative battery terminal for safety. Use an OBD-II scanner to clear any error codes. Unscrew the old sensor using a wrench or socket set, ensuring not to damage the threads. Install the new sensor by screwing it in tightly and reconnecting the electrical connector. Reconnect the battery and test the system to ensure proper operation.
Q4 What should I do if my emissions sensor malfunctions?
What should I do if my emissions sensor malfunctions?
If your emissions sensor malfunctions, start by checking for loose or corroded connections. Use an OBD-II scanner to read error codes, which can indicate specific issues such as a faulty sensor or exhaust system problems. Inspect the sensor for physical damage or contamination. If the sensor is defective, replace it with a compatible unit. Always ensure the exhaust system is in good condition to prevent sensor damage.
Q5 How can I optimize the performance of my emissions sensor?
How can I optimize the performance of my emissions sensor?
To optimize emissions sensor performance, ensure your vehicle is regularly serviced, including timely oil changes and air filter replacements. Use high-quality fuel to reduce sensor contamination. Avoid short trips, as they can prevent the sensor from reaching optimal operating temperature. Periodically inspect the exhaust system for leaks or damage, which can affect sensor readings. Follow the manufacturer's maintenance schedule for best results.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Mercedes CLA Emissions Sensor Service Manual
Coming SoonDetailed guide covering installation, maintenance, and troubleshooting of emissions sensors for 2013-2019 Mercedes CLA models.
Technical Service Bulletin for Emissions Sensors
Coming SoonLatest updates and fixes for common issues related to emissions sensors in Mercedes CLA vehicles.
Mercedes CLA Parts and Accessories Catalog
Coming SoonComprehensive catalog of OEM and aftermarket parts, including emissions sensors, for the 2013-2019 Mercedes CLA.
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