Mercedes-Benz Mercedes CLA 2019-present Emissions & Sensors Specifications
Explore the detailed specifications for emissions sensors in the 2019-Present Mercedes-Benz CLA. Learn about sensor types, locations, functionalities, and compliance with emissions standards. Ideal for technicians and owners.
Overview Specifications
This document provides detailed specifications and technical information about the emissions sensors used in the 2019-Present Mercedes-Benz CLA. It is designed to assist users in understanding the functionality, features, and maintenance of these sensors. The guide includes sections on sensor types, performance metrics, integration with vehicle systems, and troubleshooting tips. Use the search and navigation instructions to quickly find relevant information.
How to Use
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Key Specifications
O2 Sensor Accuracy
±1%
NOx Sensor Precision
±5 ppm
O2 Sensor Response Time
100 ms
NOx Sensor Response Time
200 ms
Replacement Interval
60,000-100,000 miles
Available Specifications
Sensor Types
This section covers the different types of emissions sensors used in the Mercedes-Benz CLA, including their locations and primary functions. Learn about O2 sensors, NOx sensors, and particulate matter sensors, and how they contribute to reducing emissions and improving engine performance.
Sensor Types
This section covers the different types of emissions sensors used in the Mercedes-Benz CLA, including their locations and primary functions. Learn about O2 sensors, NOx sensors, and particulate matter sensors, and how they contribute to reducing emissions and improving engine performance.
Oxygen (O2) Sensors
- Monitors oxygen levels in the exhaust stream
- Located before and after the catalytic converter
- Provides data for optimal air-fuel ratio
- Supports fuel efficiency and emission control
- Requires periodic replacement
- Error codes indicate malfunction
Nitrogen Oxide (NOx) Sensors
- Measures NOx emissions in the exhaust
- Critical for compliance with emission standards
- Located in the exhaust system
- Works with SCR (Selective Catalytic Reduction) system
- High sensitivity to ensure accuracy
- Replacement interval depends on usage
Performance Metrics
This section delves into the performance characteristics of emissions sensors, including accuracy, response time, and durability. Understand how these metrics impact overall vehicle performance and emissions compliance.
Performance Metrics
This section delves into the performance characteristics of emissions sensors, including accuracy, response time, and durability. Understand how these metrics impact overall vehicle performance and emissions compliance.
Accuracy
- O2 sensors accurate within ±1% of actual value
- NOx sensors precise to ±5 ppm
- Calibrated during manufacturing
- Affected by contamination or aging
- Regular diagnostics ensure accuracy
- Replacement restores precision
Response Time
- O2 sensors respond within 100 milliseconds
- NOx sensors react in under 200 milliseconds
- Critical for real-time emission control
- Faster response improves engine efficiency
- Delays indicate sensor degradation
- Maintenance prevents slowdowns
Integration with Vehicle Systems
Explore how emissions sensors integrate with the Mercedes-Benz CLA's onboard systems, including the Engine Control Unit (ECU) and diagnostics. Learn about communication protocols and system dependencies.
Integration with Vehicle Systems
Explore how emissions sensors integrate with the Mercedes-Benz CLA's onboard systems, including the Engine Control Unit (ECU) and diagnostics. Learn about communication protocols and system dependencies.
ECU Communication
- Sensors transmit data via CAN bus
- ECU adjusts fuel injection based on sensor input
- Real-time feedback for emission control
- Error codes logged in ECU for diagnostics
- Software updates improve integration
- Compatibility with other vehicle systems
Diagnostics and Maintenance
- Integrated into onboard diagnostics (OBD-II)
- Error codes indicate sensor issues
- Regular diagnostics prevent failures
- Replacement guided by ECU data
- Maintenance schedules in owner's manual
- Professional servicing recommended
Search Specifications
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Component Specifications
Overview
- Type
- Oxygen (O2) and Nitrogen Oxide (NOx) Sensors
- Configuration
- Dual-sensor system
- Platform
- Modular sensor architecture
- Material
- High-temperature ceramic
- Location
- Exhaust system, pre and post-catalytic converter
Dimensions
- Length
- 3.15 in / 80 mm
- Diameter
- 0.98 in / 25 mm
- Thread Size
- M18 x 1.5
- Operating Temperature
- -40°F to 1472°F / -40°C to 800°C
- Weight
- 0.22 lb / 100 g
- Cable Length
- 23.6 in / 600 mm
- Housing Diameter
- 1.18 in / 30 mm
Materials
- Sensor Element
- Zirconium dioxide ceramic
- Housing
- Stainless steel (grade 304)
- Sealing Gasket
- Copper-plated steel
- Cable Sheathing
- High-temperature silicone
- Connector
- Thermoplastic
Features
- Performance
-
- Real-time emissions monitoring
- Wide operating temperature range
- High accuracy and response time
- Durability
-
- Resistant to corrosion
- Shock and vibration resistant
- Long service life
- integration
-
- CAN bus compatible
- Plug-and-play installation
- Self-diagnostic capabilities
- Environmental
-
- Low power consumption
- Compliant with Euro 6 standards
- Reduced false readings
- Safety
-
- Overheat protection
- Short-circuit protection
- Reverse polarity protection
Safety Features
- Electrical
-
- Insulated wiring
- EMI shielding
- Mechanical
-
- Vibration dampening
- Sealed housing
- Operational
-
- Fault detection alerts
- Fail-safe mode
Comfort Features
- installation
-
- Tool-free connector
- Pre-calibrated sensor
- Maintenance
-
- Easy access design
- Minimal cleaning required
- Performance
-
- Consistent readings
- Noise reduction
- Compatibility
-
- Works with all fuel types
- Supports hybrid systems
Accessories
- installation
-
- Replacement gasket
- Thread sealant
- Sensor socket tool
- Testing
-
- Diagnostic scanner
- Multimeter
- Oscilloscope
- Replacement
-
- Spare sensor
- Extension cable
- Connector kit
Maintenance
- Service interval
- Every 60,000 miles / 5 years
- Service Items
-
- Inspect sensor for damage
- Check wiring and connectors
- Clean sensor tip
- Test sensor response
- Replace if faulty
- Notes
- Avoid using silicone-based lubricants near the sensor.
Warranty
- Standard
- Miles: 50,000Years: 4Coverage: Parts and labor
- Extended
- Miles: 100,000Years: 8Coverage: Parts only
- Emissions
- Miles: 150,000Years: 10Coverage: Federal emissions compliance
- Terms
- Warranty void if tampered with or exposed to improper cleaning agents.
Production Details
- Manufacturer
- Bosch GmbH
- Manufacturing Process
-
- Ceramic sintering
- Laser welding
- Automated assembly
- Quality Control
- Testing: 100% functional testingCalibration: Precision calibration
- Sustainability
-
- Recyclable materials
- Low emissions manufacturing
- Energy-efficient production
- Production Metrics
- Units Per Year: 500,000Defect Rate: 0.01%
Service Information for emissions_sensors Service
Maintenance and service requirements specific to this component
- Inspect sensor for physical damage
- Check wiring and connectors
- Test sensor response time
- Clear error codes
- Verify emissions readings
Use OEM-approved diagnostic tools for testing.
- Clean sensor tip with approved cleaner
- Replace sealing gasket
- Check for exhaust leaks
- Test CAN bus communication
- Verify calibration
Do not use abrasive materials for cleaning.
- Replace sensor if necessary
- Inspect entire exhaust system
- Perform full emissions test
- Check ECU compatibility
- Update firmware if available
Replacement sensors must be pre-calibrated.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Are the emissions sensors compatible with all 2019-Present Mercedes CLA models?
Are the emissions sensors compatible with all 2019-Present Mercedes CLA models?
Yes, the emissions sensors are designed to be compatible with all 2019-Present Mercedes CLA models, including the CLA 250 and CLA 35 AMG. These sensors are engineered to meet the specific emission standards and technical specifications of these vehicles, ensuring accurate monitoring and compliance with environmental regulations.
Q2 What are the maintenance requirements for the emissions sensors?
What are the maintenance requirements for the emissions sensors?
The emissions sensors in the 2019-Present Mercedes CLA require minimal maintenance. Regular inspections during scheduled service intervals are recommended to ensure proper functioning. The sensors should be checked for contamination or damage, and connections should be verified for integrity. Any fault codes related to the emissions system should be addressed promptly to maintain optimal performance.
Q3 How do I install or replace the emissions sensors in my Mercedes CLA?
How do I install or replace the emissions sensors in my Mercedes CLA?
To install or replace the emissions sensors, first, locate the sensor near the exhaust system. Disconnect the electrical connector and unscrew the sensor using the appropriate tools. Install the new sensor by threading it into place and reconnecting the electrical connector. Ensure the sensor is securely fitted and free from leaks. For precise instructions, refer to the vehicle's service manual.
Q4 What should I do if the emissions sensor triggers a fault code?
What should I do if the emissions sensor triggers a fault code?
If the emissions sensor triggers a fault code, start by checking the sensor's connection and wiring for any damage or corrosion. Inspect the sensor for contamination or physical damage. If the issue persists, use a diagnostic tool to read the specific fault code and follow the recommended troubleshooting steps. In some cases, the sensor may need to be replaced to resolve the issue.
Q5 How can I optimize the performance of the emissions sensors?
How can I optimize the performance of the emissions sensors?
To optimize the performance of the emissions sensors, ensure the vehicle's engine is well-maintained and running efficiently. Regularly check and replace air filters, fuel filters, and spark plugs as needed. Avoid using low-quality fuel, as it can affect sensor accuracy. Additionally, address any engine performance issues promptly to prevent unnecessary strain on the emissions system.
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 2019-Present Service Manual
Coming SoonThis manual provides detailed instructions for servicing and maintaining your Mercedes CLA, including the emissions system.
Emissions System Technical Bulletin
Coming SoonThis bulletin contains updates and technical information related to the emissions system for 2019-Present Mercedes CLA models.
Mercedes CLA Parts Catalog
Coming SoonThis catalog lists all parts and accessories available for the 2019-Present Mercedes CLA, including emissions sensors.
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