Mercedes-Benz Mercedes GLK 2008-2015 Emissions & Sensors Specifications
Detailed technical specifications for emissions sensors in the 2008-2015 Mercedes-Benz GLK. Includes oxygen, NOx, and temperature sensor data for repair, maintenance, and compliance purposes. Essential for automotive professionals and enthusiasts.
Overview Specifications
This document provides detailed specifications and technical information about the emissions sensors used in the 2008-2015 Mercedes GLK. It is designed to assist technicians, engineers, and enthusiasts in understanding the functionality, maintenance, and troubleshooting of these sensors. The document is organized into sections for easy navigation, with subsections detailing specific aspects of the emissions system. Use the search and navigation instructions to quickly locate the information you need.
How to Use
Use the search functionality to find specific terms or sensor names. Enter keywords like 'O2 sensor' or 'NOx sensor' to quickly locate relevant sections. The search bar is case-insensitive and supports partial matches.
Navigate through the document using the table of contents. Each major section is divided into subsections, which can be accessed by clicking on the corresponding title. Use the 'Quick Reference' section for a summary of key specifications.
Key Specifications
O2 Sensor Operating Temperature
300°C - 800°C
NOx Sensor Operating Temperature
Up to 900°C
PM Sensor Operating Temperature
Up to 600°C
O2 Sensor Replacement Interval
100,000 miles
NOx Sensor Replacement Interval
150,000 miles
Available Specifications
Oxygen (O2) Sensors
This section covers the oxygen sensors used in the Mercedes GLK, which are critical for monitoring the air-fuel ratio and ensuring optimal combustion. The sensors provide real-time data to the engine control unit (ECU) to adjust fuel injection and reduce emissions.
Oxygen (O2) Sensors
This section covers the oxygen sensors used in the Mercedes GLK, which are critical for monitoring the air-fuel ratio and ensuring optimal combustion. The sensors provide real-time data to the engine control unit (ECU) to adjust fuel injection and reduce emissions.
Location and Function
- Located in the exhaust system, upstream and downstream of the catalytic converter.
- Upstream sensor monitors the air-fuel ratio before combustion.
- Downstream sensor checks the efficiency of the catalytic converter.
- Sensors operate at high temperatures, typically between 300°C and 800°C.
- Output voltage ranges from 0.1V (lean mixture) to 0.9V (rich mixture).
- Replacement interval: approximately 100,000 miles.
Common Issues and Troubleshooting
- Symptoms of failure include poor fuel economy and increased emissions.
- Check for error codes P0130-P0135 (upstream sensor) or P0140-P0141 (downstream sensor).
- Inspect wiring for damage or corrosion.
- Use a multimeter to test sensor voltage and resistance.
- Replace sensors in pairs for optimal performance.
- Ensure proper installation to avoid exhaust leaks.
Nitrogen Oxide (NOx) Sensors
This section details the NOx sensors, which are essential for reducing nitrogen oxide emissions in diesel engines. These sensors help the vehicle comply with stringent emissions regulations by monitoring and controlling NOx levels.
Nitrogen Oxide (NOx) Sensors
This section details the NOx sensors, which are essential for reducing nitrogen oxide emissions in diesel engines. These sensors help the vehicle comply with stringent emissions regulations by monitoring and controlling NOx levels.
Operation and Calibration
- Located in the exhaust system, near the selective catalytic reduction (SCR) unit.
- Measures NOx concentration in parts per million (ppm).
- Requires periodic calibration for accurate readings.
- Operates at temperatures up to 900°C.
- Output signal is sent to the ECU for SCR system control.
- Replacement interval: approximately 150,000 miles.
Maintenance and Diagnostics
- Symptoms of failure include increased NOx emissions and SCR system errors.
- Check for error codes P2200-P2204 related to NOx sensor malfunction.
- Inspect for soot buildup or contamination.
- Use diagnostic tools to verify sensor output and response time.
- Replace sensors if calibration fails or readings are inconsistent.
- Ensure proper sealing to prevent exhaust gas leaks.
Particulate Matter (PM) Sensors
This section explains the role of particulate matter sensors in monitoring soot levels in the exhaust system. These sensors are crucial for diesel engines to comply with emissions standards and maintain engine performance.
Particulate Matter (PM) Sensors
This section explains the role of particulate matter sensors in monitoring soot levels in the exhaust system. These sensors are crucial for diesel engines to comply with emissions standards and maintain engine performance.
Function and Design
- Located downstream of the diesel particulate filter (DPF).
- Measures soot concentration to assess DPF efficiency.
- Operates at temperatures up to 600°C.
- Output signal is used to trigger DPF regeneration cycles.
- Replacement interval: approximately 120,000 miles.
- Sensitive to contamination and requires periodic cleaning.
Troubleshooting and Replacement
- Symptoms of failure include DPF clogging and reduced engine power.
- Check for error codes P2463-P2465 related to PM sensor issues.
- Inspect for physical damage or contamination.
- Use diagnostic tools to verify sensor output and response.
- Replace sensors if cleaning does not restore functionality.
- Ensure proper installation to avoid exhaust leaks.
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Component Specifications
Overview
- Type
- Oxygen (O2) and Nitrogen Oxide (NOx) sensors
- Configuration
- Dual-sensor system (upstream and downstream)
- Platform
- Integrated with ECU for real-time emissions monitoring
- Material
- High-temperature ceramic and stainless steel
- Location
- Exhaust system (pre-catalytic and post-catalytic converter)
Dimensions
- Sensor Length
- 3.15 inches (80 mm)
- Sensor Diameter
- 0.79 inches (20 mm)
- Thread Size
- M18 x 1.5
- Cable Length
- 24 inches (610 mm)
- Operating Temperature
- -40°F to 1562°F (-40°C to 850°C)
- Voltage Range
- 0.1V to 1.0V
- Response Time
- 0.2 seconds
Materials
- Sensor Body
- Stainless steel 304
- Sensing Element
- Zirconium dioxide ceramic
- Protective Tube
- Alumina ceramic
- Cable insulation
- High-temperature silicone
Features
- Monitoring
-
- Real-time O2 concentration measurement
- NOx emissions detection
- Catalytic converter efficiency analysis
- Exhaust gas temperature monitoring
- integration
-
- CAN bus communication
- ECU feedback loop
- Onboard diagnostics (OBD-II) compatibility
- Fault code generation
- Durability
-
- Resistant to thermal shock
- Corrosion-resistant housing
- Sealed against moisture ingress
- Vibration-resistant design
- Performance
-
- High accuracy (±1% of reading)
- Wide operating temperature range
- Low power consumption
- Self-diagnostic capabilities
Safety Features
- Thermal Protection
-
- Overheat shutdown
- Thermal insulation
- Electrical Safety
-
- Short-circuit protection
- Reverse polarity protection
- Mechanical Safety
-
- Impact-resistant housing
- Thread locking mechanism
Comfort Features
- installation
-
- Tool-free connector
- Pre-threaded design
- Plug-and-play compatibility
- Maintenance
-
- Self-cleaning function
- Easy access for replacement
- No calibration required
Accessories
- installation Tools
-
- O2 sensor socket
- Anti-seize compound
- Thread chaser
- Replacement Parts
-
- Sensor gasket
- Wiring harness
- Protective cap
- Diagnostic Tools
-
- OBD-II scanner
- Multimeter
- Signal simulator
Maintenance
- Service interval
- Every 60,000 miles or 5 years
- Service Items
-
- Inspect sensor wiring
- Check for fault codes
- Clean sensor threads
- Test sensor response
- Replace if out of specification
- Maintenance Notes
- Avoid using silicone-based sealants near the sensor
Warranty
- Standard Warranty
- Miles: 50,000Years: 4Coverage: Defects in materials and workmanship
- Extended Warranty
- Miles: 100,000Years: 8Coverage: Sensor failure due to normal wear
- Emissions Warranty
- Miles: 80,000Years: 7Coverage: Compliance with emissions standards
- Warranty Terms
- Void if tampered with or used with non-approved components
Production Details
- Manufacturer
- Bosch Automotive
- Manufacturing Process
-
- Precision ceramic molding
- Laser welding
- Automated calibration
- Quality Control
- Testing: Thermal cycling, Vibration testing, Signal accuracy verificationCertifications: ISO 9001, ISO 14001, OBD-II compliance
- Sustainability Practices
-
- Recyclable materials
- Low-emission manufacturing
- Energy-efficient production
- Production Metrics
- Annual Output: 2 million unitsDefect Rate: 0.01%Lead Time: 4 weeks
Service Information for emissions_sensors Service
Maintenance and service requirements specific to emissions sensors
- Inspect sensor wiring for damage
- Check for fault codes using OBD-II scanner
- Test sensor response time
- Clean sensor threads and apply anti-seize compound
Ensure the engine is cool before inspection
- Replace upstream O2 sensor
- Test downstream NOx sensor
- Inspect catalytic converter efficiency
- Verify ECU communication
Use OEM parts for replacement
- Replace both upstream and downstream sensors
- Perform exhaust system leak test
- Calibrate ECU for new sensors
- Conduct emissions performance test
Critical to ensure compliance with emissions standards
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Are the emissions sensors for the 2008-2015 Mercedes GLK compatible with other models?
Are the emissions sensors for the 2008-2015 Mercedes GLK compatible with other models?
The emissions sensors for the 2008-2015 Mercedes GLK are specifically designed for this model and may not be compatible with other vehicles. These sensors are calibrated to meet the emissions standards and engine configurations unique to the GLK. Always verify compatibility using the vehicle's VIN or consult the manufacturer's technical specifications before purchasing or installing.
Q2 What maintenance is required for the emissions sensors in a Mercedes GLK?
What maintenance is required for the emissions sensors in a Mercedes GLK?
Emissions sensors in the 2008-2015 Mercedes GLK require regular inspection during routine service intervals, typically every 10,000-15,000 miles. Ensure the sensors are free of debris and corrosion. Check for fault codes using an OBD-II scanner. Replace sensors if they fail or show signs of wear. Follow the manufacturer's maintenance schedule for optimal performance and compliance with emissions regulations.
Q3 How do I replace the emissions sensors in a 2008-2015 Mercedes GLK?
How do I replace the emissions sensors in a 2008-2015 Mercedes GLK?
To replace emissions sensors, first, locate the sensor near the exhaust system. Disconnect the electrical connector and use a wrench to remove the sensor. Install the new sensor by threading it into place and tightening it to the specified torque. Reconnect the electrical connector. Clear any fault codes using an OBD-II scanner and test the system to ensure proper functionality.
Q4 What should I do if the emissions sensor triggers a warning light?
What should I do if the emissions sensor triggers a warning light?
If the emissions sensor triggers a warning light, use an OBD-II scanner to read the fault code. Common issues include sensor failure, wiring damage, or exhaust system leaks. Inspect the sensor and wiring for damage or corrosion. Replace the sensor if necessary. If the issue persists, consult a professional technician for further diagnosis and repair.
Q5 How can I optimize the performance of my Mercedes GLK's emissions sensors?
How can I optimize the performance of my Mercedes GLK's emissions sensors?
To optimize emissions sensor performance, ensure the engine is well-maintained with regular oil changes, air filter replacements, and spark plug inspections. Use high-quality fuel and avoid short trips that prevent the engine from reaching optimal operating temperature. Regularly check for fault codes and address any issues promptly to maintain compliance with emissions standards.
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 GLK Emissions System Service Manual
Coming SoonDetailed guide covering the emissions system, including sensor locations, specifications, and troubleshooting procedures for the 2008-2015 GLK.
Technical Service Bulletin: Emissions Sensor Updates
Coming SoonLatest updates and recommendations for emissions sensors in the 2008-2015 Mercedes GLK, including software updates and part revisions.
Mercedes GLK Emissions Parts Catalog
Coming SoonComprehensive catalog of emissions-related parts, including sensors, connectors, and wiring harnesses for the 2008-2015 GLK.
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