Mercedes-Benz Mercedes GLS 2016-2019 Emissions & Sensors Specifications
Explore the detailed emissions sensors specifications for the 2016-2019 Mercedes GLS. Learn about sensor types, locations, functions, and compatibility for diagnostics, repairs, and upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the emissions sensors used in the 2016-2019 Mercedes-Benz GLS models. 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 document or use the table of contents to jump to specific sections. 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 Detection Range
0-10 mg/m³
Sensor Voltage Range
0.1-5.0 V
Replacement Interval
100,000 miles
Available Specifications
Oxygen (O2) Sensors
Oxygen sensors are critical components in the emissions control system, monitoring the oxygen levels in the exhaust gases to optimize fuel efficiency and reduce emissions. This section covers their types, locations, and operational details.
Oxygen (O2) Sensors
Oxygen sensors are critical components in the emissions control system, monitoring the oxygen levels in the exhaust gases to optimize fuel efficiency and reduce emissions. This section covers their types, locations, and operational details.
Types of O2 Sensors
- Wideband O2 sensors for precise air-fuel ratio measurement
- Narrowband O2 sensors for basic feedback control
- Upstream sensors located before the catalytic converter
- Downstream sensors located after the catalytic converter
Maintenance and Troubleshooting
- Recommended replacement interval: 100,000 miles
- Common symptoms of failure: poor fuel economy, check engine light
- Diagnostic trouble codes (DTCs): P0130-P0167
- Cleaning procedures for minor contamination
Nitrogen Oxide (NOx) Sensors
NOx sensors are essential for monitoring and controlling nitrogen oxide emissions, particularly in diesel engines. This section explains their role, operation, and maintenance.
Nitrogen Oxide (NOx) Sensors
NOx sensors are essential for monitoring and controlling nitrogen oxide emissions, particularly in diesel engines. This section explains their role, operation, and maintenance.
Function and Placement
- Measures NOx levels in the exhaust stream
- Located downstream of the selective catalytic reduction (SCR) system
- Works in conjunction with the AdBlue injection system
- Ensures compliance with Euro 6 and EPA Tier 3 standards
Common Issues and Solutions
- Sensor contamination from soot or oil
- Diagnostic trouble codes (DTCs): P2200-P2209
- Replacement cost and procedure
- Calibration requirements after replacement
Particulate Matter (PM) Sensors
PM sensors detect soot particles in the exhaust, ensuring the diesel particulate filter (DPF) is functioning correctly. This section provides insights into their operation and maintenance.
Particulate Matter (PM) Sensors
PM sensors detect soot particles in the exhaust, ensuring the diesel particulate filter (DPF) is functioning correctly. This section provides insights into their operation and maintenance.
Sensor Operation
- Measures soot concentration in the exhaust
- Triggers DPF regeneration when necessary
- Integrated with the engine control unit (ECU)
- Supports compliance with emission regulations
Maintenance Tips
- Inspect during routine DPF maintenance
- Check for clogging or damage
- Replace if readings are inconsistent
- Ensure proper electrical connections
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Component Specifications
Overview
- Type
- Oxygen (O2) and Nitrogen Oxide (NOx) Sensors
- Configuration
- Dual-sensor system for exhaust monitoring
- Platform
- Integrated with Mercedes-Benz Engine Control Unit (ECU)
- Material
- High-temperature ceramic and stainless steel
- Location
- Mounted in exhaust system pre- and post-catalytic converter
Dimensions
- Sensor Length
- 3.15 in (80 mm)
- Sensor Diameter
- 0.79 in (20 mm)
- Thread Size
- M18 x 1.5
- Cable Length
- 23.62 in (600 mm)
- Operating Temperature
- -40°F to 1562°F (-40°C to 850°C)
- Weight
- 0.22 lbs (100 g)
- Voltage Range
- 0.1V to 1.0V
Materials
- Sensor Body
- Stainless steel 304
- Sensing Element
- Zirconium dioxide ceramic
- Heater Element
- Platinum wire
- Protective Tube
- Alumina ceramic
- Cable insulation
- High-temperature silicone
Features
- Monitoring
-
- Real-time exhaust gas analysis
- O2 concentration measurement
- NOx concentration measurement
- Air-fuel ratio calculation
- Performance
-
- Fast response time (<100 ms)
- Self-diagnostic capability
- Wide operating temperature range
- Resistance to thermal shock
- integration
-
- CAN bus communication
- ECU synchronization
- Onboard diagnostics (OBD-II)
- Adaptive learning capability
- Durability
-
- Corrosion-resistant housing
- Vibration-resistant design
- Sealed against moisture ingress
- Long service life (up to 100,000 miles)
- Safety
-
- Over-temperature protection
- Short-circuit protection
- Reverse polarity protection
- Fail-safe operation
Safety Features
- Electrical Safety
-
- Insulated connectors
- Shielded cables
- Ground fault detection
- Thermal Protection
-
- Automatic heater control
- Overheat shutdown
- Thermal overload protection
- Environmental Protection
-
- IP67-rated housing
- Chemical-resistant seals
- UV-resistant cable
Comfort Features
- installation
-
- Standardized thread size
- Pre-assembled connectors
- Tool-free cable routing
- Maintenance
-
- Self-cleaning function
- Easy access design
- Plug-and-play replacement
- Diagnostics
-
- Real-time error codes
- Onboard status indicators
- Compatible with Mercedes STAR Diagnostic
Accessories
- installation Tools
-
- O2 sensor socket
- Anti-seize compound
- Torque wrench adapter
- Replacement Parts
-
- Sensor gaskets
- Protective caps
- Wiring harness extensions
- Testing Equipment
-
- OBD-II scanner
- Multimeter probes
- Exhaust gas analyzer
Maintenance
- Service interval
- Every 60,000 miles or 5 years
- Service Items
-
- Sensor performance check
- Connector inspection
- Cable integrity test
- Heater circuit test
- Exhaust system leak check
- Maintenance Notes
- Use only Mercedes-approved replacement sensors for optimal performance
Warranty
- Basic Coverage
- Miles: 50,000Years: 4Coverage: Parts and labor
- Emissions Warranty
- Miles: 80,000Years: 8Coverage: Sensor replacement
- Extended Coverage
- Miles: 100,000Years: 10Coverage: Pro-rated replacement
- Warranty Terms
- Valid only with proper maintenance records
Production Details
- Manufacturer
- Bosch Automotive
- Manufacturing Process
-
- Precision ceramic molding
- Automated assembly
- Laser welding
- 100% functional testing
- Quality Control
- Testing: Thermal cycling, Vibration testing, Gas response calibrationCertifications: ISO 9001, ISO/TS 16949, RoHS compliant
- Sustainability Practices
-
- Recyclable materials
- Low-energy manufacturing
- Lead-free components
- 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
- Visual inspection of sensor and wiring
- Check for error codes
- Test sensor response time
- Inspect exhaust system for leaks
- Verify heater circuit operation
Use Mercedes STAR Diagnostic for accurate testing
- Perform full sensor diagnostic
- Check connector integrity
- Test cable insulation resistance
- Verify calibration accuracy
- Inspect mounting threads
Replace sensor if response time exceeds specifications
- Replace oxygen sensors
- Perform exhaust system pressure test
- Check ECU sensor calibration
- Inspect catalytic converter efficiency
- Verify NOx sensor operation
Critical to maintain emissions compliance at this interval
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Are the emissions sensors compatible with all 2016-2019 Mercedes GLS models?
Are the emissions sensors compatible with all 2016-2019 Mercedes GLS models?
The emissions sensors are specifically designed to be compatible with all 2016-2019 Mercedes GLS models, including GLS 450, GLS 550, and GLS 63 AMG variants. These sensors meet OEM specifications and are engineered to integrate seamlessly with the vehicle's exhaust and emissions control systems. Always verify the specific part number to ensure compatibility with your vehicle's configuration.
Q2 What maintenance is required for emissions sensors in the Mercedes GLS?
What maintenance is required for emissions sensors in the Mercedes GLS?
Emissions sensors in the 2016-2019 Mercedes GLS require minimal maintenance but should be inspected during routine service intervals, typically every 10,000-15,000 miles. Ensure the sensors are free of debris, corrosion, or damage. Regularly check for error codes related to emissions systems using a diagnostic tool. Replace sensors if they fail or show signs of malfunction to maintain optimal performance and compliance with emissions standards.
Q3 How do I install or replace emissions sensors in a Mercedes GLS?
How do I install or replace emissions sensors in a Mercedes GLS?
To install or replace emissions sensors in a 2016-2019 Mercedes GLS, first, locate the sensor in the exhaust system. Disconnect the electrical connector and use a specialized sensor removal tool to unscrew the old sensor. Install the new sensor by threading it into place and tightening it to the manufacturer's torque specifications. Reconnect the electrical connector and clear any error codes using a diagnostic tool to ensure proper functionality.
Q4 What should I do if the emissions sensor triggers a check engine light?
What should I do if the emissions sensor triggers a check engine light?
If the emissions sensor triggers a check engine light, first use an OBD-II scanner to retrieve the error code. Common issues include sensor contamination, wiring damage, or exhaust system leaks. Inspect the sensor and wiring for damage or corrosion. Clean or replace the sensor if necessary. If the issue persists, consult a certified technician to diagnose and repair the underlying problem.
Q5 How can I optimize the performance of emissions sensors in my Mercedes GLS?
How can I optimize the performance of emissions sensors in my Mercedes GLS?
To optimize emissions sensor performance, ensure your Mercedes GLS is regularly serviced and the engine is running efficiently. Use high-quality fuel and avoid short trips that prevent the engine from reaching optimal operating temperature. Periodically inspect the exhaust system for leaks or damage. Replace sensors as recommended by the manufacturer to maintain accurate emissions monitoring and vehicle performance.
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 GLS Emissions System Service Manual
Coming SoonThis manual provides detailed instructions for servicing and maintaining the emissions system in 2016-2019 Mercedes GLS models, including sensor locations and diagnostic procedures.
Technical Service Bulletin: Emissions Sensor Updates
Coming SoonThis bulletin outlines updates and improvements to emissions sensors for 2016-2019 Mercedes GLS models, including part number changes and installation guidelines.
Mercedes GLS Emissions Parts Catalog
Coming SoonThis catalog lists all emissions-related parts and accessories for 2016-2019 Mercedes GLS models, including sensors, gaskets, and mounting hardware.
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