Mercedes-Benz Mercedes B-Class 2011-2018 Emissions & Sensors Specifications
Comprehensive technical specifications for the emissions sensors in the 2011-2018 Mercedes B-Class. Includes oxygen sensors, NOx sensors, and particulate matter sensors, with details on compatibility, performance, and maintenance.
Overview Specifications
This document provides detailed specifications and technical information about the emissions sensors used in Mercedes B-Class vehicles from 2011 to 2018. It covers key components, functionality, and maintenance tips. Use this guide to understand the system's design, diagnose issues, and ensure optimal performance. The document is organized into sections for easy navigation, with a quick reference table for key specifications.
How to Use
Use the search function to quickly locate specific terms or components. Enter keywords like 'O2 sensor' or 'NOx sensor' to find relevant sections. Ensure your search terms are precise for accurate results.
Navigate through the document using the section titles in the table of contents. Each section is divided into subsections with detailed points. Use the quick reference table for a summary of key specifications.
Key Specifications
O2 Sensor Voltage Range
0.1-0.9 V
NOx Sensor Operating Temp
600-900 °C
Sensor Replacement Interval
60,000-100,000 miles
ECU Response Time
10-50 ms
Exhaust Gas Temp Range
200-650 °C
Available Specifications
Sensor Types and Functions
This section explains the different types of emissions sensors used in the Mercedes B-Class, including their roles in monitoring and controlling exhaust emissions. Learn about the O2 sensor, NOx sensor, and particulate matter sensor, and how they contribute to the vehicle's emissions system.
Sensor Types and Functions
This section explains the different types of emissions sensors used in the Mercedes B-Class, including their roles in monitoring and controlling exhaust emissions. Learn about the O2 sensor, NOx sensor, and particulate matter sensor, and how they contribute to the vehicle's emissions system.
Oxygen (O2) Sensor
- Monitors oxygen levels in the exhaust gases
- Helps optimize the air-fuel ratio
- Located in the exhaust manifold
- Signals the ECU for adjustments
- Replacement interval: 60,000-90,000 miles
Nitrogen Oxide (NOx) Sensor
- Detects NOx emissions in the exhaust
- Supports selective catalytic reduction (SCR)
- Positioned downstream of the catalytic converter
- Ensures compliance with emission standards
- Replacement interval: 100,000 miles
System Integration
This section covers how emissions sensors integrate with the vehicle's overall emissions control system. Understand the interaction between sensors, the engine control unit (ECU), and other components to maintain efficient operation and compliance with emissions regulations.
System Integration
This section covers how emissions sensors integrate with the vehicle's overall emissions control system. Understand the interaction between sensors, the engine control unit (ECU), and other components to maintain efficient operation and compliance with emissions regulations.
ECU Communication
- Sensors send real-time data to the ECU
- ECU adjusts fuel injection and timing
- Ensures optimal combustion efficiency
- Supports diagnostic trouble codes (DTCs)
Exhaust System Components
- Sensors work with catalytic converters
- Collaborates with SCR systems
- Monitors particulate filters
- Ensures proper exhaust gas recirculation (EGR)
Maintenance and Troubleshooting
This section provides guidance on maintaining and troubleshooting emissions sensors. Learn about common issues, diagnostic procedures, and best practices for ensuring the longevity and accuracy of the sensors.
Maintenance and Troubleshooting
This section provides guidance on maintaining and troubleshooting emissions sensors. Learn about common issues, diagnostic procedures, and best practices for ensuring the longevity and accuracy of the sensors.
Common Issues
- Sensor contamination from oil or fuel
- Electrical connection problems
- Degradation due to high temperatures
- Faulty readings leading to check engine light
Diagnostic Tips
- Use OBD-II scanner for error codes
- Check sensor wiring for damage
- Inspect for physical damage or corrosion
- Test sensor output with a multimeter
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Component Specifications
Overview
- Type
- Oxygen and NOx sensors
- Configuration
- Integrated exhaust system
- Platform
- Mercedes-Benz B-Class W246
- Material
- High-temperature ceramics
- Location
- Exhaust manifold and catalytic converter
Dimensions
- Length
- 3.15 in / 80 mm
- Diameter
- 0.98 in / 25 mm
- Thread Size
- M18x1.5
- Cable Length
- 23.6 in / 600 mm
- Operating Temperature
- -40°F to 1472°F / -40°C to 800°C
- Weight
- 0.33 lb / 150 g
- Voltage Range
- 0.1V to 1.0V
Materials
- Sensing Element
- Zirconia ceramic
- Housing
- Stainless steel
- Wiring
- High-temperature silicone
- Seal
- PTFE gasket
Features
- Monitoring
-
- Oxygen level detection
- NOx level detection
- Exhaust temperature monitoring
- Communication
-
- CAN bus integration
- Real-time data transmission
- Fault code reporting
- Durability
-
- High-temperature resistance
- Corrosion protection
- Vibration resistance
- Performance
-
- Fast response time
- High accuracy
- Self-diagnostic capability
- Environmental
-
- Compliance with Euro 5 and Euro 6 standards
- Low power consumption
- Recyclable materials
Safety Features
- Overheat Protection
-
- Automatic shutdown at critical temperatures
- Thermal insulation
- Electrical Safety
-
- Short-circuit protection
- Reverse polarity protection
- Mechanical Safety
-
- Vibration-resistant mounting
- Sealed housing
Comfort Features
- installation
-
- Easy plug-and-play design
- Pre-calibrated sensor
- Maintenance
-
- Self-cleaning function
- Long service life
- Noise Reduction
-
- Silent operation
- Vibration dampening
- User Feedback
-
- Real-time data display
- Diagnostic alerts
Accessories
- Tools
-
- Sensor socket wrench
- Thread sealant
- Wire connectors
- Replacements
-
- Replacement gaskets
- Spare sensors
- Extension cables
- Testing
-
- OBD-II scanner
- Multimeter
- Diagnostic software
Maintenance
- Service interval
- 60,000 miles / 5 years
- Service Items
-
- Inspect sensor wiring
- Check for exhaust leaks
- Test sensor output
- Clean sensor tip
- Replace if faulty
- Maintenance Notes
- Ensure proper sealing during installation to prevent exhaust leaks.
Warranty
- Basic Warranty
- Miles: 50,000Years: 4Coverage: Parts and labor for defects
- Emissions Warranty
- Miles: 70,000Years: 7Coverage: Sensor replacement for emissions compliance
- Extended Warranty
- Miles: 100,000Years: 10Coverage: Optional extended coverage
- Warranty Terms
- Warranty void if tampered with or installed improperly.
Production Details
- Manufacturer
- Bosch
- Manufacturing Process
-
- Ceramic sintering
- Precision machining
- Automated assembly
- Quality Control
- Testing: 100% functional testingStandards: ISO 9001 certified
- Sustainability Practices
-
- Use of recyclable materials
- Energy-efficient production
- Low-emission manufacturing
- Production Metrics
- Annual Output: 1.5 million unitsDefect Rate: 0.01%Lead Time: 2 weeks
Service Information for emissions_sensors Service
Maintenance and service requirements specific to this component
- Inspect sensor wiring
- Check for exhaust leaks
- Test sensor output
- Clean sensor tip
Ensure proper sealing during inspection.
- Test sensor accuracy
- Replace gasket if needed
- Check CAN bus communication
- Perform diagnostic scan
Use OEM parts for replacements.
- Replace sensor if faulty
- Inspect exhaust system integrity
- Test emissions levels
- Verify compliance with standards
Critical to replace sensors at this interval for optimal performance.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Are the emissions sensors compatible with all Mercedes B-Class models from 2011-2018?
Are the emissions sensors compatible with all Mercedes B-Class models from 2011-2018?
The emissions sensors are designed to be compatible with all Mercedes B-Class models produced between 2011 and 2018. However, slight variations may exist depending on the engine type and regional specifications. It is recommended to verify the specific part number and compatibility with your vehicle's VIN (Vehicle Identification Number) before purchase.
Q2 What maintenance is required for emissions sensors in the Mercedes B-Class?
What maintenance is required for emissions sensors in the Mercedes B-Class?
Emissions sensors in the Mercedes B-Class require minimal maintenance. Regular inspections during routine service intervals are recommended to ensure proper function. Cleaning the sensor with appropriate solvents can prevent contamination. If a fault code related to emissions is detected, the sensor should be tested and replaced if necessary to maintain optimal vehicle performance and emissions compliance.
Q3 How do I replace the emissions sensor in a 2011-2018 Mercedes B-Class?
How do I replace the emissions sensor in a 2011-2018 Mercedes B-Class?
To replace the emissions sensor, first, locate the sensor near the exhaust system. Disconnect the electrical connector and use a wrench to remove the old sensor. Install the new sensor by threading it into place and tightening it to the specified torque. Reconnect the electrical connector. Ensure the vehicle’s engine control unit (ECU) is reset or reprogrammed if necessary to recognize the new sensor.
Q4 What should I do if the emissions sensor is malfunctioning?
What should I do if the emissions sensor is malfunctioning?
If the emissions sensor malfunctions, first check for diagnostic trouble codes (DTCs) using an OBD-II scanner. Inspect the sensor for physical damage or contamination. Clean or replace the sensor if necessary. Ensure all electrical connections are secure. If the issue persists, consult a certified technician for further diagnosis and repair.
Q5 How can I optimize the performance of the emissions sensors?
How can I optimize the performance of the emissions sensors?
To optimize emissions sensor performance, ensure the engine is running efficiently with regular maintenance, including air filter and spark plug replacements. Use high-quality fuel to minimize sensor contamination. Avoid short trips that prevent the sensor from reaching optimal operating temperature. Regularly clear fault codes and update the vehicle’s software to maintain compatibility with the sensor.
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 B-Class Emissions Sensor Service Manual
Coming SoonThis manual provides detailed instructions on maintaining, diagnosing, and replacing emissions sensors for the 2011-2018 Mercedes B-Class.
Technical Service Bulletin: Emissions Sensor Updates
Coming SoonThis bulletin outlines updates and improvements for emissions sensors in Mercedes B-Class vehicles from 2011 to 2018.
Mercedes B-Class Emissions Parts Catalog
Coming SoonA comprehensive catalog listing all emissions-related parts for the 2011-2018 Mercedes B-Class, including sensors and connectors.
About the Author
Expert automotive knowledge and experience
'/%3E%3Cpath d='M60 30a20 20 0 1 1 0 40 20 20 0 0 1 0-40zm0 45c16.5 0 30 7.5 30 16.8V100H30v-8.2c0-9.3 13.5-16.8 30-16.8z' fill='%23404040'/%3E%3C/svg%3E)
Diagnostic
Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.
Repair
Expert in both traditional mechanical repairs and modern vehicle systems.
Additional Expertise
Documentation
Created over 500 detailed repair guides and technical documents.
Training
Conducted technical training sessions and contributed to repair databases.
Certifications & Research
Certifications
- ASE Master Technician Certification
- Advanced Diagnostic Specialist
- Hybrid/Electric Vehicle Systems
- Performance Tuning Expert
Research & Community
Actively researches emerging technologies and contributes to automotive forums.
Legal Disclaimer
Important information about using this content
Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.
General Information
Warranty & Liability
The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.
We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.
Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.