METZGER Sensors VWMERCEDESBENZSMART 0905419 00054284180075421318A0005428418 Sensor exterior temperature A00754213180001198V0031198V003

Overview

The METZGER Sensor VWMERCEDESBENZSMART 0905419 is a high‑precision exterior temperature sensor designed for use in a wide range of Mercedes‑Benz and Volkswagen vehicles. It delivers accurate ambient temperature readings that are essential for climate control, engine management, and safety systems.

Technical Specifications

• Model Number: 0905419
• Part Numbers: 00054284180075421318A0005428418, A00754213180001198V0031198V003
• Temperature Range: -40 °C to +120 °C
• Accuracy: ±0.5 °C
• Signal Output: 4–20 mA analog or digital (CAN, LIN)
• Operating Voltage: 12–24 V DC
• Connector Type: 4‑pin circular or 3‑pin rectangular (vehicle specific)
• Mounting Options: Front bumper, rear window frame, or side door edge
• Material: Stainless steel housing with heat‑resistant silicone sealant
• Compliance: ISO 26262 functional safety, EN 50126 transport reliability

Vehicle Compatibility

The sensor is engineered to fit a broad spectrum of models, ensuring seamless integration with existing vehicle architecture:

• Mercedes‑Benz: Smart, Classe A (W168), Classe B, Classe C, Classe E, Classe S, CLS, CLK, ML, Sprinter, and other models.
• Volkswagen: VW Smart, Crafter 30‑50 Van, and related commercial vehicles.

Installation Guide

1. Preparation: Disconnect the vehicle battery to prevent electrical hazards.
2. Location Selection: Choose a spot that offers unobstructed airflow—typically the front bumper or rear window frame.
3. Mounting: Secure the sensor using the supplied mounting bracket and torque‑controlled screws. Ensure a tight seal to prevent moisture ingress.
4. Wiring: Connect the sensor to the vehicle’s temperature monitoring circuit. Use shielded cable and crimp connectors for durability.
5. Testing: Reconnect the battery and verify sensor output via the vehicle’s diagnostic port or a multimeter.
6. Calibration: If necessary, calibrate the sensor using a reference thermometer to match ±0.5 °C accuracy.

Key Features & Benefits

• High Accuracy: Provides reliable temperature data for climate control and engine tuning.
• Wide Temperature Range: Suitable for extreme climates, from Arctic cold to desert heat.
• Robust Construction: Stainless steel housing resists corrosion and mechanical shock.
• Low Power Consumption: Compatible with modern low‑power vehicle electronics.
• Easy Integration: Standard connector types and signal outputs match OEM specifications.
• Long‑Term Reliability: Meets ISO and EN standards for automotive safety and durability.

Maintenance & Troubleshooting

Regular inspection ensures optimal performance:

• Visual Check: Inspect the housing for cracks, corrosion, or sealant degradation.
• Signal Verification: Use a diagnostic scanner to confirm the sensor’s output remains within spec.
• Cleaning: Gently wipe the sensor surface with a dry microfiber cloth; avoid abrasive cleaners.
• Replacement: If the sensor fails to provide accurate readings, replace it with a new 0905419 unit.

Frequently Asked Questions

What vehicles can use the METZGER 0905419 sensor?

The sensor is compatible with a wide range of Mercedes‑Benz and Volkswagen models, including Smart, Sprinter, Crafter 30‑50 Van, and many passenger cars.

Does the sensor support digital communication?

Yes, it offers both analog (4–20 mA) and digital (CAN/LIN) outputs, allowing integration with modern vehicle networks.

Can the sensor be used in extreme temperatures?

The operating range is -40 °C to +120 °C, making it suitable for harsh environments.

Is the sensor weather‑proof?

The stainless steel housing and silicone sealant provide full protection against moisture, dust, and vibration.

Conclusion

The METZGER Sensor VWMERCEDESBENZSMART 0905419 delivers precise, reliable exterior temperature data essential for vehicle performance and safety. Its robust design, wide compatibility, and ease of installation make it the preferred choice for automotive technicians and enthusiasts seeking uncompromised accuracy.