Standard Ignition FLS278 Engine Coolant Level Sensor

Engine Coolant Level Sensor for Mercedes-Benz and Sprinter

Standard Ignition FLS278 is an engine coolant level sensor for vehicles equipped with a 12-volt electrical system. It uses a plug-in connector with a female connector housing, male pin terminals, and a push-on attachment method for direct replacement service. This coolant level sensor helps monitor coolant reservoir level on select Mercedes-Benz and Dodge Sprinter applications.

Key Features

• Engine coolant level sensor for cooling system monitoring
• 12-volt electrical specification
• Push-on attachment method
• Plug-in connector with 1 female connector and 2 male pin terminals
• Direct-fit service part for select Mercedes-Benz C-Class, E-Class, S-Class, SL-Class, and Sprinter models
• Standard Ignition FLS278 part number for catalog and service matching

Detailed Description

Standard Ignition FLS278 is built for coolant level monitoring in a wide range of Mercedes-Benz passenger vehicles and Dodge Sprinter vans. It is listed for applications including 2007-2009 Dodge Sprinter 2500 and Sprinter 3500, plus select 2000-2006 Mercedes-Benz S-Class, CL-Class, E-Class, C-Class, CLK-Class, SL-Class, SLK-Class, G-Class, and related models. If you are replacing a failed coolant level sensor on a Mercedes-Benz C230, E500, or S430, this part number provides a direct service reference for the correct application.

This part cross-references Hella 005923081 and VEMO V30-72-0094 for the same application.

What It Helps Address

• Low coolant warning light or message
• Inaccurate coolant reservoir level readings
• Intermittent coolant level sensor signal
• Electrical connection issues at the reservoir sensor
• Replacement needs after sensor wear or contamination

Installation Notes and Tips

Verify connector style, terminal layout, and vehicle application before installation. Standard Ignition FLS278 uses a plug-in connector, female connector gender, male pin terminals, and a push-on attachment method, so matching the original sensor interface is important. Confirm the vehicle is a 12-volt application and compare the existing sensor location and reservoir connection before service. For Mercedes-Benz C230, E320, and S500 applications, check the coolant reservoir and harness connector for corrosion or damaged terminals during replacement.

Quality Assurance

Standard Ignition supplies service parts for OE-style replacement needs, and this coolant level sensor is cataloged to match the listed fitments and electrical specifications for proper service selection.