Standard Ignition EFH211 Diesel Exhaust Fluid (DEF) Heater

Diesel Exhaust Fluid Heater for Mercedes-Benz

Standard Ignition EFH211 is a diesel exhaust fluid (DEF) heater built for emission control service on select Mercedes-Benz diesel applications. It is a direct-fit replacement for vehicles that need reliable DEF heating to maintain proper fluid flow in cold conditions.

Compatible With 2010-2015 Mercedes-Benz ML350 and 2015 Mercedes-Benz ML250, this Standard Ignition DEF heater is built around OE-style connector and terminal specifications for a straightforward service replacement.

Key Features

• Diesel Exhaust Fluid (DEF) heater for emission control system repair
• Two connectors with oval and rectangle connector shapes
• Seven terminals with blade and pin terminal types
• Replacement part number EFH211 for select Mercedes-Benz diesel models
• Cross-reference part numbers include Cardone Reman 5D-9007L and 800-6755

Detailed Description

Standard Ignition EFH211 is engineered for DEF heater service in emission control systems where heated fluid delivery is required for proper operation. The unit uses two connectors, seven terminals, and blade-and-pin terminal construction to match the electrical interface used on the listed Mercedes-Benz applications. This part number is commonly searched as EFH211 Mercedes-Benz DEF heater and Standard Ignition EFH211 for Mercedes-Benz ML350 and ML250 diesel repair.

This part cross-references Cardone Reman 5D-9007L and 800-6755 for the same application.

What It Helps Address

• DEF heater fault codes related to fluid heating performance
• Cold-weather DEF flow issues in the emission system
• Emission control warnings tied to heater circuit problems
• Failed heater electrical connection at the DEF module
• Service replacement for worn or damaged DEF heater components

Installation Notes and Tips

• Verify connector shape and terminal count before installation.
• Inspect the harness and terminals for corrosion or heat damage.
• Confirm the vehicle application by year, make, and model before ordering.
• Use the listed fitment for Mercedes-Benz ML250 and ML350 diesel applications only.

Quality Assurance

Standard Ignition supplies replacement emission control components built to match the listed application details for fitment and electrical connection requirements.

Fits 2015 Mercedes-Benz ML250, N/A. Fits 2010-2015 Mercedes-Benz ML350, N/A.