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Standard Ignition EFH206 Diesel Exhaust Fluid (DEF) Heater
| Brand | Standard Ignition EFH206 |
|---|---|
| Connector Quantity | 2 |
| Connector Shape | Rectangular, oval |
| Gasket Included | Yes |
| Hose Included | No |
| Mounting Hardware Included | Yes |
| O Ring Included | Yes |
| Terminal Quantity | 7 |
| Terminal Type | Blade and pin |
| Fits | Mercedes-Benz · 6 vehicles |
DEF heater. Restores proper diesel exhaust fluid heating for emission control systems.
Direct replacement. Matches the original part for straightforward installation.
Hardware included. Comes with mounting hardware, gasket, and O-ring for a complete install.
Cross-references Dorman - OE Solutions 904-377, Standard Ignition EFH206 and 800-6756 for the same application. See all 7.
Diesel Exhaust Fluid Heater for Mercedes-Benz Diesel Models
Standard Ignition EFH206 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 the original heater assembly on 2007-2009 Mercedes-Benz GL320 and 2010-2012 Mercedes-Benz GL350 models.
Key Features
- Diesel Exhaust Fluid (DEF) heater for emission control repair
- Direct-fit application for Mercedes-Benz GL320 and GL350 diesel models
- 2 connectors with rectangular and oval connector shapes
- 7 terminals with blade and pin terminal types
- Gasket included for sealing at installation points
- O-ring included for serviceable sealing support
- Mounting hardware included for replacement installation
Product Details
The Standard Ignition EFH206 is engineered for DEF system service where heater function is needed to maintain proper fluid handling in cold conditions. It uses two connectors, a 7-terminal layout, and blade-and-pin terminal construction to match the original electrical interface on the listed Mercedes-Benz diesel vehicles. This part cross-references Dorman OE Solutions 904-377 for the same application.
Compatible with 2007-2009 Mercedes-Benz GL320 and 2010-2012 Mercedes-Benz GL350, EFH206 supports emission system repair when the original DEF heater has failed or is no longer operating correctly. The included gasket, O-ring, and mounting hardware help support a complete replacement at the service point.
Common Repair Symptoms
- DEF heater fault codes related to fluid temperature or heater circuit performance
- Cold-weather DEF system issues
- Emission warning lights tied to DEF heater failure
- Reduced DEF system operation after heater degradation
- Service needs on Mercedes-Benz GL320 or GL350 diesel emission components
Installation Notes and Tips
Verify connector shape, terminal count, and vehicle application before installation. Inspect the mating surfaces and replace any damaged seals during service. Confirm the DEF system is clean and free of contamination before installing the new heater assembly. Standard Ignition EFH206 should be matched to the exact year and model listed for proper fitment.
Quality Assurance
Standard Ignition is a recognized name in replacement electrical and emission control components, and EFH206 is built to meet the requirements of the listed Mercedes-Benz diesel applications.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2012 | Mercedes-Benz | GL350 | 3.0L | V6 | — |
| 2011 | Mercedes-Benz | GL350 | 3.0L | V6 | — |
| 2010 | Mercedes-Benz | GL350 | 3.0L | V6 | — |
| 2009 | Mercedes-Benz | GL320 | 3.0L | V6 | — |
| 2008 | Mercedes-Benz | GL320 | 3.0L | V6 | — |
| 2007 | Mercedes-Benz | GL320 | 3.0L | V6 | — |
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