New Scr Urea Preheater Compatible With 2012-2013 Mercedes-Benz S350 Bluetec 4Matic 6 Cyl 3.0L Om642

MERCEDES-BENZ S-CLASS APPLICATIONS:
• Mercedes-Benz Mercedes-Benz S350 BlueTEC 4MATIC 6 Cyl 3.0L V6 OM642 Diesel (2012-2013)

DETAILED ENGINE SPECIFICATIONS:
• Engine Code: OM642 (Mercedes-Benz V6 Diesel)
• Displacement: 3.0L / 2987cc V6 Turbo Diesel
• Configuration: 6 Cylinder V6
• Fuel System: Common Rail Direct Injection
• Emissions: BlueTEC with AdBlue (SCR System)
• Power Output: 258 HP / 620 Nm Torque
• Fuel Economy: 6.8L/100km

VEHICLE PLATFORM DETAILS:
• Chassis: Mercedes-Benz W221 S-Class (5th Generation)
• Drivetrain: 4MATIC All-Wheel Drive
• Trim: S350 BlueTEC (Diesel BlueTEC Variant)
• Production Years: 2012-2013
• Body Style: Executive Luxury Sedan

BLUETEC / ADBLUE / SCR SYSTEM CONTEXT:
• BlueTEC: Mercedes-Benz Clean Diesel Emissions Technology
• AdBlue: Registered trademark for AUS32 (Aqueous Urea Solution 32.5%)
• ISO Standard: ISO 22241 (DEF Specification)
• SCR: Selective Catalytic Reduction System
• DEF: Diesel Exhaust Fluid (urea-water solution)
• Function: Removes harmful Nitrogen Oxide (NOx) from exhaust
• Converts up to 80% of NOx into harmless nitrogen and water
• AdBlue Tank: 25.7 Liter Capacity Under Luggage Compartment
• Service Interval: Refill at 25,000 km / 15,534 mi

DEF HEATER FUNCTIONAL DESCRIPTION:
• Function: Heats AdBlue/DEF Fluid to Prevent Freezing/Gelling
• Official Mercedes Name: Diesel Exhaust Fluid (DEF) Heater
• Alt Names: AdBlue Tank Heater / Urea Fluid Heater / Urea Preheater
• Alt Names: SCR Heater / AdBlue Preheater / DEF Preheater
• Location: Inside AdBlue/Urea Tank Under Luggage Compartment
• Operation: Electric Heating Element with Temperature Sensor
• Critical for Cold Weather Operation (below freezing)
• Maintains DEF Fluid Flow in Cold Temperatures
• Required for Proper SCR Emissions System Operation
• Bosch Manufactured OEM Heater Component
• Direct OE Replacement Design

COMMON FAULT CODE CONTEXT:
• P20BD: AdBlue Heating Element Open Circuit Fault
• P20BE: AdBlue Heating Element Malfunction
• 20BD1B / 20BE1B: Internal Fault AdBlue Tank Heating
• Symptom: Check Engine Light / MIL Lamp On
• Required to Maintain EPA Emissions Compliance

HEATER SPECIFICATIONS:
• Product Type: Diesel Emissions Fluid Heater
• Unit Type: Mercedes-Benz OEM Design
• Product Fit: Direct Fit
• Application: 2012-2013 Mercedes-Benz S350 BlueTEC 4MATIC
• Quantity: 1 Unit
• Condition: New
• Location: AdBlue/Urea Tank Mounted
• Fitment: Direct OE Replacement