Mercedes-Benz OM651.940 2.2 CDI Engine
Certified Used Diesel Engine with Warranty for Reliable Vito/Viano Replacement.
This is a used, professionally inspected and tested Mercedes-Benz OM651.940 2.2L inline-4 turbo diesel engine. Offered with a comprehensive 1-Year Warranty, this complete long block provides a low-risk, high-value solution for engine replacement in W639 Vito/Viano models. It combines the assurance of verified mechanical condition with the financial protection of a meaningful warranty, ideal for workshops and owners seeking dependable performance.
Product Overview & Core Specifications
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Engine Code: OM651 DE 22 LA (651.940)
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Displacement: 2.2L I4 Turbo Diesel
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Key Feature: Includes 1-Year Warranty
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Condition: Used, Inspected, Tested – Complete Long Block
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Compatibility: Mercedes-Benz Vito/Viano (W639 Platform)
Primary Vehicle Compatibility
This OM651.940 variant is a core engine for a wide range of W639 vans. Warranty validation requires providing your VIN for compatibility confirmation prior to purchase.
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Target Applications (Model years circa 2009-2014):
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Mercedes-Benz Vito (W639) 111 CDI, 115 CDI, 116 CDI
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Mercedes-Benz Viano (W639) 2.2 CDI
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Certain Mercedes-Benz Sprinter (906) 214 CDI, 314 CDI models – VIN verification critical.
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What’s Included & Warranty Coverage
This listing is for a complete, inspected long block. It includes the engine block, cylinder head, crankshaft, pistons, valve train, oil pan, valve cover, and timing case. The 1-Year Warranty covers major internal mechanical failures (e.g., crankshaft, connecting rods, cylinder head, valve train) under the condition of proper professional installation and use. Full warranty terms provided upon purchase.
Critical Installation & Warranty Requirements
Professional Installation is Mandatory for Warranty.
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Ancillaries NOT Included: This is the core engine. For warranty validity, you must transfer all ancillary components from your original engine, including:
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Turbocharger & Exhaust Manifold
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Fuel Injectors, High-Pressure Pump, and Common Rail
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Engine Control Module (ECU) & Complete Wiring Harness
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All Sensors, Alternator, A/C Compressor, Starter Motor
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Warranty Stipulations:
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Installation must be performed by a certified workshop.
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Proof of professional installation and use of correct fluids/filters is required for any warranty claim.
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The warranty is void if the engine is installed in a non-compatible vehicle (VIN must be provided pre-sale).
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Electronic Integration: The vehicle’s original ECU must be used and will require adaptation via Mercedes-Benz XENTRY/SD Connect.

















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