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Engine OM651.921 OM651921 MERCEDES-BENZ S-CLASS W222 V222 X222 C-CLASS W205 S205 GLC X253 C205 A205 C253 S 300 BlueTEC Hybrid h C 220 d 250 4matic 200 231hp 204hp 170hp 136hp 163hp

Engine OM651.921 OM651921 MERCEDES-BENZ S-CLASS W222 V222 X222 C-CLASS W205 S205 GLC X253 C205 A205 C253 S 300 BlueTEC Hybrid h C 220 d 250 4matic 200 231hp 204hp 170hp 136hp 163hp

Engine in box for sale and ready for shippment
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Buy OM 651.921 engine

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4.169,00 €

To the price overview
🟡 Occasionally in stock ❓

⚠️ Note on availability:

Due to high demand and rapidly changing stock levels, we are unable to display real-time availability in our webshop. The availability indication therefore represents an estimate of the likelihood that a motor is currently in stock.

For binding information and a concrete offer, we kindly ask you to submit a request. You will receive an offer within a few hours.

incl. VAT, plus shipping costs

4–8 business days delivery time.

In Stock

Request now without obligation

Online orders in our online shop is currently not available: please fill out the “Availability Request Form” first. You will then receive a tailored offer in PDF format, after which you can place your order directly via email or phone.

Non-committal offer: This engine (OM 651.921) is also available through other sales channels (both online and offline). Consequently, the possibility of a short-term intermediate sale cannot be ruled out. It is essential to check the engine’s availability and compatibility with your vehicle before proceeding.

WE ARE HERE TO HELP YOU!

Available OM 651.921 engines

Discover our diverse range of engines – perfectly tailored to your individual needs. Whether you're looking for affordable replacement engines, complete engines, or professional engine overhauls: with us, you're guaranteed to find the right solution for your vehicle.


The listed prices vary depending on the mileage and current stock levels/capacities. You will receive a binding price with a customized offer upon request.

Our used OM 651.921 engine without attachments includes the following scope of delivery:

  • Tested short block (engine block with oil pump, crankshaft, bearings, connecting rods, pistons)

  • Cylinder head including camshaft and valves

  • Oil pan & valve cover (used as transport protection, may need to be reused from the old part)

  • Testing procedures: Leak-down test, cylinder inspection with endoscope camera, inspection of oil pan and valve cover, visual check of crankshaft & camshafts, examination of residues in oil pump and oil pan

The timing chain/belt must be replaced before installation.
Request the availability of the engine now—free and without obligation:

Our complete used OM 651.921 engine with attachments includes the following scope of delivery:

  • Tested engine (engine block + cylinder head)

  • Untested attachments such as starter, injectors, injection system, turbocharger, ignition coils, intake manifold, and much more

  • Oil pan & valve cover used as transport protection (may need to be reused from the old part)

  • Testing procedures: Leak-down test, cylinder inspection with endoscope camera, inspection of oil pan and valve cover, examination of residues in oil pump and oil pan

Attachments are included free of charge, but without any warranty.
The timing chain/belt must always be replaced before installation.
Request the availability of the engine now—free and without obligation:

Our overhauled OM 651.921 engine without attachments has been fully reconditioned to 0 km and includes:

  • Fully overhauled engine block with cylinder head

  • New parts: valves, valve stem seals, piston rings, main/connecting rod bearings, oil pump, internal timing chain/belt

  • Processing & testing procedures: camshaft and crankshaft are measured, polished, crack-tested, and ultrasonically cleaned; cylinder head is measured, resurfaced, and ultrasonically cleaned; block is honed, ground, and measured; pistons are inspected, cleaned, and undergo UV crack testing

A durable engine in like-new condition – ideal for the highest demands.
Request the availability of the engine now—free and without obligation.

With our customer engine overhaul service, we recondition your defective OM 651.921 engine:

  • Collection of your engine (without attachments)

  • Professional overhaul to 0 km with high-quality new parts (e.g., Kolbenschmidt, FEBI, FAI)

  • New parts: valves, piston rings, oil pump, bearings, internal timing chain/belt

  • Processing & testing procedures: camshaft and crankshaft are measured, polished, crack-tested, and ultrasonically cleaned; cylinder head is measured, resurfaced, and ultrasonically cleaned; block is honed, ground, and measured; pistons are inspected, cleaned, and undergo UV crack testing

After approximately 10–12 business days, you will receive your reconditioned engine back.
Request the availability of the overhaul service now—free and without obligation.

Check compatibility and availability of engine OM 651.921

Kindly complete the “request for quote” form. We will confirm whether the engine OM 651.921 matches your vehicle and provide you with detailed proposals for all the available options, whether you’re looking for a used engine, a reconditioned one, or prefer it bare or complete. Following this, you may proceed to place your order directly.
Request for Quote

" I'll assess the availability and verify the compatibility of the engine OM 651.921 using your vehicle's VIN before sending a detailed quote to your email.

Each engine is subject to another rigorous quality check prior to dispatch to ensure only those in prime condition are shipped from our warehouse.

Our exclusive partnership with the DB-Schenker delivery service enables us to offer engines at unbeatable prices and ensure the quickest possible delivery times. "

Stefan
StefanCustomer Consultant

" I'll assess the availability and verify the compatibility of the engine OM 651.921 using your vehicle's VIN before sending a detailed quote to your email.

Each engine is subject to another rigorous quality check prior to dispatch to ensure only those in prime condition are shipped from our warehouse.

Our exclusive partnership with the DB-Schenker delivery service enables us to offer engines at unbeatable prices and ensure the quickest possible delivery times. "

Stefan
Stefancustomer consultant

Engine description:

  • Engine code: OM 651.921, OM651.921, OM651921
  • Engine condition: Rebuilt, Remanufactured or Used engine
  • Contents of delivery Bare engine (without attached parts) or a complete engine (depending on your choice)
  • Mileage: 0km (overhauled) or up to max 130,000km (details in the PDF offer)

Your benefits:

  • Security: 12 months warranty
  • Reliability: Engine specialist and wholesaler since 1993
  • Superior Quality: All engines are rigorously tested

Compatible vehicles with engine OM 651.921:

  • Makes: MERCEDES-BENZ
  • Models: C-CLASS A205, C-CLASS C205, C-CLASS S205, C-CLASS W205, GLC C253, GLC X253, S-CLASS W222 V222 X222
  • Motorization: 220 d 4matic 163hp 120kW, 220 d 4matic 170hp 125kW, 250 d 4matic 204hp 150kW, C 200 d 136hp 100kW, C 220 BlueTEC d 163hp 120kW, C 220 BlueTEC d 170hp 125kW, C 220 d 163hp 120kW, C 220 d 170hp 125kW, C 220 d 4matic 170hp 125kW, C 250 BlueTEC d 204hp 150kW, C 250 BlueTEC d 4matic 204hp 150kW, C 250 d 204hp 150kW, C 250 d 4matic 204hp 150kW, C 300 BlueTEC Hybrid h 204hp 150kW, S 300 BlueTEC Hybrid h 204hp 150kW, S 300 BlueTEC Hybrid h 231hp 170kW
Detailed list of compatible vehicles

OM 651.921 Engine Technical Specifications & Compatibility.

Additional information

Engine Code

OM 651.921, OM651.921, OM651921
Make

MERCEDES-BENZ
Model

C CLASS A205, C CLASS C205, C CLASS S205, C CLASS W205, GLC C253, GLC X253, S CLASS W222 V222 X222
Motorization

220 d 4matic, 250 d 4matic, C 200 d, C 220 BlueTEC d, C 220 d, C 220 d 4matic, C 250 BlueTEC d, C 250 BlueTEC d 4matic, C 250 d, C 250 d 4matic, C 300 BlueTEC Hybrid h, S 300 BlueTEC Hybrid h
Power (hp)

136hp, 231hp, 163hp, 170hp, 204hp
Power (kW)

100kW, 170kW, 120kW, 125kW, 150kW
Fuel

Diesel
Number of Cylinders

4
Engine Capacity (ccm)

2143
Bore (mm)

83
Stroke (mm)

99
Number of Bearings

5
Number of Valves

16
Engine Charging

Exhaust Turbocharger
Combustion

Diesel
Fuel Mixture

Direct Injection
Engine Type

Straight
Cylinder Type

DOHC
Engine Management

Chain
Price Used Engine (€)

4169

About Us

  • Our firm, with its headquarters in Mittenwalde, Germany, has been a prominent distributor of used and reconditioned engines since 1993
  • As of June 2022, we've sold over 36,000 engines and transmissions, making us one of the world’s leading engine suppliers.
  • A significant portion of our sales are to intermediaries and automotive workshops, a testament to our competitive prices and dependable service.

Robust and durable OM 651.921 engine for MERCEDES-BENZ

  • Our used engines come from second-hand/accident-damaged vehicles (insurance). These are not repaired or makeshift engines.
  • That's why our engines are notably long-lasting and sturdy.

Thoroughly tested MERCEDES-BENZ OM 651.921 engine

  • The OM 651.921, OM651.921, OM651921 engine undergoes a thorough inspection before sale:
  • Compression test (leakdown)
  • Endoscopic inspection, oil pan, cylinders,
  • Valve cover, crankshaft, camshaft, oil pump, etc., are all checked.
  • Detailed control procedures are available in the PDF offer.

Our service for the OM 651.921 engine

  • Depending on availability, we offer various OM 651.921, OM651.921, OM651921 engines for your MERCEDES-BENZ:
  • A tested used bare engine without ancillary parts
  • A reconditioned engine reset to 0km
  • A complete engine with ancillary parts
  • Customer's engine reconditioning
  • Engine installation/mounting (This is no longer offered due to capacity reasons)

Awards and Reviews for Fair-Motors

Award for being the most popular engine dealer in Germany
"FAIR-MOTORS is the MOST POPULAR engine dealer on the biggest comparison platform for engines and engine repair (MotorschadenVergleich.de)."
Rated 4.68 out of 5
Excellent
4,68 out of 5,00 Stars
total 327 Reviews
89,76% positive
(Sep. 2022) 

Information about the MERCEDES-BENZ replacement engine OM 651.921:

The OM 651.921, OM651.921, OM651921 engine is used by the manufacturer MERCEDES-BENZ in the following models: C-CLASS A205, C-CLASS C205, C-CLASS S205, C-CLASS W205, GLC C253, GLC X253, S-CLASS W222 V222 X222.

Engine type and performance:

Depending on the engine control unit, the Diesel engine OM 651.921 has an output of 136hp, 231hp, 163hp, 170hp, 204hp, which is equivalent to 100kW, 170kW, 120kW, 125kW, 150kW.

The 4-cylinder Exhaust Turbocharger engine is Water-cooled and produces a torque of Nm with a displacement of 2143ccm.

The 220 d 4matic, 250 d 4matic, C 200 d, C 220 BlueTEC d, C 220 d, C 220 d 4matic, C 250 BlueTEC d, C 250 BlueTEC d 4matic, C 250 d, C 250 d 4matic, C 300 BlueTEC Hybrid h, S 300 BlueTEC Hybrid h OM 651.921 engine features 16 valves, 5 bearings, and achieves a compression ratio of with a stroke of 99 mm and a bore of 83 mm.

It is a DOHC Diesel Straight engine with Direct Injection, powered by a Chain.

Detailed list of compatible vehicles for the engine OM 651.921:

Make Model Motorization
MERCEDES-BENZC-CLASS (W205) [from 2013/07]C 200 d (205.007) [136 hp, 100 kW, 2143 cc, from 2015/10 to 2018/05]
MERCEDES-BENZC-CLASS (W205) [from 2013/07]C 220 BlueTEC / d (205.002, 205.004) [170 hp, 125 kW, 2143 cc, from 2014/02 to 2018/05]
MERCEDES-BENZC-CLASS (W205) [from 2013/07]C 220 BlueTEC / d (205.003) [163 hp, 120 kW, 2143 cc, from 2014/03 to 2016/05]
MERCEDES-BENZC-CLASS (W205) [from 2013/07]C 220 d 4-matic (205.005) [170 hp, 125 kW, 2143 cc, from 2015/04 to 2018/05]
MERCEDES-BENZC-CLASS (W205) [from 2013/07]C 250 BlueTEC / d (205.008, 205.006) [204 hp, 150 kW, 2143 cc, from 2014/02 to 2018/05]
MERCEDES-BENZC-CLASS (W205) [from 2013/07]C 250 BlueTEC / d 4-matic (205.009) [204 hp, 150 kW, 2143 cc, from 2014/02 to 2018/05]
MERCEDES-BENZC-CLASS (W205) [from 2013/07]C 300 BlueTEC Hybrid / h (205.012) [204 hp, 150 kW, 2143 cc, from 2014/05 to 2018/05]
MERCEDES-BENZC-CLASS Convertible (A205) [from 2016/06]C 220 d (205.404) [163 hp, 120 kW, 2143 cc, from 2016/06 to 2018/05]
MERCEDES-BENZC-CLASS Convertible (A205) [from 2016/06]C 220 d (205.404) [170 hp, 125 kW, 2143 cc, from 2016/06 to 2018/05]
MERCEDES-BENZC-CLASS Convertible (A205) [from 2016/06]C 220 d 4-matic (205.405) [170 hp, 125 kW, 2143 cc, from 2016/06 to 2018/05]
MERCEDES-BENZC-CLASS Convertible (A205) [from 2016/06]C 250 d (205.408) [204 hp, 150 kW, 2143 cc, from 2016/06 to 2018/05]
MERCEDES-BENZC-CLASS Coupe (C205) [from 2015/10]C 220 d (205.304) [163 hp, 120 kW, 2143 cc, from 2015/10 to 2018/05]
MERCEDES-BENZC-CLASS Coupe (C205) [from 2015/10]C 220 d (205.304) [170 hp, 125 kW, 2143 cc, from 2015/10 to 2018/05]
MERCEDES-BENZC-CLASS Coupe (C205) [from 2015/10]C 220 d 4-matic (205.305) [170 hp, 125 kW, 2143 cc, from 2016/04 to 2018/05]
MERCEDES-BENZC-CLASS Coupe (C205) [from 2015/10]C 250 d (205.308) [204 hp, 150 kW, 2143 cc, from 2015/10 to 2018/05]
MERCEDES-BENZC-CLASS Coupe (C205) [from 2015/10]C 250 d 4-matic (205.309) [204 hp, 150 kW, 2143 cc, from 2016/04 to 2018/05]
MERCEDES-BENZC-CLASS T-Model (S205) [from 2014/09]C 200 d (205.207) [136 hp, 100 kW, 2143 cc, from 2015/10 to 2018/05]
MERCEDES-BENZC-CLASS T-Model (S205) [from 2014/09]C 220 BlueTEC / d (205.204) [163 hp, 120 kW, 2143 cc, from 2014/09 to 2018/05]
MERCEDES-BENZC-CLASS T-Model (S205) [from 2014/09]C 220 BlueTEC / d (205.204) [170 hp, 125 kW, 2143 cc, from 2014/09 to 2018/05]
MERCEDES-BENZC-CLASS T-Model (S205) [from 2014/09]C 220 d 4-matic (205.205) [170 hp, 125 kW, 2143 cc, from 2015/04 to 2018/05]
MERCEDES-BENZC-CLASS T-Model (S205) [from 2014/09]C 250 BlueTEC / d (205.208) [204 hp, 150 kW, 2143 cc, from 2014/09 to 2018/05]
MERCEDES-BENZC-CLASS T-Model (S205) [from 2014/09]C 250 BlueTEC / d 4-matic (205.209) [204 hp, 150 kW, 2143 cc, from 2014/10 to 2018/05]
MERCEDES-BENZC-CLASS T-Model (S205) [from 2014/09]C 300 BlueTEC Hybrid / h (205.212) [204 hp, 150 kW, 2143 cc, from 2014/10 to 2018/05]
MERCEDES-BENZGLC (X253) [from 2015/06]220 d 4-matic (253.905, 253.903) [163 hp, 120 kW, 2143 cc, from 2015/06 to 2019/04]
MERCEDES-BENZGLC (X253) [from 2015/06]220 d 4-matic (253.905, 253.903) [170 hp, 125 kW, 2143 cc, from 2015/06 to 2019/04]
MERCEDES-BENZGLC (X253) [from 2015/06]250 d 4-matic (253.909) [204 hp, 150 kW, 2143 cc, from 2015/06 to 2019/04]
MERCEDES-BENZGLC Coupe (C253) [from 2016/06]220 d 4-matic (253.303, 253.305) [163 hp, 120 kW, 2143 cc, from 2016/06 to 2019/04]
MERCEDES-BENZGLC Coupe (C253) [from 2016/06]220 d 4-matic (253.303, 253.305) [170 hp, 125 kW, 2143 cc, from 2016/06 to 2019/04]
MERCEDES-BENZGLC Coupe (C253) [from 2016/06]250 d 4-matic (253.309) [204 hp, 150 kW, 2143 cc, from 2016/06 to 2019/04]
MERCEDES-BENZS-CLASS (W222, V222, X222) [from 2013/05]S 300 BlueTEC Hybrid / h (222.004, 222.104) [204 hp, 150 kW, 2143 cc, from 2014/02 to 2017/05]
MERCEDES-BENZS-CLASS (W222, V222, X222) [from 2013/05]S 300 BlueTEC Hybrid / h (222.104) [231 hp, 170 kW, 2143 cc, from 2014/02 to 2017/05]

FAQ:

The quickest way is to fill out the “request for quote” form. Please provide the engine code OM 651.921 and your VIN number so we can accurately identify the engine that is compatible with your vehicle. You will swiftly receive a detailed offer in PDF format via email. If everything matches, you can then proceed with the order.

It depends on the inventory. We sell OM 651.921 engines either complete or bare. The complete engines come with spare parts included.

The engine is compatible with the following make and models:
MERCEDES-BENZ | C-CLASS A205, C-CLASS C205, C-CLASS S205, C-CLASS W205, GLC C253, GLC X253, S-CLASS W222 V222 X222

To be certain, you should provide us with your VIN number so we can verify the engine’s compatibility.

The contents of the delivery vary depending on the engine. For the complete engine, we deliver the engine block with the cylinder head, valve cover, oil pan, and the injection system, turbocharger, alternator, manifold, wiring harness, etc. For the bare engine without ancillary parts, we deliver the engine block with the cylinder head, valve cap, and oil pan.

  • The contents of the delivery may vary. Please check the exact contents of the delivery in the PDF offer.

The mileage depends on the condition of the engine. The overhauled engine has been reset to 0km. The mileage of the used engine can vary. Make a brief inquiry on our website, and you will receive a detailed offer with precise mileage information.

The following parts are replaced with NEW ones:

  • Valves
  • Valve stem seals
  • Piston rings
  • Connecting rod bearings and main bearings
  • Oil pump
  • Timing chain with tensioner

Additional revision steps:

  • The camshaft and crankshaft are measured, polished, checked for cracks, and ultrasonically cleaned.
  • The cylinder head is measured, leveled, and ultrasonically cleaned.
  • The block is planed, sanded, and measured.
  • Pistons are inspected, cleaned, and subjected to UV crack testing.
  • Leakdown tests

✅ We can, of course, also overhaul your faulty engine.

FULL SERVICE:

We handle everything in-house, from engine overhauling to marketing and web design. This cuts down on many costs.

EFFICIENT USE OF OUR MACHINES:

Our processes are finely tuned, ensuring no downtime. Our machines and staff are fully utilized.

OPTIMIZED TASK DISTRIBUTION:

Each person works solely within their area of expertise. For instance, we have different specialists for various makes/types of engines. This saves a significant amount of time and enhances quality.

Yes, sometimes. The deposit varies depending on the engine.

The price of the engine varies depending on the engine’s condition:

Used engine: 4169 €

Complete engine: €

Overhauled engine: €

Engine Overhaul: €

Please note: Prices and availability are provided for guidance only!

Make an inquiry on the website to receive a detailed and final offer.

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