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You will receive a non-binding offer by 10 a.m on the next working day

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Engine M276.821 M276821 MERCEDES-BENZ M-CLASS W166 GL-CLASS X166 GLE C292 GLS ML 400 4matic GL AMG 43 450 500 e 320 333hp 367hp 390hp 442hp 272hp

Engine M276.821 M276821 MERCEDES-BENZ M-CLASS W166 GL-CLASS X166 GLE C292 GLS ML 400 4matic GL AMG 43 450 500 e 320 333hp 367hp 390hp 442hp 272hp

Engine in box for sale and ready for shippment
engine in stock
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Buy M 276.821 engine

from

3.719,00 €

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 (M 276.821) 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 M 276.821 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 M 276.821 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 M 276.821 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 M 276.821 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 M 276.821 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 M 276.821

Kindly complete the “request for quote” form. We will confirm whether the engine M 276.821 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 M 276.821 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 M 276.821 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: M 276.821, M276.821, M276821
  • 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 M 276.821:

  • Makes: MERCEDES-BENZ
  • Models: GL-CLASS X166, GLE C292, GLE W166, GLS X166, M-CLASS W166
  • Motorization: 320 4matic 272hp 200kW, 400 4matic 333hp 245kW, 450 AMG 4matic 367hp 270kW, 500 e 4matic 333hp 245kW, 500 e 4matic 442hp 325kW, AMG 43 4matic 367hp 270kW, AMG 43 4matic 390hp 287kW, GL 400 4matic 333hp 245kW, ML 400 4matic 333hp 245kW
Detailed list of compatible vehicles

M 276.821 Engine Technical Specifications & Compatibility.

Additional information

Engine Code

M 276.821, M276.821, M276821
Make

MERCEDES-BENZ
Model

GL CLASS X166, GLE C292, GLE W166, GLS X166, M CLASS W166
Motorization

320 4matic, 400 4matic, 450 AMG 4matic, 500 e 4matic, AMG 43 4matic, GL 400 4matic, ML 400 4matic
Power (hp)

272hp, 333hp, 367hp, 390hp, 442hp
Power (kW)

200kW, 245kW, 270kW, 287kW, 325kW
Fuel

Petrol
Number of Cylinders

6
Engine Capacity (ccm)

2996
Compression

10.7
Bore (mm)

88
Stroke (mm)

82.1
Number of Bearings

4
Number of Valves

24
Engine Charging

Bi-Turbo/Intercooler
Combustion

Petrol Engine
Fuel Mixture

Direct Injection
Engine Type

V
Cylinder Type

DOHC
Engine Management

Chain
Price Used Engine (€)

3719
Price Complete Engine (€)

4279
Price Engine Overhaul (€)

4279

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 M 276.821 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 M 276.821 engine

  • The M 276.821, M276.821, M276821 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 M 276.821 engine

  • Depending on availability, we offer various M 276.821, M276.821, M276821 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 M 276.821:

The M 276.821, M276.821, M276821 engine is used by the manufacturer MERCEDES-BENZ in the following models: GL-CLASS X166, GLE C292, GLE W166, GLS X166, M-CLASS W166.

Engine type and performance:

Depending on the engine control unit, the Petrol engine M 276.821 has an output of 272hp, 333hp, 367hp, 390hp, 442hp, which is equivalent to 200kW, 245kW, 270kW, 287kW, 325kW.

The 6-cylinder Bi-Turbo/Intercooler engine is Water-cooled and produces a torque of Nm with a displacement of 2996ccm.

The 320 4matic, 400 4matic, 450 AMG 4matic, 500 e 4matic, AMG 43 4matic, GL 400 4matic, ML 400 4matic M 276.821 engine features 24 valves, 4 bearings, and achieves a compression ratio of 10.7 with a stroke of 82.1 mm and a bore of 88 mm.

It is a DOHC Petrol Engine V engine with Direct Injection, powered by a Chain.

Detailed list of compatible vehicles for the engine M 276.821:

Make Model Motorization
MERCEDES-BENZGL-CLASS (X166) [from 2012/07 to 2015/12]GL 400 4-matic (166.856) [333 hp, 245 kW, 2996 cc, from 2013/08 to 2015/10]
MERCEDES-BENZGL-CLASS (X166) [from 2012/07 to 2015/12]GL 450 4-matic [367 hp, 270 kW, 2996 cc, from 2014/09 to 2015/10]
MERCEDES-BENZGLE (W166) [from 2015/04 to 2018/10]320 4-matic (166.062) [272 hp, 200 kW, 2996 cc, from 2015/10 to 2018/10]
MERCEDES-BENZGLE (W166) [from 2015/04 to 2018/10]400 4-matic (166.056) [333 hp, 245 kW, 2996 cc, from 2015/04 to 2018/10]
MERCEDES-BENZGLE (W166) [from 2015/04 to 2018/10]450 AMG 4-matic (166.064) [367 hp, 270 kW, 2996 cc, from 2015/10 to 2018/10]
MERCEDES-BENZGLE (W166) [from 2015/04 to 2018/10]500 e 4-matic (166.063) [333 hp, 245 kW, 2996 cc, from 2015/04 to 2018/10]
MERCEDES-BENZGLE (W166) [from 2015/04 to 2018/10]500 e 4-matic (166.063) [442 hp, 325 kW, 2996 cc, from 2015/04 to 2018/10]
MERCEDES-BENZGLE (W166) [from 2015/04 to 2018/10]AMG 43 4-matic (166.064) [367 hp, 270 kW, 2996 cc, from 2016/05 to 2018/10]
MERCEDES-BENZGLE (W166) [from 2015/04 to 2018/10]AMG 43 4-matic (166.064) [390 hp, 287 kW, 2996 cc, from 2017/06 to 2018/10]
MERCEDES-BENZGLE Coupe (C292) [from 2015/03 to 2019/10]320 4-matic (292.362) [272 hp, 200 kW, 2996 cc, from 2015/09 to 2019/10]
MERCEDES-BENZGLE Coupe (C292) [from 2015/03 to 2019/10]400 4-matic (292.356) [333 hp, 245 kW, 2996 cc, from 2015/03 to 2019/10]
MERCEDES-BENZGLE Coupe (C292) [from 2015/03 to 2019/10]450 AMG 4-matic (292.364) [367 hp, 270 kW, 2996 cc, from 2015/03 to 2019/10]
MERCEDES-BENZGLE Coupe (C292) [from 2015/03 to 2019/10]AMG 43 4-matic (292.364) [367 hp, 270 kW, 2996 cc, from 2016/05 to 2019/10]
MERCEDES-BENZGLE Coupe (C292) [from 2015/03 to 2019/10]AMG 43 4-matic (292.364) [390 hp, 287 kW, 2996 cc, from 2017/06 to 2019/10]
MERCEDES-BENZGLS (X166) [from 2015/11 to 2019/04]320 4-matic (166.862) [272 hp, 200 kW, 2996 cc, from 2017/10 to 2019/04]
MERCEDES-BENZGLS (X166) [from 2015/11 to 2019/04]400 4-matic (166.856) [333 hp, 245 kW, 2996 cc, from 2015/11 to 2019/04]
MERCEDES-BENZGLS (X166) [from 2015/11 to 2019/04]450 4-matic (166.864) [367 hp, 270 kW, 2996 cc, from 2016/06 to 2019/04]
MERCEDES-BENZM-CLASS (W166) [from 2011/06 to 2015/12]ML 320 4-matic (166.062) [272 hp, 200 kW, 2996 cc, from 2013/11 to 2015/02]
MERCEDES-BENZM-CLASS (W166) [from 2011/06 to 2015/12]ML 400 4-matic (166.056) [333 hp, 245 kW, 2996 cc, from 2013/08 to 2015/02]

FAQ:

The quickest way is to fill out the “request for quote” form. Please provide the engine code M 276.821 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 M 276.821 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 | GL-CLASS X166, GLE C292, GLE W166, GLS X166, M-CLASS W166

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: 3719 €

Complete engine: 4279 €

Overhauled engine: €

Engine Overhaul: 4279 €

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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