Found a replacement engine quote quickly, and the supplier clearly explained the delivery and warranty options.
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Choose your vehicle make and compare used or reconditioned engine quotes from UK suppliers.
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Compare used and reconditioned engine guide prices from trusted UK suppliers. Find replacement engine options by model, price and availability.
| Engine Code | CC | Size | Fuel | Number of Cylinders | Aspiration | Fits | Price (From) |
|---|---|---|---|---|---|---|---|
|
Mercedes
Mercedes CLS Class Petrol Engine M278.922
Average rating:
5
4
-300
M278.922
|
4.7 Litre | 4663 cc | Petrol | 3 CYLINDER INLINE | Turbo | 2011-2017 | - |
|
Mercedes
Mercedes CLS Class Petrol Engine M276.820
Average rating:
5
4
-300
M276.820
|
3.0 Litre | 2996 cc | Petrol | V TYPE 12 CYLINDER | Turbo | 2014-2017 | - |
|
Mercedes
Mercedes CLS Class Petrol Engine M276.820
Average rating:
5
4
-300
M276.820
|
3.0 Litre | 2996 cc | Petrol | V TYPE 12 CYLINDER | Turbo | 2014-2017 | - |
|
Mercedes
Mercedes CLS Class Petrol Engine M276.850
Average rating:
5
4
-300
M276.850
|
3.5 Litre | 3498 cc | Petrol | V TYPE 12 CYLINDER | Turbo | 2014-2017 | - |
|
Mercedes
Mercedes CLS Class Petrol Engine M276.850
Average rating:
5
4
-300
M276.850
|
3.5 Litre | 3498 cc | Petrol | V TYPE 12 CYLINDER | Turbo | 2014-2017 | - |
|
Mercedes
Mercedes CLS Class Petrol Engine M276.820
Average rating:
5
4
-300
M276.820
|
3.0 Litre | 2996 cc | Petrol | V TYPE 12 CYLINDER | Turbo | 2015-2017 | - |
Short answer: if the engine in your Mercedes-Benz CLS Class Petrol has failed, you can compare a used replacement engine with a reconditioned engine, choose supply-only or professional fitting, and request recovery if the vehicle is not driveable.
Have the registration number ready first. Depending on the model, the supplier may also ask for VIN, engine code, year, fuel type, capacity, gearbox and exact derivative. This is not unnecessary paperwork: it is how a replacement is checked against the real vehicle. Engine capacity alone is not enough evidence of compatibility. Written confirmation of the unit specification and supplied ancillaries makes the quote easier for both you and the fitting garage to assess.
Petrol engines can vary by output and generation even when capacity looks identical. Engine code, electronics and attached components should be confirmed before dispatch, particularly on turbocharged or higher-output versions.
| Option | Usually suits | Warranty position |
|---|---|---|
| Used engine | Lower upfront budget, quicker return to the road where suitable stock exists | Up to 6 months, subject to unit and terms |
| Reconditioned engine | Owners keeping the vehicle longer or wanting a more extensively renewed unit | Up to 3 years, subject to engine and terms |
Do not compare the two by purchase price alone. Ask what is included, what the warranty requires from the fitter and which additional parts should be renewed before the replacement is commissioned.
You can buy the replacement engine for your own garage, or choose a fitted option through the BuyEngines network. A non-running vehicle can also be recovered to the selected workshop across mainland UK. This matters because broken-engine jobs often become expensive through fragmented arrangements: one company supplies the engine, another transports the car and a third fits it. Comparing the whole route early makes responsibilities clearer and can shorten the time between engine failure and a usable vehicle.
There is no credible single fixed price for every Mercedes-Benz CLS Class Petrol. The figure changes with the exact engine code, condition, mileage or reconditioning level, availability, ancillaries, warranty and whether labour is included. The total fitted price can also change if the workshop finds damaged supporting components or the cause of the original failure must be corrected. BuyEngines is designed to compare alternatives rather than present a misleading universal figure. Where a comparable main-dealer route exists, suitable jobs can deliver savings of up to 40%, but the meaningful comparison is the completed repair with like-for-like inclusions.
Do not rely only on phrases such as good engine or tested. Ask what the description actually means, what is covered if a fault develops and what the fitter must do to keep the warranty valid. Retain the engine identification, invoice, warranty and fitting documents. BuyEngines has 35 years of experience and works through equipped workshops and qualified mechanics across its UK network, but the customer should still receive clear written terms for the individual unit being purchased.
There is no single best engine route for every owner. Use the situation closest to yours as the starting point:
Complex electronics and higher-value ancillaries make a clearly scoped premium-vehicle engine quote more important. For this petrol application, confirm the exact engine revision and discuss cooling, lubrication, timing and turbocharging checks where applicable.
The aim is to give you a route from engine failure to a properly matched replacement without unnecessary calls between unrelated suppliers.
Read feedback from customers who used our quote process to explore used and reconditioned engine options from participating UK suppliers.
Found a replacement engine quote quickly, and the supplier clearly explained the delivery and warranty options.
The comparison made it easier to understand my options instead of contacting different engine breakers separately.
Clear process, quick responses and useful information before I selected a used engine supplier.
Clear answers for UK drivers comparing used, reconditioned, supply-only and fitted replacement engine quotes.
Reconditioned engines can be supplied with warranty cover of up to three years, depending on the engine and the stated conditions. Check the written terms and any fitting or servicing requirements before installation.
Potentially. BuyEngines states savings of up to 40% against comparable main-dealer routes on suitable jobs. The exact saving varies, so compare like-for-like engine condition, warranty, labour, recovery and included parts.
Timescale depends on exact engine availability, delivery or recovery, workshop capacity and whether additional faults or parts are found. Ask for a realistic current estimate after the engine has been matched rather than relying on a generic turnaround claim.
Higher-value and higher-specification vehicles can have complex ancillaries, electronics and variant differences. A suitably equipped workshop helps ensure the replacement is correctly matched, installed and commissioned, and that warranty requirements are documented.
Yes. BuyEngines offers supply-and-fit as well as supply-only. Fitting can be arranged through the mainland UK garage network. Ask the quote to state the labour scope and which fluids, filters or additional parts are included.
Yes. Choose supply-only if your garage has agreed to fit the engine. Before ordering, make sure the mechanic sees the warranty conditions and confirms which supporting parts or checks are required during installation.
Start with the registration. VIN, model year, engine code, fuel type, capacity, transmission or exact derivative may also be needed. The purpose is to confirm compatibility before the engine is reserved or dispatched.