Description
Part Description
This Grade A engine assembly was removed from a 2017 Mercedes-Benz C300 AWD sedan (205 type) with 67,000 miles. The complete 2.0L turbocharged M274 engine has been thoroughly inspected by our certified technicians and is currently on our shelf ready for immediate shipment. This low-mileage unit shows excellent internal condition and comes with our 6-month warranty for your peace of mind.
The M274 2.0L turbocharged engine is the heart of the C300 AWD system, delivering smooth power and refined performance. Engine replacements are typically needed due to timing chain issues, turbocharger failure, or internal component wear at higher mileages. This particular unit at 67,000 miles is well below the typical failure threshold and represents an excellent replacement option for vehicles experiencing engine problems or collision damage.
Don’t let engine problems keep your Mercedes-Benz off the road. With over 50,000 quality used parts in stock from more than 1,100 vehicles, we have the Mercedes-Benz components you need at prices that make sense. Our experienced team can help verify fitment and arrange professional shipping anywhere in the country. 50,000+ parts in stock from over 1,100 vehicles. Contact us or call (603) 392-7313 for anything you need.
Part Specifications
| Part | Engine Assembly – Complete 2.0L Turbocharged M274 |
| Interchange # | 85164 |
| OEM Part Number | Contact for OEM# |
| Side | N/A |
| Part Grade | A — Grade A – 67,000 miles, excellent working condition, inspected and ready to ship |
| Warranty | 6-Month Warranty (Low mileage unit (67,000 miles) qualifies for extended warranty coverage) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2017 MERCEDES-BENZ CCLASS |
| VIN | N/A |
| Vehicle Stock # | 1021246395 |
Our Testing & Inspection Process
Every part at 603 Auto Salvage is inspected before listing. Here is what was verified on this Engine Assembly – Complete 2.0L Turbocharged M274:
| ✅ Compression Test | All cylinders within specification |
| ✅ Oil Condition | Clean oil, no metal contamination |
| ✅ Timing Chain | Proper tension, no stretch detected |
| ✅ Turbocharger Operation | Smooth operation, no shaft play |
| ✅ External Components | All accessories and wiring intact |
| ✅ Coolant System | No leaks, clean coolant passages |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #85164, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2017 | Mercedes-Benz | C300 | AWD models only, VIN 4K 6th-7th digits, 205 type sedan |
Questions? Need a shipping quote? Call us now:
603 Auto Salvage | 233 Main St, Plaistow, NH 03865
Mon–Fri 8am–4:30pm | Sat 8am–2pm | Sun Closed
Warranty & Shipping
Frequently Asked Questions
Will this M274 engine fit my 2017 C300 AWD?
This engine fits 2017 C300 AWD sedans with VIN code 4K in the 6th and 7th positions. We recommend verifying your VIN before ordering to ensure proper fitment.
What accessories are included with this engine?
This is a complete engine assembly including all internal components. External accessories like alternator, AC compressor, and intake manifold availability varies – contact us for specific inclusion details.
How many miles does this engine have?
This engine has 67,000 miles and comes from a 2017 C300 AWD sedan. The low mileage and Grade A condition make it an excellent replacement option.
What is the M274 engine known for?
The M274 is Mercedes-Benz’s 2.0L turbocharged 4-cylinder engine known for good fuel economy and smooth power delivery. Common issues include timing chain stretch at higher mileages, which this low-mile unit avoids.
Do you offer installation services?
We focus on providing quality parts but can recommend qualified Mercedes-Benz specialists in your area. Professional installation is recommended for engine replacement projects.
How is this engine shipped?
Complete engines ship via LTL freight on a pallet with proper protection. We arrange delivery to your location or preferred shop with tracking information provided.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Engine Code | M274 |
| Vehicle Type | 205 Type Sedan |
| VIN Position 6-7 | 4K |
| Displacement | 2.0L Turbocharged |
Price Comparison — Why Used OEM Makes Sense
| Source | Price Range | Warranty | Notes |
|---|---|---|---|
| Dealer (New OEM) | $8,000 – $12,000 | 1 year | Brand new, longest wait time |
| Aftermarket | $4,500 – $6,500 | Varies | Non-OEM fitment, quality varies |
| Other Salvage Yards | $3,200 – $4,200 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $2750.00 | 6-Month Warranty | Tested, Grade A, ships in 24hrs |
Installation Notes
- Verify VIN compatibility before installation – 6th and 7th digits must be 4K for proper ECU matching
- Replace engine oil and filter before first startup with Mercedes-Benz approved 0W-20 synthetic oil
- Check and replace timing chain tensioner if original shows wear – preventive maintenance on M274 engines
- Ensure all electrical connections are properly seated and torqued to Mercedes-Benz specifications
- Perform initial break-in period with gentle driving for first 500 miles to ensure proper seating
🔍 Free Fitment Check
Call us with your VIN and we will verify compatibility for free. No obligation, no pressure — just answers.
Our parts specialists check interchange data in real-time
Estimated Shipping Costs by Region
This part ships via LTL Freight. Prices are estimates — call for an exact quote to your zip code.
| Region | Estimated Cost | Transit Time |
|---|---|---|
| New England (NH, MA, ME, VT, CT, RI) | $150 – $250 | 1–3 business days |
| Northeast (NY, NJ, PA, MD, VA) | $200 – $350 | 2–4 business days |
| Southeast (FL, GA, NC, SC, TN) | $300 – $450 | 3–5 business days |
| Midwest (OH, MI, IL, IN, WI, MN) | $350 – $475 | 3–5 business days |
| Southwest (TX, AZ, NM, OK) | $400 – $550 | 4–6 business days |
| West Coast (CA, OR, WA) | $450 – $600 | 5–7 business days |
Local pickup is always free. Free delivery within 30 miles of Plaistow, NH.
Why Buy From 603 Auto Salvage?
- 50,000+ parts in stock from over 1,100 vehicles on-site in Plaistow, NH
- Every part inspected before listing — no guesswork
- Family-owned salvage yard — real people, not a call center
- 6-Month Warranty on this part
- Fast shipping — most orders ship within 24 hours
- Competitive pricing — save 50–70% vs dealer prices
- Serving New Hampshire, Massachusetts & all 50 states
Ready to order? Call (603) 392-7313 or add to cart above. We are here to help.




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