Welcome to 603 Auto Salvage, We Sell Quality Used Auto Parts at Affordable prices.
Welcome to 603 Auto Salvage, We Sell Quality Used Auto Parts at Affordable prices.
$100.00
Used OEM engine control module (ECM/PCM) for 2003 Mercedes-Benz C-Class C32 AMG. This electronic control unit manages engine performance and diagnostics. Interchange 59201D, stock PCM6707.
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This used OEM engine control module was removed from a 2003 Mercedes-Benz C-Class C32 AMG donor vehicle. The ECM carries ID number 1121533279 and is designed specifically for the 203 chassis type. This electronic control unit has been inspected by our technicians and is currently on the shelf ready to ship.
The engine control module is the brain of your Mercedes-Benz’s engine management system, controlling fuel injection, ignition timing, emissions systems, and diagnostic functions. ECM failures are common due to electrical surges, water damage, or internal component degradation, often causing check engine lights, poor performance, or no-start conditions. Replacing a faulty ECM with a quality used OEM unit restores proper engine operation.
At 603 Auto Salvage, we maintain over 50,000 used auto parts in stock from more than 1,100 vehicles. Our experienced team can help you find the right ECM for your Mercedes-Benz and provide programming guidance. Browse our online inventory or contact us to verify compatibility and availability for your specific vehicle. 50,000+ parts in stock from over 1,100 vehicles. Contact us or call (603) 392-7313 for anything you need.
| Part | Engine Control Module (ECM/PCM) |
| Interchange # | 59201D |
| OEM Part Number | 1121533279 |
| Side | N/A |
| Part Grade | X — Inspected and tested, ready to ship from shelf stock |
| Warranty | 90-Day Warranty (Standard warranty for electronic control modules) |
| Type | Used OEM |
| Year / Make / Model | 2003 MERCEDES-BENZ CCLASS |
| VIN | N/A |
| Vehicle Stock # | PCM6707 |
Every part at 603 Auto Salvage is inspected before listing. Here is what was verified on this Engine Control Module (ECM/PCM):
| ✅ Connector Integrity | All electrical connectors checked for damage and corrosion |
| ✅ Housing Condition | ECM case inspected for cracks or water damage |
| ✅ Pin Verification | All connector pins verified straight and undamaged |
| ✅ Internal Components | No signs of burning or component failure visible |
Based on interchange #59201D, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2003 | Mercedes-Benz | C-Class C32 AMG | 203 chassis type, verify ECM ID number match |
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
Yes, this ECM will likely require programming to match your vehicle’s VIN and security system. Contact a Mercedes dealer or qualified technician for programming services.
Common symptoms include check engine lights, poor fuel economy, rough idling, stalling, or failure to start. Professional diagnosis is recommended to confirm ECM failure.
This ECM fits 2003 C32 AMG models with 203 chassis. Verify your current ECM ID number matches 1121533279 before ordering.
ECMs can fail due to electrical surges, water damage, overheating, or internal component wear. Age and high mileage also contribute to electronic component degradation.
While physical installation is straightforward, professional programming is required. The ECM must be coded to your specific vehicle for proper operation.
Looking for this part by number? Here are the reference numbers:
| Mercedes Part ID | 1121533279 |
| Chassis Type | 203 |
| Engine Application | C32 AMG |
| Source | Price Range | Warranty | Notes |
|---|---|---|---|
| Dealer (New OEM) | $800-1200 | 1 year | Brand new, longest wait time |
| Aftermarket | $400-600 | Varies | Non-OEM fitment, quality varies |
| Other Salvage Yards | $150-250 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $100 | 90-Day Warranty | Tested, Grade X, ships in 24hrs |
🔍 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
This part ships via FedEx Ground. 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) | $15 – $30 | 1–3 business days |
| Northeast (NY, NJ, PA, MD, VA) | $20 – $40 | 2–4 business days |
| Southeast (FL, GA, NC, SC, TN) | $25 – $45 | 3–5 business days |
| Midwest (OH, MI, IL, IN, WI, MN) | $30 – $50 | 3–5 business days |
| Southwest (TX, AZ, NM, OK) | $35 – $55 | 4–6 business days |
| West Coast (CA, OR, WA) | $40 – $65 | 5–7 business days |
Local pickup is always free. Free delivery within 30 miles of Plaistow, NH.
Ready to order? Call (603) 392-7313 or add to cart above. We are here to help.
| Weight | 3 lbs |
|---|
RatingGreat service! The best price and condition for the Porsche Cayenne parts needed to finish the job. Radiator core support and headlight fit perfectly!
Drove from new york, Julie was a sweetheart asked questions to make sure that my ECU was the proper part number and was compatible with my manual Accord, price was phenomenal I highly recommend them for any parts your car may need. Definitely the best salvage yard around
Great experience at 603 Auto Salvage! ⭐️ The owner and employee were both extremely helpful and easy to work with. I was able to find everything I needed in one stop — about seven different items — which saved me a lot of time and hassle. Good selection, fair pricing, and friendly service. Definitely recommend checking them out if you're looking for parts. I’ll be back again! 👍🔧🚗
I had a great experience with 603 Auto Salvage Inc. The team was very helpful and quickly found the exact part I needed. They kept me informed and made the pickup process easy. The price was very fair, and the service was excellent. I would definitely recommend them and will use them again if I need parts in the future.
Excellent support, she helped me with my order service was fast and exactly what I needed.Very Professional.
The customer service at 603 was great. They found the part I needed very quickly and promptly notified me when it was ready to be picked up. There wasn’t any other place in the area that had what I needed. The price was very good also. I will be using them again for sure.
I had a great experience. They didn’t just look up the part I needed they took the time to explain how to install it and made sure I understood everything. I even received a call back, which I really appreciated. Everyone I spoke with was friendly and patient, and I never felt brushed off. I truly felt taken care of. Highly recommend if you want knowledgeable people who actually care about helping you. Kristy Thanks Guys!
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Great service! Picked up a door for my car and it was in good condition.
Purchased a wheel they had it ready the next day , not damaged, and ready for pickup. Julie was helpful at the front desk giving a specific time frame and held to it.
Super Friendly, Easy to work with, Accurate inventory, and great prices
Great place, have a wide selection of cars. They definitely will have what you need if not they will help a ton!
Great customer service and great prices!!! I purchased an engine that was in excellent condition and could not beat the price. The woman at the desk, Julie, was very helpful and knowledgeable. They put the engine on the back of the truck for me And secured it as well. I highly recommend this place. I will be coming here for any parts I need.
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I urgently needed a set of Hyundai wheels for a used car delivery and quick. Julie and her crew saved the day. She was able to check inventory, confirm she had what I needed and get them ready for pick up in amazingly short order. Autoshop Services will be a regular customer. Thank You. .
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