Vehicle price comparison
Mercedes S Class vs BMW X3 Fuel Pump prices
Saurabh Kumar
Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
Ambika Sharma
Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
Price face-off
Median price comparison
Condition comparison
How does the price differ by part grade?
Market analysis
Why does the BMW X3 fuel pump cost more?
A used BMW X3 fuel pump carries a median asking price of $165, which is 9% higher than the Mercedes S Class at $150. Supply also plays a role: Mercedes S Class has 4,953 priced listings versus 1,213 for BMW X3, and more listings generally mean more choices and more competitive pricing.
Grade A (excellent condition) parts make up 89% of Mercedes S Class listings compared to 67% for the BMW X3, so buyers looking for top-condition units will find more options on the Mercedes S Class side.
Our guide covers 11 model years for the BMW X3 (2015–2025) but only 9 for the Mercedes S Class (2015–2023), so the BMW X3 data reflects a broader range of generations.
At Grade B (good) condition, the Mercedes S Class is 25% cheaper ($113 vs $150) — the gap narrows compared to the overall median difference.
Buyer's checklist
What to check before buying a used fuel pump
- Match pump assembly module numbers, tank lock ring style, and quick-connect fuel line fitting diameters and counts (feed, return, and vapor lines).
- Check electrical connector pins for signs of heat scorching or melting, which indicates high current draw from an overheating motor.
- Inspect fuel level sender float arm and resistor wiper board for wear or corrosion that causes inaccurate gas gauge readings.
- Confirm whether the donor vehicle ran on standard gasoline, flex-fuel (E85), or diesel, as internal pump materials and flow rates vary accordingly.
Full price guide
Mercedes S Class Fuel Pump
$33 – $580 · 4,953 listings
Full price guide
BMW X3 Fuel Pump
$40 – $600 · 1,213 listings
Common questions
Mercedes S Class vs BMW X3 fuel pump FAQ
Is a used Mercedes S Class fuel pump cheaper than a BMW X3?
Mercedes S Class has the lower median by $15 (9%). The Mercedes S Class fuel pump ranges from $33 to $580 across 4,953 listings, while the BMW X3 ranges from $40 to $600 across 1,213 listings.
Can I use a Mercedes S Class fuel pump in a BMW X3?
This comparison describes pricing, not interchangeability. Even when two parts share similar prices, they may require different engines, trims, electronics, or mounting points. Always match the seller's part number against your VIN before purchasing.
How many listings does this comparison cover?
This comparison draws from 4,953 priced Mercedes S Class listings and 1,213 priced BMW X3 listings — 6,166 in total.
How does condition grade affect the price?
Part condition significantly impacts price. Grade A (Excellent): Mercedes S Class $150 vs BMW X3 $176. Grade B (Good): Mercedes S Class $113 vs BMW X3 $150. Grade C (Fair): Mercedes S Class $199 vs BMW X3 $75. Grade A parts are in excellent condition, B is good, and C is fair — always confirm grading criteria with the seller.
Are there different trim variants to choose from?
Yes. The Mercedes S Class fuel pump has 2 trim variants and the BMW X3 has 2. Variants differ by engine size, drivetrain, or part number — matching the right variant is critical for proper fitment.
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