Vehicle price comparison
Mercedes E Class vs Infiniti QX50 Throttle Body 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 Infiniti QX50 throttle body cost more?
A used Infiniti QX50 throttle body carries a median asking price of $100, which is 9% higher than the Mercedes E Class at $91. Supply also plays a role: Mercedes E Class has 1,979 priced listings versus 393 for Infiniti QX50, and more listings generally mean more choices and more competitive pricing.
Grade A (excellent condition) parts make up 84% of Mercedes E Class listings compared to 65% for the Infiniti QX50, so buyers looking for top-condition units will find more options on the Mercedes E Class side.
The Mercedes E Class average ($126) runs 38% above its median ($91), indicating a tail of high-priced listings — likely low-mileage or remanufactured units pulling the average up.
The Infiniti QX50 throttle body is interchangeable across 19 model years versus just 13 for the Mercedes E Class — that wider compatibility window means more donor vehicles in salvage yards and tends to push prices lower.
At Grade B (good) condition, the Mercedes E Class is 64% cheaper ($46 vs $127) — the gap widens compared to the overall median difference.
Buyer's checklist
What to check before buying a used throttle body
- Distinguish between electronic drive-by-wire throttle bodies and traditional cable-actuated units with Idle Air Control (IAC) valves.
- Check bore diameter and butterfly valve throat for heavy carbon build-up, shaft play, or scoring along the aluminum bore wall.
- Inspect electronic sensor housing cover and connector pins for moisture entry, cracks, or burnt circuit traces.
- Verify coolant heating bypass nipple locations and vacuum port configurations, which vary by vehicle region and emission spec.
Full price guide
Mercedes E Class Throttle Body
$25 – $425 · 1,979 listings
Full price guide
Infiniti QX50 Throttle Body
$40 – $282 · 393 listings
Common questions
Mercedes E Class vs Infiniti QX50 throttle body FAQ
Is a used Mercedes E Class throttle body cheaper than a Infiniti QX50?
Mercedes E Class has the lower median by $9 (9%). The Mercedes E Class throttle body ranges from $25 to $425 across 1,979 listings, while the Infiniti QX50 ranges from $40 to $282 across 393 listings.
Can I use a Mercedes E Class throttle body in a Infiniti QX50?
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 1,979 priced Mercedes E Class listings and 393 priced Infiniti QX50 listings — 2,372 in total.
How does condition grade affect the price?
Part condition significantly impacts price. Grade A (Excellent): Mercedes E Class $100 vs Infiniti QX50 $91. Grade B (Good): Mercedes E Class $46 vs Infiniti QX50 $127. Grade C (Fair): Mercedes E Class $65 vs Infiniti QX50 $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 E Class throttle body has 5 trim variants and the Infiniti QX50 has 2. Variants differ by engine size, drivetrain, or part number — matching the right variant is critical for proper fitment.
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