Vehicle price comparison
Mercedes S Class vs BMW X7 Control Arm 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 X7 control arm cost more?
A used BMW X7 control arm carries a median asking price of $231, which is 22% higher than the Mercedes S Class at $180. Supply also plays a role: Mercedes S Class has 6,710 priced listings versus 1,096 for BMW X7, and more listings generally mean more choices and more competitive pricing.
Our guide covers 10 model years for the Mercedes S Class (2015–2024) but only 7 for the BMW X7 (2019–2025), so the Mercedes S Class data reflects a broader range of generations.
The Mercedes S Class control arm is interchangeable across 12 model years versus just 7 for the BMW X7 — that wider compatibility window means more donor vehicles in salvage yards and tends to push prices lower.
At Grade B (good) condition, the BMW X7 is 22% cheaper ($236 vs $303) — the gap narrows compared to the overall median difference.
Buyer's checklist
What to check before buying a used control arm
- Inspect the arm for subtle bends, hairline cracks, or deep rust scale, comparing geometry carefully against your original unit.
- Examine the rubber bushings for dry rot, tearing, or separation from the metal casing, as worn bushings require pressing out before installation.
- Check integrated ball joints for boot tears and axial play; if non-replaceable, factor in the cost of a unit with a fresh ball joint.
- Verify material type (cast iron, stamped steel, or aluminum) and sway bar link mounting location, which can vary across sub-models and suspension packages.
Full price guide
Mercedes S Class Control Arm
$50 – $849 · 6,710 listings
Full price guide
BMW X7 Control Arm
$71 – $532 · 1,096 listings
Common questions
Mercedes S Class vs BMW X7 control arm FAQ
Is a used Mercedes S Class control arm cheaper than a BMW X7?
Mercedes S Class has the lower median by $51 (22%). The Mercedes S Class control arm ranges from $50 to $849 across 6,710 listings, while the BMW X7 ranges from $71 to $532 across 1,096 listings.
Can I use a Mercedes S Class control arm in a BMW X7?
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 6,710 priced Mercedes S Class listings and 1,096 priced BMW X7 listings — 7,806 in total.
How does condition grade affect the price?
Part condition significantly impacts price. Grade A (Excellent): Mercedes S Class $186 vs BMW X7 $231. Grade B (Good): Mercedes S Class $303 vs BMW X7 $236. 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 control arm has 2 trim variants and the BMW X7 has 4. Variants differ by engine size, drivetrain, or part number — matching the right variant is critical for proper fitment.
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