Vehicle price comparison
Mercedes S Class vs BMW X7 Air Bag 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 air bag cost more?
A used BMW X7 air bag carries a median asking price of $300, which is 25% higher than the Mercedes S Class at $225. Supply also plays a role: Mercedes S Class has 16,411 priced listings versus 2,545 for BMW X7, and more listings generally mean more choices and more competitive pricing.
The Mercedes S Class average ($259) runs 15% above its median ($225), indicating a tail of high-priced listings — likely low-mileage or remanufactured units pulling the average up.
Our guide covers 8 model years for the Mercedes S Class (2015–2023) but only 6 for the BMW X7 (2020–2025), so the Mercedes S Class data reflects a broader range of generations.
The Mercedes S Class air bag is interchangeable across 13 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 A (excellent) condition, the Mercedes S Class is 25% cheaper ($224 vs $297) — the gap narrows compared to the overall median difference.
Buyer's checklist
What to check before buying a used air bag
- Verify that the module has never been deployed, repacked, or listed under active safety recalls by cross-referencing the OEM part number and donor vehicle VIN.
- Match interior trim color codes, steering wheel or dash mounting points, and single-stage vs. dual-stage inflator designs across vehicle trim levels.
- Inspect the module backing, clock spring connector housing, and mounting tabs for heat damage, hairline cracks, or tampered wiring harness splices.
- Ensure shipping complies with hazardous material regulations and verify that local laws permit installing salvaged supplemental restraint system (SRS) components.
Full price guide
Mercedes S Class Air Bag
$50 – $940 · 16,411 listings
Full price guide
BMW X7 Air Bag
$80 – $1,249 · 2,545 listings
Common questions
Mercedes S Class vs BMW X7 air bag FAQ
Is a used Mercedes S Class air bag cheaper than a BMW X7?
Mercedes S Class has the lower median by $75 (25%). The Mercedes S Class air bag ranges from $50 to $940 across 16,411 listings, while the BMW X7 ranges from $80 to $1,249 across 2,545 listings.
Can I use a Mercedes S Class air bag 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 16,411 priced Mercedes S Class listings and 2,545 priced BMW X7 listings — 18,956 in total.
How does condition grade affect the price?
Part condition significantly impacts price. Grade A (Excellent): Mercedes S Class $224 vs BMW X7 $297. Grade B (Good): Mercedes S Class $268 vs BMW X7 $316. Grade C (Fair): Mercedes S Class $115 vs BMW X7 $179. 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 air bag has 2 trim variants and the BMW X7 has 11. Variants differ by engine size, drivetrain, or part number — matching the right variant is critical for proper fitment.
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