Vehicle price comparison
Mercedes S Class vs Audi A4 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 Mercedes S Class air bag cost more?
A used Mercedes S Class air bag carries a median asking price of $225, which is 42% higher than the Audi A4 at $159. Supply also plays a role: Mercedes S Class has 16,411 priced listings versus 3,604 for Audi A4, 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 10 model years for the Audi A4 (2015–2024) but only 8 for the Mercedes S Class (2015–2023), so the Audi A4 data reflects a broader range of generations.
The Mercedes S Class air bag is interchangeable across 13 model years versus just 9 for the Audi A4 — that wider compatibility window means more donor vehicles in salvage yards and tends to push prices lower.
At Grade A (excellent) condition, the Audi A4 is 27% cheaper ($164 vs $224) — 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
Audi A4 Air Bag
$40 – $700 · 3,604 listings
Common questions
Mercedes S Class vs Audi A4 air bag FAQ
Is a used Mercedes S Class air bag cheaper than a Audi A4?
Audi A4 has the lower median by $66 (42%). The Audi A4 air bag ranges from $40 to $700 across 3,604 listings, while the Mercedes S Class ranges from $50 to $940 across 16,411 listings.
Can I use a Mercedes S Class air bag in a Audi A4?
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 3,604 priced Audi A4 listings — 20,015 in total.
How does condition grade affect the price?
Part condition significantly impacts price. Grade A (Excellent): Mercedes S Class $224 vs Audi A4 $164. Grade B (Good): Mercedes S Class $268 vs Audi A4 $160. 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 Audi A4 has 10. Variants differ by engine size, drivetrain, or part number — matching the right variant is critical for proper fitment.
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