Spark Plugs Specification
Verified OEM & Service Reference2026 Mercedes Benz S Class S500 / S550 4.7L V8 BiTurbo (M278) — Spark Plugs
Recommended interval: Every 60,000–100,000 miles (40,000 miles on turbo engines)
Engine / Trim Variant
OEM Part Number
A004-159-72-03
Quick Purchase
Check verified fitment on Amazon
Technical Specifications
| Cylinders / Plug Count | 6-cyl / 8-cyl / 12-cyl |
|---|
Compatible Aftermarket Options
Direct OEM cross-references- Buy NGK SILZKFR8E7S (94716) on AmazonNGKSILZKFR8E7S (94716)
Search query: NGK 94716 Mercedes S550 spark plug
Spark Plugs Fitment by Engine / Trim (2026 Mercedes Benz S Class)
| Engine / Trim | Oil Spec & Capacity | OEM Oil Filter |
|---|---|---|
| S350d (3.0L V6 Diesel) | 5W-30 (Low-SAPS) • 8.5 qt (8.0L) | A642-180-00-09 |
| S400 / S400 Long (3.0L V6 BiTurbo) | 5W-40 / 0W-40 • 6.9 qt (6.5L) | A276-180-00-09 |
| S500 / S550 (4.7L V8 BiTurbo) | 5W-40 / 0W-40 • 9.0 qt (8.5L) | A278-180-00-09 |
| S63 AMG (5.5L V8 BiTurbo) | 0W-40 / 5W-40 • 9.0 qt (8.5L) | A278-180-00-09 |
| S600 / S65 AMG (6.0L V12 BiTurbo) | 0W-40 / 5W-40 • 10.0 qt (9.5L) | A275-180-00-09 |
DIY Fitment & Verification Checklist for 2026 Mercedes Benz S Class
- Confirm your engine code or trim variant above before ordering parts, as mid-year production changes can affect spark plugs fitment.
- When purchasing OEM or aftermarket brands (Motorcraft, ACDelco, Mopar, Wix, Fram, Mobil 1, Bosch, NGK), cross-check the Amazon Garage Confirmed Fit badge with your 17-digit VIN.
- Always consult your 2026 Mercedes Benz S Class owner's manual for exact torque specs and fluid service intervals.
Sources: NHTSA vPIC & OEM Service SpecificationsReport an inaccurate spec or part number
Frequently Asked Questions
What is the OEM spark plugs specification for a 2026 Mercedes Benz S Class?
The primary OEM spark plugs part number / specification for the 2026 Mercedes Benz S Class S500 / S550 4.7L V8 BiTurbo (M278) is A004-159-72-03.
Which aftermarket spark plugs brands fit the 2026 Mercedes Benz S Class?
Compatible aftermarket options include NGK SILZKFR8E7S (94716).