Part # 7446

Spark Plug

Name: Spark Plug
Brand: Bosch
SKU: BBHK_7446
Availability: InStock

Fits Mercedes-Benz — 80 vehicle applications

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Free ShippingOrders $99+

WarrantyManufacturer backed

Easy Returns30-day policy

Canadian OwnedShipped across Canada

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Bosch 7446 Vehicle Fitment

Fits 80 vehicles

This Spark Plug fits Mercedes-Benz vehicles.

1997 Mercedes-Benz C230
1995-1997 Mercedes-Benz C36 AMG
1994-2002 Mercedes-Benz SL600
1994-1997 Mercedes-Benz C280
1994-1997 Mercedes-Benz S600
1994-1997 Mercedes-Benz SL320
1994-1997 Mercedes-Benz E420
1994-1997 Mercedes-Benz S320
1994-1997 Mercedes-Benz S420
1994-1997 Mercedes-Benz E320
1994-1997 Mercedes-Benz SL500
1994-1997 Mercedes-Benz S500
1994-1996 Mercedes-Benz C220
1994 Mercedes-Benz E500
1993 Mercedes-Benz 600SL
1993 Mercedes-Benz 500SEC
1993 Mercedes-Benz 400SEL
1993 Mercedes-Benz 300TE
1993 Mercedes-Benz 300E
1993 Mercedes-Benz 600SEC
1992-1993 Mercedes-Benz 300SE
1992-1993 Mercedes-Benz 400E
1992-1993 Mercedes-Benz 600SEL
1992-1993 Mercedes-Benz 500SEL
1992-1993 Mercedes-Benz 500E
1992 Mercedes-Benz 400SE
1990-1993 Mercedes-Benz 300SL
1990-1993 Mercedes-Benz 300CE
1990-1993 Mercedes-Benz 500SL

Bosch 7446 Specifications

Manufacturer Heat Range: 8
Resistance: 0
Ground Electrode Quantity: 1
Insulator Material: Ceramic
Insulator Type: Non-Projected
Ground Electrode Core Material: Nickel

Bosch 7446 Product Description

Bosch conventional Nickel-Copper Spark Plugs are designed to deliver performance and value. Heavy-duty yttrium-enhanced nickel center electrode with copper core provides a longer lasting copper core spark plug. Engineered to meet or exceed Original Equipment specifications for nickel-copper core spark plugs.

Key Features

Angled, ribbed insulator design prevents misfire due to flash-over
Copper core provides broader heat range to resist pre-ignition and fouling
Heavy-duty yttrium enhanced nickel-copper center electrode ensures superior reliability and durability for up to 50% longer performance life vs. standard copper plugs
Metal glass fused resistor maximizes interference suppression
Nickel-plated rolled threads provide superior resistance to corrosion and do not require anti-seize - saving time

About Bosch

Shop Bosch Spark Plug at Autrex with vehicle fitment details, current pricing, and checkout options for the Bosch 7446. Eligible orders over $99 may qualify for free shipping, with some exceptions.

Ratings & Reviews

4.7out of 5

Based on 47 reviews

Direct fit, no surprises
Marc D.Verified BuyerMay 28, 2026
Lined up perfectly with the original. Install took about an hour with the right press. Solid feel back in the steering, no more clunk over bumps.
Installed on 2016 Ram 1500
Shipped fast across Canada
Jen P.Verified BuyerMay 14, 2026
Ordered on a Monday, had it by Wednesday in Calgary. Greasable fitting is a nice touch. Quality looks on par with OEM.
Installed on 2014 Chevrolet Silverado 1500
Good part, double-check your side
Steve R.Verified BuyerApr 30, 2026
Works great so far. Just confirm fitment for your exact trim before ordering — the fitment list on the page was accurate for mine.
Installed on 2017 Ford F-150
Quiet again
Amrit S.Verified BuyerApr 19, 2026
Replaced both sides at the same time. The knocking noise is completely gone. Boot quality feels durable.
Installed on 2015 GMC Sierra 1500
Would buy again
Daniel L.Mar 22, 2026
Second one I've bought from Autrex. Packaging was secure and the part matched the photos exactly.
Installed on 2013 Dodge Durango

Frequently Asked Questions — Bosch 7446

What vehicles does the Bosch 7446 fit?

The Bosch 7446 fits 29 vehicle applications including 1994-2002 Mercedes-Benz SL600, 1994-1997 Mercedes-Benz C280, 1994-1997 Mercedes-Benz S600, 1994-1997 Mercedes-Benz SL320, 1995-1997 Mercedes-Benz C36 AMG and 24 more. Check the full fitment list above to confirm your vehicle.

What are the shipping options for the Bosch 7446?

Shipping options for the Bosch 7446 are shown during checkout and may vary by item, address, and availability. Eligible orders over $99 may qualify for free shipping, with some exceptions. Call 1-866-461-2787 if you need help confirming shipping or pickup before ordering.

What is the price of the Bosch 7446?

For current pricing on the Bosch 7446, please call us at 1-866-461-2787. Availability and final order details are confirmed before checkout is completed.

Is the Spark Plug a direct fit replacement?

Yes, the Spark Plug by Bosch is designed as a direct fit replacement. Use our vehicle selector to confirm compatibility with your specific vehicle.

What warranty does the Spark Plug come with?

The Spark Plug comes with the standard Bosch manufacturer warranty. Please check the product specifications for exact warranty terms.

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