Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

2016 Mercedes Benz SLK300 Base Convertible 172.438 L4 2.0L

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle 2016 Mercedes Benz SLK300 Base Convertible 172.438 L4 2.0L
Your Vehicle 2016 Mercedes Benz SLK300 Base Convertible 172.438 L4 2.0L
Change Clear

2016 Mercedes Benz SLK300 Base Convertible 172.438 L4 2.0L Ignition Maintenance Parts

Sort By
Filter By
Return to Top

Extended 5/8" (16mm) Magnetic Spark Plug Socket

ES#9340 - S-3858-125 - Extended 5/8" (16mm) Magnetic Spark Plug Socket - The perfect tool for deeply recessed 5/8-inch spark plugs - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

The perfect tool for deeply recessed 5/8-inch spark plugs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
9340
Mfg#:
S-3858-125
In Stock
ON SALE! SAVE 23%
$25.99

This product was last offered at the strikethrough price on
05-02-2026

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug Socket 12" x 5/8" - Bavarian Autosport

ES#3673914 - B8800072 - Spark Plug Socket 12" x 5/8" - Bavarian Autosport - Magnetic insert holds the spark plug securely in place for easy installation. - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Magnetic insert holds the spark plug securely in place for easy installation. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673914
Mfg#:
B8800072
In Stock
ON SALE! SAVE 20%
$37.99

This product was last offered at the strikethrough price on
05-02-2026

$30.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Combination Feeler Gauge/Spark Plug Gapping Tool

ES#3617897 - KDT164 - Combination Feeler Gauge/Spark Plug Gapping Tool - Measure and correctly adjust the gap of your spark plugs - Gear Wrench - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Measure and correctly adjust the gap of your spark plugs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gear Wrench - Corporate Logo
ES#:
3617897
Mfg#:
KDT164
In Stock
$18.99

This product was last offered at the strikethrough price on
12-09-2025

$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil With Spark Plug Connector - Priced Each

ES#4933242 - 270906050064 - Ignition Coil With Spark Plug Connector - Priced Each - Keep your engine running smooth - Bosch - Mercedes Benz

Keep your engine running smooth affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
For cars with Bosch Ignition Coils (Code 188).

Brand:
Bosch - Corporate Logo
ES#:
4933242
Mfg#:
270906050064
In Stock
$61.99

This product was last offered at the strikethrough price on
03-16-2026

$55.99 USD
Free Shipping
on orders $49 and up

Spark Plugs - Set Of Four

ES#3690321 - 2701590700KT - Spark Plugs - Set Of Four - Ensure proper spark and avoid misfires - Genuine Mercedes Benz - Mercedes Benz

Ensure proper spark and avoid misfires affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
3690321
Mfg#:
2701590700KT
In Stock
$110.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Titan Swivel Spark Plug Socket Extension

ES#4352826 - TIT62161 - Titan Swivel Spark Plug Socket Extension - Knurled shaft for better grip - Titan - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Knurled shaft for better grip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Titan - Corporate Logo
ES#:
4352826
Mfg#:
TIT62161
In Stock
$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug Socket 16MM 12 Point Swivel

Use for cars requiring Swivel Spark Plug Socket 16MM or brisk plugs 6 point affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
3604875
Mfg#:
CTA4329
In Stock
$24.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil With Spark Plug Connector - Set Of 4

ES#4934739 - 270906050064KT1 - Ignition Coil With Spark Plug Connector - Set Of 4 - Keep your engine running smooth - Bosch - Mercedes Benz

Keep your engine running smooth affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
For cars with Bosch Ignition Coils (Code 188).

Brand:
Bosch - Corporate Logo
ES#:
4934739
Mfg#:
270906050064KT1
In Stock
$247.99

This product was last offered at the strikethrough price on
03-16-2026

$223.99 USD
Free Shipping
on orders $49 and up

Spark Plug Gapper

ES#4336973 - CTA3235 - Spark Plug Gapper - Always check gap on your new spark plugs - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Always check gap on your new spark plugs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
4336973
Mfg#:
CTA3235
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plugs - Set Of Four

ES#4745128 - 27015907000KT - Spark Plugs - Set Of Four - Ensure proper spark and avoid misfires. OEM Supplier! - NGK - Mercedes Benz

Ensure proper spark and avoid misfires. OEM Supplier! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
4745128
Mfg#:
27015907000KT
In Stock
$123.99

This product was last offered at the strikethrough price on
01-16-2026

$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
This product has been superseded to ES#3688221

Spark Plug - Priced Each

ES#3637380 - 2701590700 - Spark Plug - Priced Each - Genuine Mercedes-Benz Replacement Part - Ensure proper spark and avoid misfires - Genuine Mercedes Benz - Mercedes Benz

Genuine Mercedes-Benz Replacement Part - Ensure proper spark and avoid misfires affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
3637380
Mfg#:
2701590700
In Stock
3% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$28.50

This product was last offered at the strikethrough price on
01-06-2026

$27.62 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#4934747 - 270906050064KT3 - Ignition Service Kit - Set of 4 spark plugs and ignition coils for Mercedes M270 & M274 engines - Assembled By ECS - Mercedes Benz

Set of 4 spark plugs and ignition coils for Mercedes M270 & M274 engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For cars with Bosch Ignition Coils (Code 188).

Brand:
Assembled By ECS - Corporate Logo
ES#:
4934747
Mfg#:
270906050064KT3
In Stock
$367.99

This product was last offered at the strikethrough price on
01-08-2026

$334.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

9-Wire Spark Plug Gap Gauge

ES#4336975 - CTA3238 - 9-Wire Spark Plug Gap Gauge - Always check gap on your new spark plugs - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Always check gap on your new spark plugs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
4336975
Mfg#:
CTA3238
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug - Priced Each

ES#4745127 - 2701590700 - Spark Plug - Priced Each - Ensure proper spark and avoid misfires. OEM Supplier! - NGK - Mercedes Benz

Ensure proper spark and avoid misfires. OEM Supplier! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
4745127
Mfg#:
2701590700
In Stock
$30.99

This product was last offered at the strikethrough price on
02-24-2026

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

4 Pc. Spark Plug Socket Set-Euro

ES#3998971 - CTA2030 - 4 Pc. Spark Plug Socket Set-Euro - Get the complete set and be ready. - CTA Tools - BMW Mercedes Benz MINI

Get the complete set and be ready. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
3998971
Mfg#:
CTA2030
Ships on Jun 19, 2026
$81.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug Connector Lubricant - Genuine Mercedes

ES#4627052 - 0029890808 - Spark Plug Connector Lubricant - Genuine Mercedes - Makes sure your spark plug boots don't become stuck on - Genuine Mercedes Benz - Mercedes Benz

Makes sure your spark plug boots don't become stuck on affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
4627052
Mfg#:
0029890808
Ships in 2 Business Days
6% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$63.00

This product was last offered at the strikethrough price on
01-06-2026

$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Ignition Maintenance Parts

A weak ignition system leaves power on the table and can be the cause of misfires, rough idle, unburned fuel, and more. Service your ignition system with spark plugs, coil packs, distributors, ignition wiring harnesses, and everything else all from the best OEM suppliers and aftermarket brands you know and love.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings