• SHOP
  • CLUB
0
My Garage
Add vehicle
0
items #
0,00 €
Your basket is empty

Spark plug MERCEDES-BENZ 123-Series iridium and platinum

Spark plug for MERCEDES-BENZ 123-Series — great deals on a huge range of parts
Select your car model to search for MERCEDES-BENZ 123-Series spark plug
CAN’T FIND YOUR CAR IN THE CATALOGUE?

Engine spark plug the MERCEDES-BENZ 123-Series: purchase online and save money

Top-quality Engine spark plug iridium and platinum, platinum and iridium for MERCEDES-BENZ 123-Series

Spark plug MERCEDES-BENZ 123-Series: leading brands

Top categories

Spark plug: parts the most common MERCEDES-BENZ 123-Series versions

Mercedes-Benz W123 Coupe
Mercedes W123 Estate
Mercedes-Benz W123 Saloon

Top-selling parts: Spark plug the MERCEDES-BENZ 123-Series buy online to reduce replacement cost

The bestselling original-quality replacement parts suitable for MERCEDES-BENZ 123-Series models in the category Engine spark plugs

-60%
RIDEX 686S0057 1977 MERCEDES-BENZ 123-Series Spark plug cost
Reviews - 8
Parts Details
  • Spark Plug: Nickel Middle Electrode, with taper gasket seat
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 16 mm
  • External Thread [mm]: 14
  • Thread Length [mm]: 17,5
  • Spark Position [mm]: 3
  • Thread Pitch [mm]: 1,25
  • Tightening Torque [Nm]: 20
  • Number of pins: 1
  • Tightening angle [degrees]: 15
  • RIDEX: Spark plug
  • Item number: 686S0057
  • Condition: New
Details
RIDEX 686S0057 Spark plug Spanner Size: 16 mm
Article number: 686S0057
compared to RRP 4,50 €

1,99 €
Price per item
price incl. 19% VAT, excl. delivery costs
-59%
RIDEX 686S0033 1976 MERCEDES-BENZ 123-Series Spark plug cost
Reviews - 12
Parts Details
  • Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 16 mm
  • External Thread [mm]: 14
  • Thread Length [mm]: 17,5
  • Spark Position [mm]: 3
  • Thread Pitch [mm]: 1,25
  • Tightening Torque [Nm]: 20
  • Number of pins: 1
  • Tightening angle [degrees]: 15
  • RIDEX: Spark plug
  • Item number: 686S0033
  • Condition: New
Details
RIDEX 686S0033 Spark plug Spanner Size: 16 mm
Article number: 686S0033
compared to RRP 4,80 €

1,99 €
Price per item
price incl. 19% VAT, excl. delivery costs
-38%
BERU Z27 1977 MERCEDES-BENZ 123-Series Spark plug cost
Reviews - 11
Parts Details
  • Product line: ULTRA
  • Spark Plug: 1 - Earthed Electrode, with gasket seat
  • Spanner Size: 21 mm
  • Thread Length [mm]: 19
  • Self-service suited packaging see parts list
  • Technical Information Number: 14 R-6 DU
  • Packaging length [cm]: 9
  • Packaging height [cm]: 2
  • Packaging width [cm]: 2
  • Tightening torque from [Nm]: 20
  • Tightening torque to [Nm]: 30
  • BERU: Spark plug
  • Item number: Z27
  • Condition: New
Details
BERU 0 002 340 701 Spark plug 14 R-6 DU, Spanner Size: 21 mm
Article number: Z27
compared to RRP 6,00 €

3,99 €
Price per item
price incl. 19% VAT, excl. delivery costs
-31%
CHAMPION OE001/T10 1976 MERCEDES-BENZ 123-Series Spark plug cost
Reviews - 15
Parts Details
  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Copper Centre Electrode
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 21 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M14x1.25
  • Connector type: M4 / SAE
  • Packing Type: Box
  • Technical Information Number: N9YC
  • Tightening torque from [Nm]: 25
  • Tightening torque to [Nm]: 30
  • Packaging length [cm]: 8,65
  • Packaging width [cm]: 2,45
  • Packaging height [cm]: 2,45
  • Projection [mm]: 1,5
  • CHAMPION: Spark plug
  • Item number: OE001/T10
  • Condition: New
Details
CHAMPION N9YC Spark plug N9YC, M14x1.25, Spanner Size: 21 mm, Nickel GE
Article number: OE001/T10
compared to RRP 4,00 €

2,99 €
Price per item
price incl. 19% VAT, excl. delivery costs
-44%
BERU UPT8 1977 original MERCEDES-BENZ 123-Series iridium and platinum Engine spark plug price
Reviews - 25
Parts Details
  • Spark Plug: 1 - Earthed Electrode, with gasket seat
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 21 mm
  • Quality / Grade: Poly-V Tit
  • Supplementary Info: ULTRA TITAN
  • Thread Length [mm]: 19
  • Thread Size: M14x1,25
  • Connector type: SAE / M4
  • Tightening torque from [Nm]: 20
  • Tightening torque to [Nm]: 30
  • Resistor from [kOhm]: 3
  • Resistor to [kOhm]: 10
  • BERU: Spark plug
  • Item number: UPT8
  • Condition: New
Details
BERU UPT8 Spark plug M14x1,25, Spanner Size: 21 mm, Poly-V Tit, ULTRA TITAN
Article number: UPT8
compared to RRP 9,74 €

5,59 €
Price per item
price incl. 19% VAT, excl. delivery costs
-16%
CHAMPION OE010/T10 1976 original MERCEDES-BENZ 123-Series iridium and platinum Engine spark plug price
Reviews - 11
Parts Details
  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Copper Centre Electrode
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 21 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M14x1.25
  • Connector type: M4 / SAE
  • Packing Type: Box
  • Technical Information Number: N7YC
  • Tightening torque from [Nm]: 25
  • Tightening torque to [Nm]: 30
  • Packaging length [cm]: 8,65
  • Packaging width [cm]: 2,45
  • Packaging height [cm]: 2,45
  • Projection [mm]: 1,5
  • CHAMPION: Spark plug
  • Item number: OE010/T10
  • Condition: New
Details
CHAMPION N7YC Spark plug N7YC, M14x1.25, Spanner Size: 21 mm, Nickel GE
Article number: OE010/T10
compared to RRP 4,10 €

3,59 €
Price per item
price incl. 19% VAT, excl. delivery costs
-49%
NGK 1497 1977 original MERCEDES-BENZ 123-Series iridium and platinum Engine spark plug price
Reviews - 12
Parts Details
  • Product line: LPG Laser Line
  • Spark Plug: Unscrewable SAE connector, Iridium Middle Electrode
  • Spanner Size: 20,8 mm
  • Thread Size: M14 x 1,25
  • Fuel Type: CNG / LPG
  • Recommended change interval [km]: 60000
  • NGK: Spark plug
  • Item number: 1497
  • Condition: New
Details
NGK LPG2 Spark plug CNG/LPGM14 x 1,25, Spanner Size: 20,8 mm
Article number: 1497
compared to RRP 39,39 €

20,49 €
Price per item
price incl. 19% VAT, excl. delivery costs
-41%
NGK 6466 1976 original MERCEDES-BENZ 123-Series iridium and platinum Engine spark plug price
Reviews - 13
Parts Details
  • Product line: V-Line
  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with taper gasket seat
  • Spanner Size: 16 mm
  • Thread Length [mm]: 17,5
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • NGK: Spark plug
  • Item number: 6466
  • Condition: New
Details
NGK BP6EF Spark plug M14 x 1,25, Spanner Size: 16 mm
Article number: 6466
compared to RRP 5,95 €

3,59 €
Price per item
price incl. 19% VAT, excl. delivery costs
-30%
CHAMPION OE009/T10 Mercedes 123-Series engine spark plug
Reviews - 14
Parts Details
  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with taper seat, Copper Centre Electrode
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 16 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 17,5
  • Spark Position [mm]: 3
  • Thread Size: M14x1.25
  • Connector type: M4 / SAE
  • Packing Type: Box
  • Technical Information Number: S9YC
  • Tightening torque from [Nm]: 15
  • Tightening torque to [Nm]: 20
  • Packaging length [cm]: 8,65
  • Packaging width [cm]: 2,45
  • Packaging height [cm]: 2,45
  • Projection [mm]: 1,5
  • CHAMPION: Spark plug
  • Item number: OE009/T10
  • Condition: New
Details
CHAMPION S9YC Spark plug S9YC, M14x1.25, Spanner Size: 16 mm, Nickel GE
Article number: OE009/T10
compared to RRP 4,16 €

2,99 €
Price per item
price incl. 19% VAT, excl. delivery costs
-55%
STARK SKSP-1990010 Mercedes 123-Series spark plug
Reviews - 5
Parts Details
  • Spark Plug: 1 - Earthed Electrode, Nickel Middle Electrode
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 20,8
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M 14 x 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 1
  • STARK: Spark plug
  • Item number: SKSP-1990010
  • Condition: New
Details
STARK SKSP-1990010 Spark plug M 14 x 1,25, Spanner Size: 20,8
Article number: SKSP-1990010
compared to RRP 4,10 €

1,99 €
Price per item
price incl. 19% VAT, excl. delivery costs
-41%
FEBI BILSTEIN 13450 Mercedes 123-Series engine spark plugs
Reviews - 7
Parts Details
  • Spark Plug: 1 - Earthed Electrode, with gasket seat
  • Electrode Gap [mm]: 0,71
  • Spanner Size: 21
  • Thread Length [mm]: 19
  • for OE number: 003 159 10 03
  • contains article number: 13448
  • External Thread Size: M14 x 1,25
  • FEBI BILSTEIN: Spark plug
  • Item number: 13450
  • Condition: New
Details
FEBI BILSTEIN FL15WC1 Spark plug Spanner Size: 21
Article number: 13450
compared to RRP 3,43 €

1,99 €
Price per item
price incl. 19% VAT, excl. delivery costs
-46%
DENSO IW20TT Mercedes 123-Series spark plug
Reviews - 13
Parts Details
  • Product line: Iridium TT
  • Spark Plug: with resistor, 1 - Earthed Electrode, Iridium Middle Electrode, Platinum mass electrode
  • Thread Length [mm]: 19
  • Thread Size: M14x1.25
  • Diameter [mm]: 14
  • Gross Weight [g]: 61
  • alternative item: IW20TT
  • DENSO: Spark plug
  • Item number: IW20TT
  • Condition: New
Details
DENSO 4709 Spark plug M14x1.25,
Article number: IW20TT
compared to RRP 23,59 €

12,99 €
Price per item
price incl. 19% VAT, excl. delivery costs
-49%
CHAMPION CET8 genuine Mercedes-Benz 123-Series Engine spark plug cost
Reviews - 8
Parts Details
  • Product line: Aerovantage Spoiler
  • Spark Plug: 1 - Earthed Electrode, with gasket seat
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 21 mm
  • Quality / Grade: Ti Poly-V
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M14x1.25
  • Connector type: M4 / SAE
  • Packing Type: Box
  • Technical Information Number: CET8
  • Tightening torque from [Nm]: 25
  • Tightening torque to [Nm]: 30
  • Packaging length [cm]: 8,85
  • Packaging width [cm]: 2,6
  • Packaging height [cm]: 2,35
  • Resistor from [kOhm]: 3
  • Resistor to [kOhm]: 10
  • Projection [mm]: 1,5
  • CHAMPION: Spark plug
  • Item number: CET8
  • Condition: New
Details
CHAMPION CET8 Spark plug CET8, M14x1.25, Spanner Size: 21 mm, Ti Poly-V
Article number: CET8
compared to RRP 8,85 €

4,59 €
Price per item
price incl. 19% VAT, excl. delivery costs
-55%
NGK 1516 genuine Mercedes-Benz 123-Series Spark plug cost
Reviews - 12
Parts Details
  • Product line: LPG Laser Line
  • Spark Plug: Iridium Middle Electrode, Fixed SAE connector
  • Spanner Size: 16 mm
  • Thread Length [mm]: 17,5
  • Thread Size: M14 x 1,25
  • Fuel Type: CNG / LPG
  • Recommended change interval [km]: 60000
  • NGK: Spark plug
  • Item number: 1516
  • Condition: New
Details
NGK LPG5 Spark plug CNG/LPGM14 x 1,25, Spanner Size: 16 mm
Article number: 1516
compared to RRP 39,39 €

17,99 €
Price per item
price incl. 19% VAT, excl. delivery costs
-39%
FEBI BILSTEIN 13453 genuine Mercedes-Benz 123-Series Engine spark plugs cost
Reviews - 2
Parts Details
  • Spark Plug: 1 - Earthed Electrode, with gasket seat
  • Electrode Gap [mm]: 0,7
  • Spanner Size: 21
  • Thread Length [mm]: 19
  • Weight [kg]: 0,03
  • contains article number: 13451
  • External Thread Size: M14 x 1,25
  • FEBI BILSTEIN: Spark plug
  • Item number: 13453
  • Condition: New
Details
FEBI BILSTEIN FLR13WC1 Spark plug Spanner Size: 21
Article number: 13453
compared to RRP 4,64 €

2,99 €
Price per item
price incl. 19% VAT, excl. delivery costs
-23%
CHAMPION OE018/T10 genuine Mercedes-Benz 123-Series Spark plug cost
Reviews - 6
Parts Details
  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Copper Centre Electrode
  • Electrode Gap [mm]: 1
  • Spanner Size: 21 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M14x1.25
  • Connector type: M4 / SAE
  • Packing Type: Box
  • Technical Information Number: RN7YC
  • Tightening torque from [Nm]: 25
  • Tightening torque to [Nm]: 30
  • Packaging length [cm]: 8,65
  • Packaging width [cm]: 2,45
  • Packaging height [cm]: 2,45
  • Resistor from [kOhm]: 6
  • Resistor to [kOhm]: 15
  • Projection [mm]: 1,6
  • CHAMPION: Spark plug
  • Item number: OE018/T10
  • Condition: New
Details
CHAMPION RN7YC Spark plug RN7YC, M14x1.25, Spanner Size: 21 mm, Nickel GE
Article number: OE018/T10
compared to RRP 4,84 €

3,99 €
Price per item
price incl. 19% VAT, excl. delivery costs
-58%
STARK SKSP-1990032 genuine Mercedes-Benz 123-Series Spark plug cost
Reviews - 10
Parts Details
  • Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 16 mm
  • External Thread [mm]: 14
  • Thread Length [mm]: 17,5
  • Spark Position [mm]: 3
  • Thread Pitch [mm]: 1,25
  • Tightening Torque [Nm]: 20
  • Number of pins: 1
  • Tightening angle [degrees]: 15
  • STARK: Spark plug
  • Item number: SKSP-1990032
  • Condition: New
Details
STARK SKSP-1990032 Spark plug Spanner Size: 16 mm
Article number: SKSP-1990032
compared to RRP 4,60 €

1,99 €
Price per item
price incl. 19% VAT, excl. delivery costs
DENSO W9EP genuine Mercedes-Benz 123-Series Engine spark plugs cost
Reviews - 1
Parts Details
  • Product line: Nickel
  • Spark Plug: 1 - Earthed Electrode, Nickel Middle Electrode
  • Spanner Size: 20.6 mm
  • Thread Length [mm]: 19
  • Thread Size: M14x1.25
  • Connector type: Removable SAE
  • Tightening Torque [Nm]: 22
  • Diameter [mm]: 14
  • Weight [g]: 56
  • for OE number: 9993410685100
  • alternative item: -
  • DENSO: Spark plug
  • Item number: W9EP
  • Condition: New
Details
DENSO 6005 Spark plug M14x1.25, Spanner Size: 20.6 mm
Article number: W9EP
8,59 €
Price per item
price incl. 19% VAT, free delivery
FEBI BILSTEIN 13438 genuine Mercedes-Benz 123-Series Spark plug set cost
Reviews - 1
Parts Details
  • Spark Plug: with taper gasket seat, 1 - Earthed Electrode
  • Electrode Gap [mm]: 0,7
  • Spanner Size: 16 mm
  • Thread Length [mm]: 18
  • contains article number: 13436
  • External Thread Size: M14 x 1,25
  • FEBI BILSTEIN: Spark plug
  • Item number: 13438
  • Condition: New
Details
FEBI BILSTEIN FG13WC1 Spark plug Spanner Size: 16 mm
Article number: 13438
3,29 €
Price per item
price incl. 19% VAT, excl. delivery costs
-57%
HELLA 8EH 188 704-171 genuine Mercedes-Benz 123-Series Spark plug cost
Reviews - 1
Parts Details
  • Spark Plug: 1 - Earthed Electrode
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 20,8
  • Thread Length [mm]: 19
  • Thread Size: M14 x 1,25
  • Tightening Torque [Nm]: 28
  • Assy. / disassy. by qualified personnel required!
  • HELLA: Spark plug
  • Item number: 8EH 188 704-171
  • Condition: New
Details
HELLA CH8P-8 Spark plug M14 x 1,25, Spanner Size: 20,8
Article number: 8EH 188 704-171
compared to RRP 4,76 €

2,29 €
Price per item
price incl. 19% VAT, excl. delivery costs

Find out more about the product category Spark plug suitable for MERCEDES-BENZ 123-Series — selection, replacements, price, and experiences

Sooner or later, any car will need repair, and you may start wondering what Spark plug you should choose to replace the worn or damaged component on your MERCEDES-BENZ 123-Series.

Here is what to look for when selecting and buying new car parts:

  • compatibility with your vehicle type
  • expert opinions
  • customer reviews and experiences
  • brand
  • price

How do I know if a product is compatible with my car?

We recommend using the OEM part number or your vehicle’s registration number when selecting an automotive part from the category Spark plug for your MERCEDES-BENZ 123-Series.

Simply enter your vehicle’s data on our website and select the desired spare part. After that, you will see a catalogue of fitting and compatible products for your car.

Experiences, testing, and comparison of the product category Spark plug suitable for MERCEDES-BENZ 123-Series

You will find numerous reviews and ratings from our customers on our product pages, where you can also compare the items you plan to purchase. If you have questions about our services and spare part selection or want to check compatibility, do not hesitate to contact our customer support team. They are always on hand to help and give you advice.

Spark plug suitable for MERCEDES-BENZ 123-Series: which brand is better?

According to our customers, the best spare parts in the product category Spark plug suitable for MERCEDES-BENZ 123-Series come from the following brands:

  • BOSCH
  • NGK
  • DENSO
  • BERU
  • CHAMPION

Spark plug suitable for MERCEDES-BENZ 123-Series: how much does this product cost?

The price of car parts within the category Spark plug suitable for MERCEDES-BENZ 123-Series ranges from £1 to £21, depending on the manufacturer and product specifications.

Place an order for your Spark plug suitable for MERCEDES-BENZ 123-Series at AUTODOC and save on car maintenance and servicing. Our online shop cooperates with reliable courier services, so you can enjoy quick and safe delivery.

Safe Order 200 days for MERCEDES-BENZ 123-Series Engine spark plugs
Safe Order 200 days
Safe Order 200 days

Confidence in online shopping! You can return MERCEDES-BENZ 123-Series spark plug without explanation within 200 days after purchase and get your money back. How? Just use the Safe Order service on the checkout page. The service cost is only 2,99 €.

Free Shipping
Free Shipping
Free Shipping

Each order from 100 € value of goods, include free shipping within Germany.
*Does not apply to large-size auto parts.