mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Spark Plug Type|Page 4069 > < Spark Plug Type
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Spark Plug: Application and ID
Spark Plugs Installation Survey As-Built Configuration

 
SURVEY OF INSTALLABILITY:
Engine 113.942
Model 163.172 (ML 430)

BERU - 14FGH 8 DPURX 2
Bosch - F 8 DPER
NGK - IFR5D 10

SPARK PLUG IDENTIFICATION

BERU

Example: 14FGH 8 DTURX 0

14

Thread

F

Shape of seat and version

GH

Surface discharge spark plug with auxiliary spark gap

8

Thermo index

D

Length of thread and length of spark

T

Electrode version

U

Electrode material

RX0

Version type

Example: 14F-8 DUO

14

Thread

F

Shape of seat and version

8

Thermo index

D

Length of thread and length of spark

U

Electrode material

O

Version type

BOSCH

Example: F 8 KTCR

F

Shape of seat and thread

8

Thermo index

K

Length of thread, spark position

T

Electrode version

C

Electrode material

R

Version type, e.g. with resistor

Example: F 8 DCO

F

Shape of seat and thread

8

Thermo index

D

Length of thread, spark position

CO

Electrode version (heavy-duty)

NGK

Example: BK5 ES

Spark Plug Type|Page 4069 > < Spark Plug Type