Set of 4 NGK PFR5G-11 Platinum Spark-Plugs
The pictures are of some of the plugs on offer, all are pretty much the same new and spot on
The price is for 4. these are listed for the vehicles below, please note there are variations, these are mostly for engines that use 2 plugs per cylinder.

The NGK online catalogue can be found at  https://www.ngkpartfinder.co.uk

 it's quite easy to use, just go to catalogue and enter the details 

PFR5G-11
Stock No.:2647
Details

Wrench size Thread diameter Thread Length Spark gap Resistance
16,0 mm 14,0 mm 19,0 mm 1,1 mm interference-free, 5 kOhm

The table below is compiled from the NGK catalogue data mentioned above.

Please take good note of both engine code and series as there are variations.

MERCEDES BENZ

MODEL ENGINE / SERIES / ANY OTHER INFO PERIOD PLUGS REQUIRED
C240 2.4 M112.910 / 202 Series V6 06/97 –> 06/00 12
C240 2.6 M112.912, M112.915 / 203 Series V6 06/00 –> 12
C280 2.8 M112.920 / 202 Series V6 06/97 –> 05/01 12
C320 3.2 M112.946,M112.953 / 203 Series V6 09/00 –> 12
C43 AMG 4.3 M113.944 / 202 Series V8 02/98 –> 16
CL500 5.0 M119.970 / 140 Series V8 06/96 –> 16
CL500 5.0 M113.960 / 215 Series V8 01/00 –> 16
CL500 5.0 M113.960 / 215 Series V8 09/02 –> 16
CL55 AMG 5.4 M113.986 / 215 Series V8 06/00 –> 16
CL600 5.8 M137.970 / 215 Series V12 01/00 –> 09/02 24
CLK240 2.6 M112.912 / 209 Series V6 04/02 –> 06/05 12
CLK320 3.2 M112.940 / 208 Series V6 06/97 –> 12
CLK320 3.2 M112.955 / 209 Series V6 04/02 –> 12
CLK430 4.2 M113.943 / 208 Series V8 08/99 –> 16
CLK500 5.0 M113.968 / 209 Series V8 04/02 –> 12/06 16
CLK55 AMG 5.4 M113.984 / 208 Series V8 05/00 –> 16
CLS500 5.0 M113.967 / 219 Series V8 01/05 –> 16
E240 2.4 M112.911 / 210 Series V6 09/97 –> 12
E240 2.6 M112.914 / 210 Series V6 06/00 –> 12
E240 2.6 M112.913 / 211 Series V6 06/02 –> 12
E280 2.8 M112.921 / 210 Series V6 01/98 –> 06/02 12
E320 3.2 M112.941 / 210 Series V6 06/97 –> 12
E320 3.2 M112.949,M112.954 / 211 Series V6 06/02 –> 12
E430 4.3 M113.940 / 210 Series V8 09/97 –> 06/02 16
E500 5.0 M113.967,M113.969 / 211 Series V8 06/02 –> 16
E55 AMG 5.4 M113.980 / 210 Series V8 02/98 –> 10/02 16
ML320 3.2 M112.942 / 163 Series 04/98 –> 12
ML350 3.7 M112.970 / 163 Series V6 09/02 –> 12
ML430 4.3 M113.942 / 163 Series V8 98 –> 16
ML500 5.0 M113.964,M113.965 / 163 Series V8 08/01 –> 16
ML55 AMG 5.5 M113.981 / 163 Series V8 06/00 –> 10/05 16
S280 2.8 M112.922 / 220 Series V6 12/98 –> 06/02 12
S280 2.8 M112.922 / 220 Series V6 09/02 –> 12
S320 3.2 M112.944 / 220 Series V6 12/98 –> 12
S350 3.7 M112.972,M112.975 / 220 Series V6 09/02 –> 12
S430 4.3 M113.941 / 220 Series V8 12/98 –> 09/02 16
S430 4.3 M113.948 / 220 Series V8 09/02 –> 16
S500 5.0 M113.960 / 220 Series V8 12/98 –> 16
S500 5.0 M113.966 / 220 Series V8 09/02 –> 16
S55 AMG 5.4 M113.986 / 220 Series V8 06/00 –> 09/02 16
SL280 2.8 M112.923 / 129 Series V6 06/98 –> 12
SL320 3.2 M112.943 / 129 Series V6 06/98 –> 12
SL350 3.7 M112.973 / 230 Series V6 03/03 –> 12
SL500 5.0 M113.961 / 129 Series V8 06/98 –> 16
SL500 5.0 M113.963 / 230 Series V8 03/02 –> 02/06 16
SL600 6.0 M120.983 / 129 Series V12 06/98 –> 04/01 12
SLK320 3.2 M112.947 / 170 Series V6 02/00 –> 12
VIANO 3.2 M112.951 11/03 –> 03/05 12
VIANO 3.7 M112.976 03/05 –> 12/08 12
 
VAUXHALL/OPEL
FRONTERA (B) 3.2 Y32NE / 24 VALVE 10/98 –> 12/04 6