Spark Plug 2012 C600 Sport

Howdy from the Snowy SW USA. Anyone know for certain the spark plug number for the 2012 C600 Sport Please. My manual says:

NGK CR8EB Google says LMAR8D-J They are different as the NGK is shorter at the tip

 
Merry Christmas y'all. I found this plug gap spec. is it correct?
Spark plugs
Electrode gap of spark plug 0.8±0.1 mm
Lighting
Bulbs for the low-beam headlight H7 / 12 V / 55 W
Bulb for high-beam headlight H7 / 12 V / 55 W
Bulb for parking light W5W / 12 V / 5 W
with daytime running light OE LED
Bulbs for flashing turn indicators, front PY21W / 12 V / 21 W
with LED turn indicators OE LED
Bulbs for flashing turn indicators, rear RY10W / 12 V / 10 W
with LED turn indicators OE LED
Bulb for tail light/brake light LED
Bulb for number-plate light W5W / 12 V / 5 W
 
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