CL500: Super Unleaded, 'Check Engine' light and MOT

Lexman8

Senior Member
Joined
May 14, 2013
Messages
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Location
Yorkshire, The French Alps & Quahog
Your Mercedes
CL500 (2001): Distronic, Bose, Keyless Go; Honda CR-V EX (2011)
I thought I'd try Shell V-Power Nitro instead of the usual supermarket unleaded. After about 300 miles the 'Check Engine' light came on and has stayed on since.

As it happens, its MOT is tomorrow so hopefully the Indy I go to will clear it. Apparently that light (and several others) is an automatic MOT fail now.

I was wondering if using V-Power now on a well-used engine could've caused the light to come on or whether it's just a coincidence?
 

television

Always remembered RIP
Joined
Mar 14, 2005
Messages
164,073
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341
Age
87
Location
Daventry
Your Mercedes
2002 SL500, 216 CL500, all fully loaded
I cannot see any connection at all,,you are wasting your money on super, the compression is just too low
 

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