snowster007
Active Member
I have a 280E with 81k miles on the clock and full main dealer history since new... absolutely flawless.
One thing I've noticed is that some people use regular (91-94 RON) unleaded petrol in their 123 Mercs, but I have been using only "premium" (97-98 RON) fuel.
Should I be using a fuel additive as well, or will the high-RON unleaded be enough???
One thing I've noticed is that some people use regular (91-94 RON) unleaded petrol in their 123 Mercs, but I have been using only "premium" (97-98 RON) fuel.
Should I be using a fuel additive as well, or will the high-RON unleaded be enough???
