Internal oil consumption. External oil leakage from seals and gaskets.
You should expect to work on the engine as well as the tires. This maintance can help to other damages later.
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Not unless it hasn't been serviced or its been abused.
If the old plugs and wires were bad I would expect the engine to start and run better.
Some people have food cravings. Others have sleep problems.
In a warning letter to a subcontractor for poor performance, you should outline exactly what problems you have encountered. You should state what you expect the subcontractor to do to correct those problems. You should also state what your actions will be if the corrective action is not performed.
You should since it increases longevity just like changing engine oil does for the engine.
You should check the milage on a used Mercedes Benz. If the milage is really high, there may be some problems with the engine or other parts. If the milage is low then that is a good thing and there shouldn't be any problems with the engine.
My 16' box truck with a gas engine gets about 9 mpg
There are many things you should expect in a hotel room. You should expect a window, a bed, and a bathroom.
If your Samsung television is not faulty and operates as you expect it to, then you have no reason to exchange it.
give the car in the service