I am looking into buying a second hand car from a reputable Mercedes-Benz dealer (not just some dodgy salesman by the side of a road lol....).
Anyway, there are a few maintenance/mechanical things which I want to check, but I don't quite understand how and I was wondering if you could help explain HOW I can go about physically checking these things when I go and visit Mercedes and have a look at their second hand cars. The things I want to check are as follows:
Yes I have read online that here in the UK the tyre must have at least 1.6 mm of tread depth across the central 3/4 of the tyre and across entire outer circumference. Great... but how do i physically check that? I read on some sites that there is a tool you can buy which can help you figure this out. But I haven't been able to find out what this tool is. Do you know what it is..... OR .... do you know of any techniques I can use to roughly figure out if the tyre is in good condition??
I was also looking into wheel alignment. So far the only thing I have found on this is that you can ONLY test this by taking the car for a test drive and testing to see if the car drives to one side when you let go of the wheel. Is this correct?? Is there anything else I can do to check if the alignment has gone?
I will be checking the oil, looking at the exhaust fumes and generally listening to the engine and seeing how smooth it is to drive. Some people online have stated that you should check the engine gasket and the cambelt for dry rotting.... but how an earth can I check those things at the dealership.. I would have to physically open the engine... which obviously won't be allowed. Are there any other types of physical checks I can realistically do when inspecting the car? Please be descriptive... I could really do with as much detail as is possible.
I know this is getting a bit off topic but I will try and keep it as mechanical orientated as I can.
In general how can I haggle over the price? The car I am looking at is a 2012/2013 Mercedes C180 Coupe and most of the prices I have seen online are around 17k (GBP) to about 20k (GBP). So lets say I find one for around 17/18k, could I offer the salesman 16k? Would that be considered rude? How much can I realistically lower the price?
Lets say the car needs 4 new tires or a new exhaust. Could I get the repair included in the deal?
I have searched a lot online BEFORE writing this question, so please consider keeping this question open. It is a genuine question with lots of mechanical/maintenance related detail.
Once again, I have read other posts online (even on this site) about what to check when buying a second hand car... but none of them go into detail about how to physically perform these checks.
Thanks for your time, Dan.