pinging

So I've had this car for around 6 months, every time I give it some beans, particularly in enclosed spaces such as tunnels or roads with big walls either side, I get what sounds to me like engine 'pinging', a sort of marbles in a glass jar rattle. It's done this pretty much since I got it, no...

Hi folks I have a 06 cls350 pinging under load? Tried all fuels and changed the garage with no luck. . Any suggestions pls

Guys forgive my lack of experience but I have a 320cdi v6 e class, I drive it home from work the journey is about 4 miles, when I arrived home and I got out I heard a lot of like, hear realated pinging noises ,and the fan started as I walked away to cool the engine down. Is this normal? I had...

Hello, newbie here. Have a 1996 SL320 that normally behaves well but today there's a loud pinging alert sound that started after we'd been driving for 2-3 miles and continues whenever the key is at ignition stage 2, whether the engine is running or not. Recently the battery was completely...

My wheel bolts ping when on full lock left or right, never had it before and im quite puzzled. Its in the dealer so i will update what it is and if it can be solved - anyone had the pings ?