The gap for your 420 sel is .32... dont forget to use a good plug!
blaupunct
I had the same problem on my 420 SEL, you first have to remove the window wiper fluid container and after you can reach the screws for the battery after that it is simple.
Torque specs for WATER PUMP Mercedes 420 SEL are: 7.3 diesel and 15 to 18 foot pounds of torque
10w-40 as it says in the manual...10w-30 is second choice
answer
I would ask Google.
1295 kg if it has a 126 v8 engine
i would like to know the layout of the sunroof. thank you.
Check fuse box - fuse #14
it is easy if you remove the exhast so you can get to the starter bolts
Six quarts of oil when you change the oil filter also. purolator L24466 about 4 bucks at advance auto parts . Did mine today ARK