chain
it has a timing chain no need to change it
CHAIN
To replace the timing chain on the Mercedes Benz 2012 C220 Codi you need to refer to your user's manual.
308d
belt
how to reset ttiming chain on a 1996 mercedes benz c280
no chain no belt
The 129R with the 6 cylinder engine - the 300SL - has a timing chain. Please note also that Mercedes Benz makes a modified tensioner(s) to correct a problem with the chain rubbing on the cover.
how to change timing belt mercedes benz E200 1.8L 2008 model
The 2003 Mercedes-Benz S-Class has a V8 engine.
The 2003 Mercedes-Benz SL-Class has a V8 engine.
The 2003 Mercedes-Benz CL-Class has a V8 engine.