Thankfully, it is possible to buy an affordable Mercedes Benz engine. All you have to do to find one is to spend some time doing research on the Internet, and looking at used and rebuilt Mercedes Benz engines as well as those that are new.
How to find an affordable Mercedes Benz engine online -- Start with a search using the keywords 'used Mercedes Benz engine'. This will pull up suppliers that sell used and rebuilt engines. Look for the specific engine you want on several sites and make a note of the cost.
Now do the same search but look for new Mercedes Benz engines. This will give you an idea of the cost of the same engine, but new.
Asking for help from other Mercedes Benz owners -- Once you know approximately how much you will have to pay depending on the engine you choose, it is now time to get help from other Mercedes Benz owners.
You will find these people in online chat rooms dedicated to Mercedes Benz owners or lovers. Here you will be able to ask questions about reliable Mercedes Benz parts dealers, the possibility of getting a reliable used mercedes engine instead of a new one, and which suppliers they recommend.
In some cases, you may find these Mercedes Benz owners know about online suppliers you have not been able to find yourself, as well as about suppliers whose prices are lower than those you have been able to find.