You will need a bench mount pressure release tester to do this yourself.
What's wrong with my Mercedes?
Fuel Delivery Problems
Major cause of sudden loss of power
A plugged filter inside your fuel tank can lead to hard starting and power loss
The sources of fuel leaks and procedures needed to repair them are many
Begin with the "back end" fuel delivery system first.
Lack of attention here will leave you stranded on the road!
Some will need to be "back flushed"
This is a very common problem on the 602 and 603 diesel engines
Learn how this works so well and how you can do it yourself
Common fuel leak problem but repair must be approached with care
How do you know if they are bad? If they have not been recently rebuilt they probably are!!!
Fuel Line and Transmission Cooler Line Leak Prevention
Must read info BEFORE you rebuild your injector nozzles
More common than you think and easy to fix with right tools
Find the source and fix immediately to avoid an engine fire!
How to make your own in a pinch
Already done filters, injectors, tuning and still want more power - there is one more thing you could do.
This one you definitely do not want to ignore!
Most owners forget about the fuel injectors - Cap, rotor, wires and plugs may not be enough
You need to look no further than the precision nozzles produced by Monark of Germany
You will be amazed how well this works!
Here are some things you should look out for!
The fuel from the injection pump can be shut off by following this tip:
Sometimes it can be something quite simple - other times not...
Applies to all 200D 220D 240D 300D 300CD 300TD 300SD 190D 300SDL 350SD and 350SDL
Depends a lot on the climate and how the car was stored but you should always begin with new fuel and filters
Very important for cars over 20 years old.