You can find part numbers for your car and illustrated details of how assemblies go together.
Look for the First 6 digits of the Chassis Number which are HIGHLIGHTED after the car description.
This Link will take you to the appropriate page to look up Parts Diagrams and Part Numbers
SLK 350 Standard, North America, Japan SLK ROADSTER Car 171.456 M - Engine: 272.963 M272 E35
SLK 350 Standard, North America, Japan SLK ROADSTER Car 171.458 M - Engine: 272.969 M272 E35
SLK 55 AMG Standard, North America, Japan SLK ROADSTER Car 171.473 M - Engine: 113.989 M 113 E55
CLICK HERE TO GO TO 60+ LINKS TO OTHER SITES WITH SLK INFORMATION.
It contains comprehrensive information on a broad variety of topics related to your SLK.
I will be adding new information and sections as time progresses. I hope that this Site will be useful to you.