my steering is stiff
I would check the power steering fluid level. If that is OK it might need a new pump.
... and check for severe alignment problems or really low tire pressure.... but probably pump related
Looking for a Used E-Class in your area?
CarGurus has 576 nationwide E-Class listings starting at $2,390.
Search Mercedes-Benz E-Class Questions
Mercedes-Benz E-Class Experts
Related Models For Sale
Used Cars For Sale