Fuel injection
R107 Fuel Pump: Location, Symptoms and Replacement
Where the R107 fuel pump lives, how a dying pump sounds, and what to replace with it.
Guide hub
Fuel injection guides – page 3
All guides
Fuel injection
450SL Hard to Start When Hot (Fix)
Hot-start problems on a 450SL are usually rest pressure — here is the order I test before buying parts.
Fuel injection
K-Jetronic on the R107: How It Works and How to Diagnose It
A practical K-Jetronic map for R107 owners — parts, pressures, and the faults that cause hot-start and idle misery.