Maintenance
R107 Power Steering: Fluid, Filter, Leaks and Pump
R107 power steering basics: fluid type, the filter in the reservoir, how to flush it, common leaks, pump noise and steering box leaks.
Guide hub
Maintenance guides – page 2
All guides
Maintenance
R107 Rear Subframe Mounts: Clunks and Wandering
How worn rear subframe mounts cause clunks and wandering on an R107, how to inspect them, and what replacing them involves.
Maintenance
R107 Differential: Fluid, Whine and Limited Slip
Which R107s have a limited-slip differential, which fluid to use, how to change it, and what a whine or leak means.
Maintenance
R107 Flex Disc and Driveshaft Center Bearing: Vibration Fix
How worn flex discs and the driveshaft center bearing cause vibration on an R107, how to inspect them, and what replacement involves.
Maintenance
Which Transmission Is in My R107? (722.0, 722.1, 722.3)
Which automatic or manual transmission each R107 model uses, how to identify yours, and how fluid service differs.
Maintenance
Why Does My 380SL or 560SL Start in Second Gear?
Why US 380SL and 560SL automatics often pull away in second gear, whether it is normal, and how to get first-gear starts.
Maintenance
R107 Transmission Shifts Hard or Late: Modulator and Bowden Cable
Why an R107 automatic shifts hard or late, and how to check the vacuum modulator, Bowden cable, kickdown and fluid before blaming the transmission.
Maintenance
R107 Water Pump Replacement
When an R107 water pump is failing, what else to replace at the same time, and how the job is done step by step.
Maintenance
R107 Radiator: Replacement and Upgrade Options
How to tell when an R107 radiator is failing, OEM vs aftermarket choices, aluminum vs copper-brass, and how to replace and bleed it.
Maintenance
R107 Air Filter: Which Filter and How to Change It
Which air filter an R107 uses, how to open the air cleaner housing, how often to change it, and whether performance filters make sense.