1992 Mercedes-Benz 300SL Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1992 Mercedes-Benz 300SL

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1992 Mercedes-Benz 300SL Problems

Hard/Soft Tops May Develop Problems Due to Age

As vehicles age, various problems may develop with the hard and soft tops. If problems are encountered, it would be recommended to have a technician familiar with these tops perform the diagnoses.

Engine Oil and Coolant Leaks Resulting in Fulid Intermix

Internal and External engine oil & coolant leaks can develop from the head gasket and/or timing cover gasket; these leaks should be repaired before the engine oil and coolant intermix which can result in severe engine damage.

High Usage Vehicles May Experience Ignition Lock and Tumbler Failures

On high usage vehicles, the ignition lock may become difficult to turn due to wear of the ignition lock and tumblers. Replacement of the ignition lock cylinder will generally be required to correct this concern.

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1992 Mercedes-Benz 300SL Questions

My 300SL has stalling problems at all speeds.This is dangerous. (1 answer)

The car also has hard start problems and spongy brakes.The stalling problem occurs most at high speed when decelerating.The car runs fine otherwise.It does not leak oil or any other fluids.

Where are the fuses located (2 answers)

my radio factory equipped no longer plays in radio mode only static (1 answer)

seems to not get antenna anymore ..any ideas

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1992 Mercedes-Benz 300SL Reviews

Rated
based on 1 customer reviews
I bought my 1992 300SL 5 months ago,May of 2016.and from the start while driving the car from CA to WA it had rough start problems.The brakes were spongy and even after having the master cylinder replaced and the entire brake system checked twice the brakes are still spongy.The factory radio failed long ago and I replaced it with an aftermarket unit.But the most chronic problem of all is high s...

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