Is there a relay for the air suspension compressor on my car.
Congratulations you have air suspension! Most likely you have a leak somewhere which is why people convert older cars to standard suspension.
I checked for leaks, but found none. any other suggestions.
Check for leaks until you find it.
Looking for a Used S-Class in your area?
CarGurus has 6,263 nationwide S-Class listings starting at $2,000.
Search Mercedes-Benz S-Class Questions
Mercedes-Benz S-Class Experts