What's wrong with my Mercedes?

Vacuum

126 Chassis Sedan Vacuum Door Lock Failure

Different from the 116 / 123 chassis and more difficult to troubleshoot

Vacuum

When troubleshooting your vacuum system you must know where the hoses and lines go

Vacuum

Pump mechanisms breaking apart and piston bolt failures

Vacuum

Common concern on 1980 to 1985 Mercedes Diesel 240D, 300D, 300CD, 300TD

Vacuum

Double check for damage and use a product to scare them away

Vacuum

Look for the cause in the drive mechanism

Vacuum

If the hoses are leaking or are not hooked up properly a number of problems could occur.