Merc e250d, and 190d , 2.5 diesel

Merc e250, diesel, the om602, engine code, 5 cylinder good engine ,driving, but appears to be only first gear going forward, reverse fine, the Merc 199 d, 2.5, om 602 diesel 5 cylinder, good engine, clutch pedal stuck up, therefore can't be driven. Both cars same owner for over 20 years, and have been lying up, €2600 , for each, ( engine worth that alone) maybe suitable for export,