1998 Mercedes S420 Service & Repair Manual • PN 119.981, first edition 1998

1998 Mercedes-Benz S420 Technical Specifications & Service Data

• Covers 1997–1998 Mercedes-Benz S420, S500, and CL500 models featuring 4.2L and 5.0L V8 engines (M119.9xx family)
• Official Mitchell publication (PN 119.981), 1998 edition
• Features 10 torque specification tables and 12 engine assembly diagrams
• Available as an instant download immediately after checkout
• Searchable OCR text layer lets you find precise values fast
• Formatted for standard US Letter and A4 printing

Engine Service and Identification

This publication outlines the factory-grade technical parameters required to approach repair work on the 1997–1998 Mercedes-Benz S420. You will find precise engine identification details, including VIN code applications and specific family designations. It catalogs essential mechanical data for camshaft timing, cylinder head procedures, and valve clearances. Dedicated sections break down the crankshaft, piston, and connecting rod assemblies alongside comprehensive cooling and oiling system diagrams. Always observe standard shop safety protocols and ensure the vehicle is securely supported before inspecting these heavy V8 drivetrains.

Technical Specifications Overview

The guide serves as a reliable reference for complex assembly specs and general repair data. Engine oil capacity for the 1998 S420 is listed at 8.0 liters. For the 119.98 engine, connecting rod bolt torque is specified at 30 Nm during the final stage. You can easily verify critical tolerances, such as the maximum cylinder head bolt length of 162.7 mm—a strict limit indicating mandatory replacement. Cooling system profiles feature precise electrical values, like the coolant temperature sensor resistance range (450–650 ohms at 85°C). The document also includes extensive hardware torque tables for suspension components and A/C-heater systems.