1986 Mercedes-Benz 300E Service Manual

1986–1988 Mercedes-Benz 300E and Variant Technical Scope

• Covers the 1986–1988 Mercedes-Benz 300E, including 260E, 300CE, and 300TE Wagon variants, detailing the 3.0L 6-cylinder gasoline engine and automatic climate control system
• Official Mitchell Repair Information Company publication, copyright 1998, with original manufacturer diagnostic data and inspection guidelines
• Contains 47 pages of technical specifications, vacuum diagrams, and system performance charts for the M103 engine and HVAC assembly
• Downloads to your account within seconds of checkout
• Re-download the file any time, no expiration
• OCR text layer lets you jump to a torque spec by keyword
• Laid out for standard letter and A4 printing
• This 1998 Mitchell OEM publication remains the standard reference for 1986–1988 300E engine performance, cooling, and automatic climate control system maintenance

Engine and Mechanical Documentation

This 1986 Mercedes-Benz 300E technical publication documents engine removal, cylinder head, and valve train assembly procedures. It provides specifications for engine identification, piston-to-cylinder tolerances, timing chain installation, and camshaft timing. The text details specialized tools, such as assembly fixtures and mandrels for valve guide installation. Readers will find torque values for connecting rod bolts, crankshaft damper bolts, and main bearing cap bolts presented in angle-tightening sequences. Engine oil pressure, crankcase capacities, and cooling system specifications are clearly defined to assist technicians with standard service intervals.

HVAC and Climate Control Systems

Climate Control and Diagnostic Data

The 1986 Mercedes-Benz 300E climate control section provides descriptions of the electronic control unit (ECU), temperature sensors, and heater valve operation. It includes vacuum diagrams for the 300E and 420/560 models, depicting switchover valve routing and vacuum actuator functions for dash air doors. The manual what an OEM service publication covers in relation to system diagnosis is highlighted through performance tables listing pressure readings and outlet temperature ranges. A/C system specifications, including R-12 capacity, compressor type, and belt deflection, are listed alongside detailed diagnostic procedures for testing the ETR switch and auxiliary fan operation. This professional-grade 84-page reference covers the 1986–1988 Mercedes-Benz 300E powertrain and HVAC systems, providing essential data for engine rebuilds and climate control troubleshooting.