1986 Mercedes 560 SL Service Manual
1986 Mercedes 560 SL — Covers engine, fuel system, exhaust, and electrical systems
Mercedes Models Covered & Key Technical Specifications
Models: 1986 Mercedes-Benz 560 SL, 420SEL, 560SEL, 560SEC
Sub-models / Variants: 2-Door Coupe, Roadster
Model Years: 1986–1987
Serial Numbers: 92H26846
Technical Data:
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Engine: 4.2L V8 and 5.6L V8
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Engine identification codes: 116.965 (4.2L), 117.967 (560SL), 117.968 (560SEL/SEC)
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Compression ratio: 9.0:1
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Cylinder head bolt torque: 22 ft-lbs (30 Nm) initial, 43 ft-lbs (58 Nm) final
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Crankshaft pulley bolt torque: 295 ft-lbs (400 Nm)
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Connecting rod torque: 33 ft-lbs (45 Nm) plus 90-degree angle turn
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Main bearing torque: 37 ft-lbs (50 Nm) large bolts, 22 ft-lbs (30 Nm) small bolts
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Oil capacity: 8.5 quarts (8.0L) with filter change
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Oil pressure: 7 psi (0.5 kg/cm2) at idle, 43 psi (3.0 kg/cm2) at 3000 RPM
Mercedes Manual Features & Content Preview
1986 Mercedes-Benz 560 SL Factory Repair Manual: 117.967 Engine & SRS
- Original OEM publication from Mitchell Repair Information Company (1998 revision) covering the 117.967-series engine build.
- Instant digital download provides immediate access to high-resolution, exploded-view diagrams the moment your payment clears.
- 100-page factory reference featuring 3 detailed engine assembly diagrams, 1 cylinder head tightening sequence chart, and a comprehensive component locator.
- Essential technical specs for the 4.2L and 5.6L V8 engines, streamlining your workflow for major overhauls and baseline maintenance.
Component Scope and Engine Overhaul
This manual delivers uncompromising technical depth for professional technicians and dedicated DIY mechanics. It clearly outlines the exact specifications needed for complex tear-downs, from camshaft timing chain procedures to complete piston and rod assembly. You get direct access to the strict silicone-lapping requirements for aluminum cylinder bores, which is critical for preventing costly seizure issues during a rebuild. Instead of generic overviews, expect targeted data that speeds up intake, exhaust, and cylinder head servicing in your daily shop routine.
Essential Specifications and System Diagnostics
Precision is everything in the bay. That is why this document highlights exact torque values for connecting rod bolts, camshaft bracket bolts, and crankshaft pulleys. You will find critical baseline metrics, including the 0.0018–0.0033 inch main bearing clearance, exact hydraulic lifter valve settings, and the 8.0-liter coolant system capacity.
Because modern diagnostics demand strict safety protocols, the guide also covers the Supplemental Restraint System (SRS) in full detail. It identifies the energy accumulator, voltage converter, and slip ring assembly. Proper handling of these high-voltage air bag modules carries inherent physical risks; always prioritize safety, verify your training, and consult certified professionals before servicing or disabling these sensitive components.
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