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The 560SL is the R107 most US shoppers eventually ask about: last of the line, biggest US V8, better rust protection than early cars, and the safety equipment people expect when they write larger checks. It is the premium roadster of the family — which means you pay more, and sellers sometimes charge 560 money for 380 problems wearing a 560 badge.
Pair this with US vs Euro horsepower, values, 380 vs 560, and the buying guide.
Years
US 560SL: 1986–1989. 1989 is the final year and often brings a premium when originality, mileage honesty, and options line up. Confirm the model year with the VIN; vanity plates lie.
Engine and fuel injection
The M117 5.6 V8 returns displacement and road manners many drivers want. US cars use the KE-Jetronic era setup — electronically assisted continuous injection — so idle and mixture diagnosis differs from older K-only 450s. Power ratings are lower than some European 500/560 brochure numbers because of emissions equipment; do not argue with a European magazine quote at a US PPI.
Chassis and corrosion
Mercedes improved corrosion protection in this era (galvanizing improvements are part of the sales pitch for late cars). That helps. It does not clear blocked cowl drains. I still pull blower covers and lift carpets on 560s. Salt and leaves do not read model years.
ABS, airbag, limited slip
- ABS: standard on these cars — the light should behave correctly at key-on and go out. A permanently lit ABS lamp needs diagnosis (sensors, hydraulic unit, OVP-related issues).
- Driver airbag: on later US cars — cluster light logic matters; do not ignore an airbag lamp.
- Limited-slip differential: common and desirable for wet roads; confirm if it matters to you.
What still breaks
Fuel age issues, climate vacuum systems, soft tops, window regulators, and electronics still appear. You buy fewer structural surprises on average than with a neglected early car — not zero surprises. Budget ownership like an R107, not like a three-year-old C-Class.
Values and the 1989 premium
560s lead US asking and sold prices among common R107 roadsters. Low-mile, well-documented 1989 cars sit at the top. Mileage alone is not virtue — a low-mile car that sat may need more fuel-system work than a driven 80k-mile example. See 560SL worth.
Buying tips
- Pay for metal, KE-Jetronic manners, and records — not only the badge
- ABS and airbag lamp behavior on the test
- Hot and cold starts
- PPI including fuel pressures if the shop can do CIS/KE
- Compare total cost vs a documented late 380 — sometimes the 380 wins on budget
Who the 560SL is for
Drivers who want the most usable US R107 package and will pay for it. If your budget is tighter, a sorted 450 or documented 380 can deliver the same smile with more wrenching homework.
