Mercedes-Benz 300SDL Service & Repair Manual 1986–1987

Service and repair manuals for 2 model years of the Mercedes-Benz 300SDL, 1986 to 1987. Each manual is matched to one exact year — the specifications and procedure sequences are the ones Mercedes-Benz published for that year's engine and trim, not values carried across the whole production run.

Engines across the range: 3.0L I6 — 183 cu in, SOHC, turbocharged.

01 / Model yearsChoose your 300SDL year

YearPriceRecallsEnginesTrims
1987 $40.99 3.0L I6 Base Sedan 4-Door select
1986 $40.99 3.0L I6 Base Sedan 4-Door select

02 / InsideSample pages

From the 1987 300SDL manual.

1987 Mercedes-Benz 300SDL service manual page 11987 Mercedes-Benz 300SDL service manual page 21987 Mercedes-Benz 300SDL service manual page 31987 Mercedes-Benz 300SDL service manual page 41987 Mercedes-Benz 300SDL service manual page 5

03 / ContentsWhat the manual covers

  • Quick Lookups 69
  • General Information 1,458
  • Accessories & Equipment 79
  • Heating, Ventilation & A/C (HVAC) 203
  • Maintenance 125
  • Brakes 119
  • Restraints 52
  • Drivelines & Axles 22
  • Steering 41
  • Electrical 103
  • Suspension 40
  • Engine Mechanical 143
  • Transmission 102
  • Engine Performance 272

04 / Other yearsOther 300SDL years

1987 Mercedes-Benz 300SDL · $40.99 select →

Engines: 3.0L I6 — 183 cu in, SOHC, turbocharged. Trims: Base Sedan 4-Door.

No recalls on federal record for the 1987 300SDL.

1986 Mercedes-Benz 300SDL · $40.99 select →

Engines: 3.0L I6 — 183 cu in, SOHC, turbocharged. Trims: Base Sedan 4-Door.

No recalls on federal record for the 1986 300SDL.

05 / OwnershipOwn it — don't rent it

OptionWhat you payAfter a year
eManualStore 300SDL manual$40.99 onceStill yours
Per-vehicle online subscriptionfrom $29 / year, renewingPay again or lose access
Library membership services$33 / month, capped$396 spent, nothing kept
Professional shop databases$499–$2,388 / yearRenew or lose access

Competitor figures as published on their sites, August 2026.

FAQQuestions about the 300SDL manual

Which 300SDL years does this manual cover?

Every year from 1986 to 1987 — 2 separate manuals, one per model year. Pick your year in the selector; the manual you receive is matched to that exact year, engine and trim.

Is this the OEM Mercedes-Benz 300SDL manual or an aftermarket guide?

The OEM version. It carries the procedures, specifications, torque values and wiring diagrams Mercedes-Benz published for the 300SDL, organized by system — not a condensed aftermarket summary.

Does it include 300SDL wiring diagrams?

Yes. Full wiring diagrams are part of every 300SDL manual, alongside repair procedures, specifications and diagnostic information.

Why do some 300SDL years cost more?

Every 300SDL year is $40.99.

Is this a subscription?

No. One payment, and the manual is yours to keep — unlike per-vehicle subscriptions that renew every year.

How do I get the manual after purchase?

It is a digital manual — nothing ships. Access details arrive by email right after checkout, and you can use it on any device.

RelatedSame-era Mercedes-Benz manuals

By year: 1987 · 1986