Mercedes-Benz GLC300 Service & Repair Manual 2016–2020

Service and repair manuals for 5 model years of the Mercedes-Benz GLC300, 2016 to 2020. 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: 2.0L I4 — 121 cu in, DOHC, turbocharged.

Federal safety record, all years: 14 recalls, 304 owner complaints and 319 technical service bulletins are logged for the GLC300. Refreshed 2026-08-21.

01 / Model yearsChoose your GLC300 year

YearPriceRecallsEnginesTrims
2020 $40.99 2.0L I4 Sport Sport Utility 4-Door · Base Sport Utility 4-Door · 4Matic Sport Utility Coupe 4-Door · Off-Road Sport Utility 4-Door +2 select
2019 $40.99 2.0L I4 Sport Sport Utility 4-Door · Base Sport Utility 4-Door · 4Matic Sport Utility Coupe 4-Door · Off-Road Sport Utility 4-Door +1 select
2018 $40.99 2.0L I4 Sport Sport Utility 4-Door · Base Sport Utility 4-Door · 4Matic Sport Utility Coupe 4-Door · Off-Road Sport Utility 4-Door +2 select
2017 $40.996 2.0L I4 Sport Sport Utility 4-Door · Base Sport Utility 4-Door · 4Matic Sport Utility Coupe 4-Door · Off-Road Sport Utility 4-Door +1 details →
2016 $40.998 2.0L I4 Sport Sport Utility 4-Door · Base Sport Utility 4-Door · 4Matic Sport Utility Coupe 4-Door · 4Matic Sport Utility 4-Door details →

02 / InsideSample pages

From the 2020 GLC300 manual.

2020 Mercedes-Benz GLC300 service manual page 12020 Mercedes-Benz GLC300 service manual page 22020 Mercedes-Benz GLC300 service manual page 32020 Mercedes-Benz GLC300 service manual page 42020 Mercedes-Benz GLC300 service manual page 52020 Mercedes-Benz GLC300 service manual page 6

03 / ContentsWhat the manual covers

  • Quick Lookups 55
  • Engine Performance 1,279
  • Accessories & Equipment 7,307
  • General Information 2,101
  • Body & Frame 1,935
  • Heating, Ventilation & A/C (HVAC) 334
  • Brakes 712
  • Hybrid/Electric Powertrain 198
  • Collision 581
  • Restraints 1,028
  • Drivelines & Axles 591
  • Steering 420
  • Electrical 4,055
  • Suspension 727
  • Engine Mechanical 1,390
  • Transmission 481
  • Common Specs & Procedures - 253

04 / Other yearsOther GLC300 years

2020 Mercedes-Benz GLC300 · $40.99 select →

Engines: 2.0L I4 — 121 cu in, DOHC, turbocharged. Trims: Sport Sport Utility 4-Door · Base Sport Utility 4-Door · 4Matic Sport Utility Coupe 4-Door · Off-Road Sport Utility 4-Door · Avantgarde Sport Utility 4-Door · 4Matic Sport Utility 4-Door.

No recalls on federal record for the 2020 GLC300.

2019 Mercedes-Benz GLC300 · $40.99 select →

Engines: 2.0L I4 — 121 cu in, DOHC, turbocharged. Trims: Sport Sport Utility 4-Door · Base Sport Utility 4-Door · 4Matic Sport Utility Coupe 4-Door · Off-Road Sport Utility 4-Door · 4Matic Sport Utility 4-Door.

No recalls on federal record for the 2019 GLC300.

2018 Mercedes-Benz GLC300 · $40.99 select →

Engines: 2.0L I4 — 121 cu in, DOHC, turbocharged. Trims: Sport Sport Utility 4-Door · Base Sport Utility 4-Door · 4Matic Sport Utility Coupe 4-Door · Off-Road Sport Utility 4-Door · Avantgarde Sport Utility 4-Door · 4Matic Sport Utility 4-Door.

No recalls on federal record for the 2018 GLC300.

05 / OwnershipOwn it — don't rent it

OptionWhat you payAfter a year
eManualStore GLC300 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 GLC300 manual

Which GLC300 years does this manual cover?

Every year from 2016 to 2020 — 5 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 GLC300 manual or an aftermarket guide?

The OEM version. It carries the procedures, specifications, torque values and wiring diagrams Mercedes-Benz published for the GLC300, organized by system — not a condensed aftermarket summary.

Does it include GLC300 wiring diagrams?

Yes. Full wiring diagrams are part of every GLC300 manual, alongside repair procedures, specifications and diagnostic information.

Does the manual cover GLC300 recalls?

14 recalls are on federal record across the 2016–2020 GLC300, listed by year below. The manual carries the manufacturer's diagnostic and repair procedures behind the systems involved; the recall repairs themselves are performed free by Mercedes-Benz dealers.

Why do some GLC300 years cost more?

Every GLC300 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: 2020 · 2019 · 2018 · 2017 · 2016