1980 Mercedes-Benz E-Class (W123) OEM Factory Repair Manual
Delivered in 12–48 hours

Place your order and your manual will be in your account within 12–48 hours. You'll get an email the moment it's ready.

Mercedes-Benz

1980 Mercedes-Benz E-Class (W123) OEM Factory Repair Manual

$29.99 In Stock PDF
Delivered in 12–48 hours

Place your order and your manual will be in your account within 12–48 hours. You'll get an email the moment it's ready.

Complete OEM factory service manual for the 1980 Mercedes-Benz E-Class (W123). Every wiring diagram, torque spec, TSB, and diagnostic procedure — delivered as an indexed PDF within 12–48 hours.

What's Included

  • Engine & Drivetrain
  • Transmission
  • Electrical & Wiring Diagrams
  • Suspension & Steering
  • Brakes
  • Body & Chassis
  • HVAC & Climate
  • Diagnostic Trouble Codes
  • Technical Service Bulletins
  • Torque Specs & Fluid Capacities

Your Vehicle Information

You can also provide your VIN after checkout. It's located on your dashboard (driver side) or door jamb.

OEM Source
Stripe & PayPal
12–48 hours Delivery
Indexed PDF

The Mercedes-Benz E-Class W123 (1976–1985) is one of the most durable Mercedes chassis codes ever produced, offered with four-, five-, and six-cylinder gas and diesel engines. The 1980 Mercedes-Benz E-Class (W123) factory service manual documents the specific engine for this model year.

Classic Engine Service — Gas or Diesel

The W123's engine requires the correct oil specification and timing service documented in the factory manual for the specific engine, including diesel variants' fuel injection pump service — a maintenance item requiring precise procedures on mechanical diesel injection systems of this era.

What This E-Class (W123) Manual Covers

  • Gas or diesel engine — engine-specific service specs for this era
  • Automatic or manual transmission fluid specification and service
  • Complete electrical diagrams for all trim levels
Format PDF — indexed, hyperlinked
Documentation Type Factory-level OEM service documentation
Language English
Delivery 12–48 hours
VIN Required Yes — 17-character VIN
Make Mercedes-Benz

Sections Included

  • Engine & Drivetrain
  • Transmission
  • Electrical & Wiring Diagrams
  • Suspension & Steering
  • Brakes
  • Body & Chassis
  • HVAC & Climate
  • Diagnostic Trouble Codes
  • Technical Service Bulletins
  • Torque Specs & Fluid Capacities
How Delivery Works

Delivery takes 12–48 hours. Once your order is processed, your manual is uploaded to your account and you receive an email with the download link.

Yes. Once delivered, your manual stays in your account for 12 months and can be downloaded as many times as you need.

If we can't fulfil your order, we'll contact you within 24 hours. In most cases it's a simple data entry issue.

If we are unable to deliver your manual, you receive a full refund. See our Refund Policy for full details.

Yes. The PDF works in any standard PDF reader on desktop, tablet, or phone. Adobe Acrobat Reader (free) gives the best experience.

The Process

How It Works

From order to download in 4 steps.

01

Select Your Vehicle

Choose Year, Make, and Model. Enter your 17-character VIN to lock in your exact production build.

02

Place Your Order

Checkout securely with Stripe or PayPal. Order confirmation sent to your inbox immediately.

03

Download Your Manual

You get an email when ready — within 12–48 hours. Log in and download your PDF instantly.

Customer Reviews

What Mechanics & DIYers Say

★★★★★

Got the complete FSM for my 2019 F-150 5.0L. Every wiring diagram, every TSB. Way more complete than any Haynes or Chilton I've ever bought.

Marcus T.

Marcus T.

2019 Ford F-150

★★★★★

Needed the full factory wiring diagrams for a Silverado engine swap. Found everything I needed — connector pinouts, ground locations, all of it. Saved me two days of guesswork.

Derek H.

Derek H.

2021 Chevrolet Silverado 1500

★★★★★

I run a small shop. Having the actual OEM documentation instead of a third-party manual makes a real difference when diagnosing electrical issues. Will reorder for every vehicle.

Tony R.

Tony R.

2020 Toyota Tacoma

★★★★★

Downloaded the BMW E90 factory manual. The level of detail is insane — complete wiring harness schematics with pin assignments. Nothing else comes close.

James K.

James K.

2008 BMW 335i

★★★★★

Used it to do a full brake job on my Jeep. Had the exact torque specs, bleeding sequence, everything. Delivered fast, super easy to navigate.

Ryan M.

Ryan M.

2022 Jeep Wrangler

★★★★★

Got the complete FSM for my 2019 F-150 5.0L. Every wiring diagram, every TSB. Way more complete than any Haynes or Chilton I've ever bought.

Marcus T.

Marcus T.

2019 Ford F-150

★★★★★

Needed the full factory wiring diagrams for a Silverado engine swap. Found everything I needed — connector pinouts, ground locations, all of it. Saved me two days of guesswork.

Derek H.

Derek H.

2021 Chevrolet Silverado 1500

★★★★★

I run a small shop. Having the actual OEM documentation instead of a third-party manual makes a real difference when diagnosing electrical issues. Will reorder for every vehicle.

Tony R.

Tony R.

2020 Toyota Tacoma

★★★★★

Downloaded the BMW E90 factory manual. The level of detail is insane — complete wiring harness schematics with pin assignments. Nothing else comes close.

James K.

James K.

2008 BMW 335i

★★★★★

Used it to do a full brake job on my Jeep. Had the exact torque specs, bleeding sequence, everything. Delivered fast, super easy to navigate.

Ryan M.

Ryan M.

2022 Jeep Wrangler

★★★★★

Finally got the correct HVAC diagrams for my Audi. Spent weeks looking elsewhere. This had everything I needed in one PDF. Worth every penny.

Stefan V.

Stefan V.

2017 Audi A4

★★★★★

The wiring schematics for my Tacoma were spot on. Traced a parasitic drain in an afternoon. Dealership wanted $200 just for diagnostics.

Chris L.

Chris L.

2019 Toyota Tacoma

★★★★★

Got the transmission rebuild specs for my Dodge. Every clearance, every torque value. This is the real factory documentation, not a rewrite.

Mike D.

Mike D.

2018 Dodge Ram 1500

★★★★★

Running a restoration on a classic Honda. The factory docs are incredibly detailed. Arrived within 24 hours. Highly recommend.

David P.

David P.

2003 Honda Accord

★★★★★

Suspension geometry specs for my Genesis were perfect. Aligned it myself to factory spec. This manual paid for itself in one alignment job.

Kevin S.

Kevin S.

2021 Genesis G70

★★★★★

Finally got the correct HVAC diagrams for my Audi. Spent weeks looking elsewhere. This had everything I needed in one PDF. Worth every penny.

Stefan V.

Stefan V.

2017 Audi A4

★★★★★

The wiring schematics for my Tacoma were spot on. Traced a parasitic drain in an afternoon. Dealership wanted $200 just for diagnostics.

Chris L.

Chris L.

2019 Toyota Tacoma

★★★★★

Got the transmission rebuild specs for my Dodge. Every clearance, every torque value. This is the real factory documentation, not a rewrite.

Mike D.

Mike D.

2018 Dodge Ram 1500

★★★★★

Running a restoration on a classic Honda. The factory docs are incredibly detailed. Arrived within 24 hours. Highly recommend.

David P.

David P.

2003 Honda Accord

★★★★★

Suspension geometry specs for my Genesis were perfect. Aligned it myself to factory spec. This manual paid for itself in one alignment job.

Kevin S.

Kevin S.

2021 Genesis G70

Support

Have a Question?

Not sure if this is the right manual for your vehicle? Our team typically replies within a few hours.

Contact Us
Also Available

Related Manuals

Mercedes-Benz

1992 Mercedes-Benz E-Class (W124) OEM Factory Repair Manual

$29.99 Order Now

Mercedes-Benz

1986 Mercedes-Benz E-Class (W124) OEM Factory Repair Manual

$29.99 Order Now

Mercedes-Benz

1996 Mercedes-Benz E-Class (W124) OEM Factory Repair Manual

$29.99 Order Now
$29.99