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Garage-tested PDF guides
Written by the BBP diagnostic and tuning team. Plain English, no filler, no made-up specs. Instant download that works on your phone in the garage.
The BBP Garage Bundle
All 8 guides in one download: W211 E500 DIY, ELM327 diagnostics, check engine codes, warning lights, repair costs, used-car checklist, maintenance log and the Broke-to-Booked sprint.
$19$76
Individual guides
Pick what you need
MercedesW211 E500 Owner's DIY & Common Faults Guide
SBC brakes and the 25-year warranty, Airmatic leaks, M113 oil leaks and balancer, 722.9 conductor plate codes, correct ATF and overflow check. 15 pages.
$14Get the PDF →
DiagnosticsMercedes & Domestic DIY Diagnostics With an ELM327
Which adapter to buy, CH340/FTDI drivers, the HS/MS-CAN switch, AlfaOBD and FORScan, command cheat sheet, and honest limits. 12 pages.
$12Get the PDF →
DiagnosticsCheck Engine Light Decoder: 75 OBD2 Codes
What the most common codes mean, likely causes, and whether it's safe to drive.
$9Get the PDF →
OwnersDashboard Warning Lights Guide
What each dash light means, how urgent it is, and what to do next.
$9Get the PDF →
OwnersDon't Get Ripped Off at the Mechanic
Typical repair price ranges, diesel extras, and word-for-word scripts for the service counter.
$9Get the PDF →
BuyersUsed Car Inspection Checklist
Inspect any used car like a pro before you hand over a dime.
$9Get the PDF →
OwnersCar Maintenance Schedule & Log
Printable schedule and service log so nothing gets missed.
$7Get the PDF →
BusinessBroke-to-Booked 48-Hour Cash Sprint
A 48-hour checklist for getting paying customers booked fast.
$7Get the PDF →BBP Quick Cards
Two screenshot-ready cards: 8 money-saving checks for the W211 E500, and the ELM327 quick start. Free on our Gumroad store.
Guides are general information, not a substitute for professional diagnosis or factory service information. Payments and downloads are handled securely by Gumroad. Need hands-on help instead? Request a quote.