← All platforms

R171 Roadster

Mercedes-Benz SLK · Roadster · 2004–2011

SLK55 AMG makes this generation the one to hunt.

Production run

2004–2011

Engines covered

3

Avg. part price

—

19902026

Interactive systems map

Inspect the R171

Tap a hotspot to inspect that system

Systems map

Where it goes wrong

Each numbered hotspot counts the documented failure points in that area. Select one to see the specifics for this chassis and engine.

Failure points by system

Engine2

Intake1

Transmission1

Documented issues per engine

4

M271

4

M272

4

M113

Known weak points

What breaks on the R171

Timing chain and tensioner (well-known)Diagnose →Balance shaft gear wear (2003–2008)Diagnose →Balance shaft gear wear (2004–2008)Diagnose →Intake manifold swirl flap failureDiagnose →Camshaft adjuster magnetsDiagnose →Motor mountsDiagnose →

Guides & playbooks

R171 playbooks

Maintenance scheduleGive me a mileage-based maintenance schedule for a Mercedes-Benz SLK R171, including the items the factory schedule skips.Buyer's inspectionI'm inspecting a used Mercedes-Benz SLK R171. What exactly should I check, test drive and look for underneath?Build planPlan a staged performance build for a Mercedes-Benz SLK R171 that stays reliable as a daily driver.Fault code lookupI have a fault code on my Mercedes-Benz SLK R171. Walk me through what it means and how to confirm the cause.

Fits your R171

Parts & tools

Full catalog & export

Loading catalog…