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R172 Roadster

Mercedes-Benz SLK / SLC · Roadster · 2011–2020

Final SLK, renamed SLC in 2016.

Production run

2011–2020

Engines covered

4

Avg. part price

—

19902026

Interactive systems map

Inspect the R172

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

Engine3

Cooling1

Fuel1

Documented issues per engine

4

M271

4

M274

4

M276

0

M152

Known weak points

What breaks on the R172

Timing chain and tensioner (well-known)Diagnose →Balance shaft gear wear (2003–2008)Diagnose →Timing chain stretch on early unitsDiagnose →Water pumpDiagnose →Camshaft adjuster / magnet faultsDiagnose →Oil separatorDiagnose →

Guides & playbooks

R172 playbooks

Maintenance scheduleGive me a mileage-based maintenance schedule for a Mercedes-Benz SLK / SLC R172, including the items the factory schedule skips.Buyer's inspectionI'm inspecting a used Mercedes-Benz SLK / SLC R172. What exactly should I check, test drive and look for underneath?Build planPlan a staged performance build for a Mercedes-Benz SLK / SLC R172 that stays reliable as a daily driver.Fault code lookupI have a fault code on my Mercedes-Benz SLK / SLC R172. Walk me through what it means and how to confirm the cause.

Fits your R172

Parts & tools

Full catalog & export

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