← All platforms
R230 Roadster
Mercedes-Benz SL · Roadster · 2001–2011
Folding hardtop SL including SL55 and SL65 AMG.
Production run
2001–2011
Engines covered
6
Avg. part price
—
19902026
Interactive systems map
Inspect the R230
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
Intake2
Transmission1
Documented issues per engine
4M112
4M113
4M272
4M273
0M275
4M156
Known weak points
What breaks on the R230
Head bolt / gasket leaksDiagnose →Intake manifold flapDiagnose →Camshaft adjuster magnetsDiagnose →Motor mountsDiagnose →Balance shaft gear wear (2004–2008)Diagnose →Intake manifold swirl flap failureDiagnose →Timing chain / idler gear wearDiagnose →Head bolt corrosion/stretchDiagnose →Camshaft and lifter wearDiagnose →
Guides & playbooks
R230 playbooks
Maintenance scheduleGive me a mileage-based maintenance schedule for a Mercedes-Benz SL R230, including the items the factory schedule skips.Buyer's inspectionI'm inspecting a used Mercedes-Benz SL R230. What exactly should I check, test drive and look for underneath?Build planPlan a staged performance build for a Mercedes-Benz SL R230 that stays reliable as a daily driver.Fault code lookupI have a fault code on my Mercedes-Benz SL R230. Walk me through what it means and how to confirm the cause.
Fits your R230
Parts & tools
Loading catalog…