2018 Mercedes-Benz B180 (W246) — Repair Solution

1.6L M270.910 4cyl 16v DOHC VVT Turbo Direct Inj Petrol · Misfire / Misfire Codes · Engine

Mercedes-Benz B180 (W246) Misfire / Misfire Codes Engine Diagnostic Sequence Available

Vehicle Details

Make: Mercedes-Benz
Model: B180 (W246)
Year: 2018
Engine: 1.6L M270.910 4cyl 16v DOHC VVT Turbo Direct Inj Petrol
Kilometres: 101,879
Area: Engine
Category: Misfire / Misfire Codes

Customer Complaint

Running rough at idle.

Problem Summary

Engine had an intermittent rough idle and misfire that would improve at higher RPM. Fault codes for random misfire and cylinder 2 misfire returned after clearing. Ignition coil swapping did not move the fault. Investigation of service history identified spark plugs were overdue and still original, and replacing the spark plugs resolved the fault.

Diagnostic Sequence

The step-by-step diagnostic process used to identify this fault is available to TaT members.

Unlock with Free Trial

Fault Description

The detailed fault description and root cause analysis for this 2018 Mercedes-Benz B180 (W246) is available to TaT members.

Unlock with Free Trial

Verified Repair Solution

The confirmed repair procedure for this 2018 Mercedes-Benz B180 (W246) is available to TaT members. Includes the verified fix and technician tips.

Unlock with Free Trial

Quick Facts

CodeMERW218130
Vehicle2018 Mercedes-Benz B180 (W246)
Engine1.6L M270.910 4cyl 16v DOHC VVT Turbo Direct Inj Petrol
ComplaintVisible
Diag. SequenceMembers Only
SolutionMembers Only

Need the Full Fix?

Get the complete diagnostic sequence, verified solution, and technician tips.

Access the Full Repair Solutions Database

Unlock 6,127 verified repair solutions with complete diagnostic details, confirmed fixes, and technician tips.


© 2026 The Automotive Technician (TaT) — www.tat.net.au