Common Problems with the
2015–2018 Mercedes-Benz GLC (X253)

We've identified 2 known issues that can affect the 2015–2018 Mercedes-Benz GLC (X253). 1 of these are serious faults that could be expensive to repair.

Known Issues

Serious

Moderate

Minor

The 2015–2018 period has 1 more issue than the Mercedes-Benz GLC (X253) average across all year periods.

All Known Issues

AdBlue System / Heater Failure

SeriousExhaust & Emissions

The AdBlue tank heater or pump frequently fails on diesel models, resulting in an engine management light and a countdown until the engine refuses to start.

Most affected: GLC 220 d, GLC 250 d

Estimated cost: £800–£1,500Affects: 2015–2022

Typical symptoms

•AdBlue warning light
•"No restart" countdown message

What to inspect before you buy

✓Check for evidence of AdBlue pump or tank replacement

Tyre Crabbing / Skipping (RHD Models)

ModerateSuspension & Chassis

Due to suspension geometry compromises for right-hand drive models, the front tyres can scrub, judder, or "crab" loudly on full lock, especially in cold or wet weather.

Most affected: 4MATIC models (pre-2018)

Estimated cost: £200–£400 (for all-season tyres)Affects: 2015–2018

Typical symptoms

•Loud thudding or skipping from front tyres on full lock
•Uneven front tyre wear

What to inspect before you buy

✓Perform a full-lock turn in a car park
✓Check if the car is fitted with Mercedes-recommended all-season tyres (which mitigate the issue)

Buying Tips for the 2015 Mercedes-Benz GLC (X253)

✓Perform a full-lock turn at low speed (e.g., parking) to check for tyre crabbing or skipping
✓Listen for squeaks from the interior trim and dashboard on rough roads
✓Check the AdBlue system on diesel models; "NO restart in XXX miles" warnings are common and expensive to fix

2019–2022 Mercedes-Benz GLC (X253)