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Mercedes-Benz GLK: engines, refresh and what to check when buying
Mercedes-Benz GLK — a compact crossover produced from 2008 to 2015 and later replaced by the GLC. We look at the engines, the 2012 refresh, trim levels, and what to check before buying a used GLK.
GLK in brief
The GLK is built on C-Class underpinnings and stands out with its boxy design, reminiscent of the G-Class. It's a compact yet spacious crossover that many choose for its comfortable ride, high-quality interior, and the Mercedes-Benz badge.
The GLK was the first compact Mercedes crossover suitable for both city driving and long journeys. Most models come with 4MATIC all-wheel drive, although rear-wheel-drive versions were also offered.
Which version to choose
Early GLK models (2008–2012) have simpler interiors and older engines. They are the cheapest on the used market, but their mileages are usually high.
After the 2012 refresh, the GLK received a new front end, LED tail lights, improved interior, and more efficient engines. If your budget allows, it's worth opting for the refreshed version.
Engines and transmissions
Diesel engines: 2.1 l (GLK 200 CDI, 220 CDI, 250 BlueTEC) with around 140–205 hp and 3.0 l V6 (GLK 320 CDI, later 350 CDI) with around 225–265 hp. Petrol: 3.0 and 3.5 l V6 (GLK 280, 350), and post-refresh — 1.8 and 2.0 l turbo (GLK 200, 250).
Most models come with a 7-speed automatic 7G-Tronic, although manual versions are available. The most popular in Lithuania is the diesel GLK 220 CDI 4MATIC.
What to check when buying a used GLK
First, check the service history and mileage. For diesel cars, pay attention to the diesel particulate filter (DPF), EGR valve, and in BlueTEC versions, the AdBlue system. Cold engine operation should be smooth, with no unusual noises.
Test the automatic transmission and 4MATIC system: shifts should be smooth, with no jerking. Ask if the gearbox oil has been changed.
Inspect the body for corrosion, especially around the sills and wheel arches. Test the electronics, air conditioning, and window controls. Be wary of cars with suspiciously low mileage.
Trim levels
Names and equipment vary by market and year; the Mercedes-Benz GLK typically differed by equipment packages.
Bazinė komplektacija
all versionsThe base version with standard equipment.
- Often 16–17 inch wheels
- Often — manual or basic air conditioning
- Core safety systems
BlueEFFICIENCY
all versionsA more economical version with fuel-saving measures.
- Often — start-stop system
- Often — more efficient engines
- Often — lower fuel consumption
AMG Sports paketas
all versionsSportier styling package.
- Often — AMG bumpers and spoilers
- Often — larger light-alloy wheels
- Often — sporty interior trim
Off-Road paketas
all versionsPackage with a distinctive, SUV-like appearance.
- Often — additional body protection
- Often — distinctive wheels
- Often — extra equipment
Comparison of equipment packages
| Bazinė | AMG Sports | Off-Road | |
|---|---|---|---|
| Who it suits | For practical use | For a sporty look | Typical SUV styling |
| Wheels (most often) | 16–17 inch | 18–19 inch | 17–18 col. |
| Appearance | Base | Sportier | Additional safety features |
| Price in the used market (relatively) | € | €€ | €€ |
For most buyers, the technical condition is more important than the trim level: it's better to choose a well-maintained car with 4MATIC and a diesel engine. AMG and Off-Road packages mainly change the appearance.
Pros
- High-quality interior and robust build
- All-wheel drive 4MATIC
- Comfortable seating and practical shape
- Renowned Mercedes-Benz brand
Cons
- Cars are already old and often have high mileage
- The boot isn't the largest in its class
- Maintenance of some parts can get pricey
Frequently asked questions
Which GLK engine is the most popular?
The 2.1-litre diesel is most commonly chosen, especially the GLK 220 CDI 4MATIC, as it's economical and powerful enough.
Does the GLK have four-wheel drive?
Most cars come with 4MATIC, but there were also rear-wheel-drive versions, so you'll need to check.
How does the GLK differ from the GLC?
The GLC is the successor to the GLK (from 2015 onwards) – it's more modern, with smoother lines, while the GLK stands out with its angular design and simpler tech.
Updated 2026-10-17 · Trim levels and equipment vary by market and model year — check the equipment of the specific car. · Translated automatically
