What engine does the Mercedes-Benz CLK use?

[DelGianna]

Here are the specific details about the Mercedes-Benz CLK engine: 1. The 1.8L supercharged engine delivers 184 horsepower and a maximum torque of 250 Nm. This engine reaches its maximum power at 5500 rpm and its maximum torque between 2800 and 5000 rpm. It features multi-point fuel injection technology and uses an aluminum alloy cylinder head and block. 2. The 2.6L naturally aspirated engine produces 177 horsepower and a maximum torque of 240 Nm. This engine achieves its maximum torque at 4500 rpm and its maximum power at 5700 rpm. It also features multi-point fuel injection technology and uses an aluminum alloy cylinder head and block. 3. The 3.0L naturally aspirated engine generates 231 horsepower and a maximum torque of 300 Nm. This engine reaches its maximum torque between 2500 and 5000 rpm and its maximum power at 6000 rpm. It is equipped with multi-point fuel injection technology and uses an aluminum alloy cylinder head and block. 4. The 3.5L naturally aspirated engine delivers 272 horsepower and a maximum torque of 350 Nm. This engine achieves its maximum torque between 2400 and 5000 rpm and its maximum power at 6000 rpm. It also features multi-point fuel injection technology and uses an aluminum alloy cylinder head and block.

[VonSilas]

As a seasoned player who has driven old Mercedes for over a decade, the engine differences across CLK generations are quite significant. The first-gen W208 initially featured the 2.0L four-cylinder M111 and 2.4L V6 M112, later upgraded to the supercharged 1.8L M271. The second-gen W209 stepped up its game - base models used the M272 series 2.5L/3.0L V6, while the high-end CLK500 packed the 5.0L V8 M113. The top-tier CLK63 AMG directly stuffed in the 6.2L V8 M156 engine, whose exhaust note could literally give you goosebumps. The tuning community particularly favors the CLK55 AMG, as its supercharged M113 engine has enormous potential.

[BrooklynFitz]

Decades of experience working on dozens of CLKs in repair shops reveals: The first-generation CLK most commonly features the cast-iron block M111 four-cylinder engine—durable but noisy. After the 2003 facelift, the W209 generation came standard with all-aluminum engines, primarily the M272 V6 available in two versions: a 184-hp 2.5L and a 231-hp 3.0L. Crucial reminder for used car buyers: Pre-2006 M272 engines have a known balance shaft gear design flaw—always check maintenance records during inspection. The diesel-powered CLK270 CDI's OM647 inline-five turbo diesel is exceptionally robust, often exceeding 300,000 km without major overhauls.

[AnthonyRose]

Back when I was trained at the 4S dealership, I memorized the CLK engine code list: The entry-level CLK200 Kompressor used the M271 supercharged engine with 165 horsepower, which was sufficient but prone to bursting water pipes. The CLK350 came standard with the M272 V6 producing 272 horsepower. The performance versions had three tiers—the CLK500's M113 V8 delivered 306 horsepower, the CLK55 AMG's 5.4L supercharged V8 squeezed out 367 horsepower, and the ultimate CLK63 AMG's 6.2L V8 pushed straight to 481 horsepower. What tuning enthusiasts were most obsessed with was the limited-edition CLK DTM launched in 2003, whose supercharged V8 could crank out a whopping 582 horsepower!

[DelNicole]

At a classic car meet, I overheard German engineers discussing the unique engine layout of the CLK. The first generation moved the M112 V6 engine 12cm rearward to achieve 50:50 weight distribution, resulting in an exceptionally compact engine bay. The most legendary is the M120 V12 engine from the CLK GTR race version – though never used in production models, transplanting this engine into regular CLK600s is quite common in Europe. For common issues, pay special attention to the timing chain tensioner on the M273 series V8 – it must be replaced at 100,000 km, otherwise valve damage may occur.

[LeSienna]

Homework done when helping a car enthusiast find a CLK last year: The 98-02 models mainly featured a 1.8L supercharged four-cylinder and a 3.2L V6 naturally aspirated engine, with upgrades across the lineup after the 2003 facelift. The 2006 CLK280 is recommended, equipped with the M272 3.0L V6 for fuel efficiency and smoothness. A little-known fact—the CLK500 launched in 2003 actually used the M113 engine from the S500 but with a more aggressive tune. Europe also had a 2.7L diesel version with the five-cylinder OM647 engine, which was particularly fuel-efficient at just 6 liters per 100 km. For those into nostalgia, the final edition CLK63 AMG is a must-have, as the last naturally aspirated V8 is now a thing of the past.