Mercedes-Benz SLC-Class Roadster · 3rd generation SLK / SLC

R172

The roadster that traded its K for a C.

Production: 2011–2020
Built: 95,977
Renamed: SLK → SLC (2016)
Body: 2-door roadster
Top model: SLC 43

In 2016, Mercedes-Benz retired the SLK name it had used since 1996, rebadging the roadster SLC to align with the rest of the passenger-car range — the car underneath was barely changed.

Launched for 2012 as the third-generation SLK, the R172 carried over the Vario folding hardtop concept one final time, wrapped in sharper, more aggressive styling and offered with four-cylinder, six-cylinder and — in the SLK 55 AMG — naturally aspirated V8 power.

The 2016 facelift brought the SLC name, a fresh nose inspired by the AMG GT, new four-cylinder engines across the line, and the twin-turbocharged SLC 43 in place of the V8; the roadster stayed in production through 2020, the last of the folding-hardtop SLK/SLC line.

R172 interior — A sportier, more driver-focused cabin than the R171 it replaced.

Every model.

10 distinct series across 2012–2020 — from the four-cylinder SLK 200 to the twin-turbo SLC 43, each identified by its chassis, engine and transmission numbers.

Modèle	Millésimes	Châssis	Moteur	Boîte	Total
SLC 250 d	2016–2020	172.404	651.980	725.018	inclus ci-dessus
SLK 250 CDI	2012–2015	172.403	651.980	711.670 · 722.908 · 725.011 · 725.014	17,990
SLC 180	2016–2020	172.431	274.910	725.008	inclus ci-dessus
SLC 200	2016–2020	172.434	274.920	725.008	inclus ci-dessus
SLC 300	2016–2020	172.438	274.920	725.008	inclus ci-dessus
SLK 200	2012–2015	172.448	271.861	711.655 · 722.997	54,671
SLK 250	2012–2015	172.447	271.861	711.653 · 722.997	23,316
SLC 43	2016–2020	172.466	276.822	725.018	inclus ci-dessus
SLK 350	2012–2015	172.457	276.956	722.906	inclus ci-dessus
SLK 55 AMG	2012–2015	172.475	152.980	722.909	inclus ci-dessus

* Le chiffre de production publié couvre toutes les séries de ce modèle ; la source ne le détaille pas davantage.

722.9x 7G-Tronic 7-speed automatic725x 9G-Tronic 9-speed automatic711x 6-speed manual

Sharper, more aggressive styling marked the third-generation SLK/SLC.

Year by year.

From the 2011 launch to the 2020 Final Edition — the changes that matter when dating an SLK or SLC, including the 2016 rename.

2012
- Third-generation SLK launches (European sales from March 2011): SLK 200, SLK 250 and SLK 350 BlueEFFICIENCY, with the panoramic Vario-roof and MAGIC SKY CONTROL smart glass as options.
- SLK 250 CDI introduced — the first diesel in an SLK (orders from September 2011).
- SLK 55 AMG on sale from January 2012: naturally aspirated M152 V8 with AMG cylinder management and SPEEDSHIFT PLUS 7G-Tronic.
2014
- AMG Sports package renamed AMG Line; minor revisions to standard equipment.
2016
- Mid-cycle refresh (presented December 2015, launched March 2016 for the SLK’s 20th anniversary): SLK renamed SLC, with an AMG GT-inspired nose.
- New four-cylinder line-up — SLC 180, SLC 200 and SLC 300; the diesel becomes the SLC 250 d; 9G-Tronic replaces 7G-Tronic.
- Twin-turbo SLC 43 replaces the V8 SLK 55 AMG as the range-topper.
2018
- SLC 43 output raised from 367 to 390 PS.
2020
- SLC 300 Final Edition closes out production — the last of the folding-hardtop SLK/SLC line, with no direct successor.

R172 rear three-quarter view — The 2016 facelift brought an AMG GT-inspired nose and the SLC name.

Four cylinders to a naturally aspirated V8.

Turbocharged fours, two very different V6s, the SLK 55 AMG’s naturally aspirated V8 — and the first diesel ever fitted to an SLK.

M271

I4 turbo

271.861 (SLK 200)1.8 L · 1,796 cc
184 PS
135 kW · 181 hp à 5,250 tr/min
250 N·m
184 lb·ft à 1,800 tr/min
271.861 (SLK 250)1.8 L · 1,796 cc
204 PS
150 kW · 201 hp à 5,500 tr/min
310 N·m
229 lb·ft à 2,000 tr/min

M274

I4 turbo

274.9101.6 L · 1,595 cc
156 PS
115 kW · 154 hp à 5,300 tr/min
250 N·m
184 lb·ft à 1,250 tr/min
274.920 (SLC 200)2.0 L · 1,991 cc
184 PS
135 kW · 181 hp à 5,250 tr/min
300 N·m
221 lb·ft à 1,200 tr/min
274.920 (SLC 300)2.0 L · 1,991 cc
245 PS
180 kW · 242 hp à 5,500 tr/min
370 N·m
273 lb·ft à 1,300 tr/min

M276

276.9563.5 L · 3,498 cc
306 PS
225 kW · 302 hp à 6,500 tr/min
370 N·m
273 lb·ft à 3,500 tr/min
276.822 (SLC 43 biturbo)3.0 L · 2,996 cc
367 PS
270 kW · 362 hp à 6,000 tr/min
520 N·m
384 lb·ft à 2,000 tr/min

M152

152.9805.5 L · 5,461 cc
422 PS
310 kW · 416 hp à 6,800 tr/min
540 N·m
398 lb·ft à 4,500 tr/min

OM651

I4 diesel

651.9802.1 L · 2,143 cc
204 PS
150 kW · 201 hp à 4,200 tr/min
500 N·m
369 lb·ft à 1,600 tr/min

Original brochures.

Factory sales literature for the SLK and SLC, exactly as it left the dealership — free to download as PDF.

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