Mercedes-Benz

The short version

Mercedes-Benz is the core brand, and that matters when you are comparing models. The 190E, W124, C-Class, E-Class, S-Class, SL and CLK are all Mercedes in the plain sense, with a bias toward comfort, safety and long-distance ability rather than outright speed.

The range spans four decades of engineering, from the over-engineered W124 to the software-defined EQ cars. That breadth means the buying advice changes completely depending on which generation you are looking at.

The models that define the brand

The 190E was the compact car that widened the brand in the 1980s. The 2.3-16 and 2.5-16 were the homologation specials, with Cosworth-developed cylinder heads and a dogleg gearbox. They are now collector cars, and rust is the main enemy.

The W124 is the modern classic. Built from 1984 to 1997, it covered the 200 to 500E range and established a reputation for durability that later cars have struggled to match. The 500E was built with Porsche, and it is the most valuable of the standard cars.

The C-Class replaced the 190 in 1993 and has run through several generations. The W202 and W203 are affordable, the W204 is the strongest of the older cars, and the W205 added more technology. The E-Class follows the same pattern, from the W210 that replaced the W124 to the current W214, with the W211 and W212 offering the best balance of comfort and cost.

The S-Class is the technology flagship, and each generation introduces systems that later filter down. The W140 is the overbuilt one, the W220 brought air suspension and fragile electronics, the W221 and W222 added more computing, and the W223 is a screen-heavy car with rear-wheel steering. The SL is the roadster line, from the Pagoda and the R107 to the R129, R230 and R231. The R107 ran for 18 years and is now a usable classic, while the R129 added a modern chassis and a power roof.

The CLK was the coupe and convertible based on the C-Class. The first generation shared much of the W202 underneath, the second used the W203 platform, and both are now cheap routes into a two-door Mercedes with six-cylinder engines.

The EQ range is the electric future: the EQC, EQE and EQS use dedicated platforms and large batteries, and they depreciate quickly.

What it costs to own

A routine service on a modern C-Class or E-Class typically costs £300 to £700, and an S-Class is higher. Tyres are £500 to £900 a set, and brakes are £400 to £900 depending on the model.

Older cars are cheaper to service but more likely to need welding, suspension work and electrical repairs. Air suspension on the S-Class, SL and E-Class estates can run to four figures for a full set of struts, and a single strut can cost several hundred pounds before labour. A major service with all filters and fluids can add £300 to the bill, and the older V6 and V8 engines reward frequent oil changes.

Known weak points

• Rust: sills, wings, rear arches and subframes on 1990s and 2000s cars.
• M272 V6: balance shaft wear on earlier engines, which is an engine-out repair.
• Timing chains: wear on some V6 and V8 engines, especially with long service intervals.
• Air suspension: strut leaks, compressor wear and height sensor faults.
• Electronics: SAM units, wiring loom damage and complex module faults.
• SBC brakes: the electro-hydraulic system on some 2003 to 2011 cars needs regular attention.

What to check before buying

Inspect the body for rust before anything else. Check the sills, the jacking points, the rear arches and the boot floor. On a W124 or W210, look at the spring perches and the front wings.

Ask for the service history and check whether the M272 balance shaft has been addressed. On an S-Class or SL, cycle the suspension through its heights and listen for the compressor. On a car with SBC brakes, confirm the system has been serviced and that the warning messages are clear. A fault-code scan is worth more than a long test drive on these cars. Check the boot for water leaks around the rear screen, a common issue on the W210 and W203.

Market and depreciation

The 190E 2.5-16 and the W124 have been climbing, and clean cars are now expensive. The 500E and E500 are collector pieces. The SL has been firm, especially the R129 and the early Pagoda cars.

Modern AMG-adjacent models hold value better than the standard range, and the EQ cars have depreciated heavily. The C-Class and E-Class follow the normal executive car curve, and the CLK is now at the bottom of its market. Condition and history matter more than mileage on any of these cars, and a documented specialist service file is worth paying for.

Who it suits

Mercedes-Benz suits a buyer who wants comfort, safety and a sense of occasion on a long journey. It also suits a collector who values the 190E and W124. It does not suit someone who wants a simple car with cheap parts, especially on the modern S-Class and EQ models.

How this profile was compiled

This profile draws on Mercedes-Benz's published model information, owner reports from MBWorld, and current UK market listings. It is a buying guide, not a road test.