Mercedes-Benz has dropped the 1.8 litre diesel engine from its small CLA sedan range, replacing it with a larger 2.2 litre unit.
Outputs for the new engine remain unchanged, with both producing 100kW and 300Nm, but Mercedes promises better fuel economy and a more efficient design with the 2.2 litre diesel.
For Australia, all CLA 200 CDI models ordered from now will be equipped with the new engine. Pricing is expected to remain unchanged, with the current diesel starting at $50,400 in Australia.
Already available with platform-mate the GLA crossover, the larger engine sees fuel consumption significantly improved in the CLA.
Matched to Merc’s seven-speed DCT auto, fuel use falls from 4.7 (Australian cycle) to 4.0 l/100km (Euro cycle. Aus figures to be confirmed; in the local GLA, fuel use is listed at 4.3 l/100km.)
Mercedes says the larger engine’s fuel savings are thanks to an optimised belt drive system and vacuum pump, a cylinder head package with camshaft roller bearing and additional finishing, aluminum pistons with optimized assembly clearances and a low-friction ring package and optimized roller bearing for the Lanchester balancer shaft.
Peak torque with the new engine is available from 1400rpm, and Mercedes says the 100kW of power is available from 3200rpm - down from 3600rpm in the smaller engine.
The same engine upgrade will be made to the A-Class range later this year, with the 2.2 litre engine going into the A 200 CDI in place of the current 1.8 setup.
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