Mercedes-Benz , during its chrome-bumper era, could never be accused of making changes for change’s sake. Instead, it tended to make a careful plan and stick with it. The Ponton of 1953, the first modern, unitary-bodied Mercedes passenger car, was the genesis of a post-war concept that would carry the marque through to the ’70s. The ‘New Generation’ Mercedes-Benz W114/115 range was the marque’s bread-and-butter model for eight years ...