Mercedes U11a687 -

The oil filler cap is not a generic item found on a standard W201 chassis or even the standard 2.3-16 Cosworth models. It is distinct in its fitment and design.

The IBS communicates over a dedicated line (usually a single wire colored violet/yellow or brown/red). Rodent damage, chafing against metal bodywork, or a poor crimp at the connector can break the circuit. mercedes u11a687